01. Math Hacks #1: Multiplication Shortcut! By Ayman Sadiq [Admission]

Math

Arithmetic Hard 4

⏱ 10:00

- In a class of 160 seniors, the ratio of boys to girls is 3 to 5. In the junior class, the ratio of boys to girls is 3 to 2. When the two classes are combined, the ratio of boys to girls is 1 to 1. How many students are in the junior class?
- In a certain soccer league, each of the five teams plays every other team in the league exactly three times each season. How many games are played in total in one season?
- Pump A, working alone, can fill a tank in 3 hours, and pump B can fill the same tank in 2 hours. If the tank is empty to start and pump A is switched on for one hour, after which pump B is also switched on and the two work together, how many minutes will pump B have been working by the time the pool is filled?
- 1, 2, 6, 7, 9 A three-digit integer is to be formed from the digits listed above. If the first digit must be odd, either the second or the third digit must be 2, and no digit may be repeated, how many such integers are possible?
- If one pound of grain can feed five chickens or two pigs, then ten pounds of grain can feed 20 chickens and how many pigs?
- A student was given a piece of rope and told to cut it into two equal pieces, keep one piece, and pass the other piece to the next student. Each student was to repeat this process until every student in the class had exactly one piece of rope. Which of the following could be the fraction of the original rope that one of the students had?
- The average (arithmetic mean) of four different positive integers is 20. What is the greatest possible value of any of these integers?
- Theo wants to buy a sweater that is priced at $60.00 before tax. The store charges a 6% sales tax on all purchases. If he gives the cashier $70.00 for the sweater, how much should he receive in change?
- The first day of a particular month is a Tuesday. What day of the week will it be on the 31st day of the month?
- If y% of 50 is 32, then what is 200% of y?

02. Math Hacks #2: Multiplication Shortcut of 11 [Admission]

03. Math Hacks #3: Division Shortcut! By Ayman Sadiq [Admission]

04. Math Hacks #4: Squaring Shortcut! By Ayman Sadiq [Admission]

05. Math Hacks #5: Multiply with just Lines! By Ayman Sadiq [Admission]

06. Math Hacks #6: The Tricky Angles! By Ayman Sadiq [Admission]

07. Math Hacks #7: The 'All in One Formula' of Finding Areas! By Ayman Sadiq

08. Math Hacks #8: The Trick of Drawing Cirlces! By Ayman Sadiq [Admission]

09. Math Hacks #9 Summation of a Series by Ayman Sadiq [Admission]

10. Math Hacks #10: Pythagorean Triplets [Admission]

11. Math Hacks #12: Angle Between Clock Hands by Ayman Sadiq [Admission]

12. Math Hacks #13 Algebra! Solving The Impossible by Ayman Sadiq [Admission]

13. Math Hacks #14 The Mystery of Power & Exponents by Ayman Sadiq [Admission]

One Formula To Rule Them All! By Ayman Sadiq

#1 Divide the Quadrilateral! By Ayman Sadiq

#2 Divide the Circle! By Ayman Sadiq [Admission]

#3 How Many Squares Are There? By Ayman Sadiq [Admission]

#4 How Many Triangles Are There? By Ayman Sadiq [Admission]

#5 Find The Angle! By Ayman Sadiq [Admission]

#6 Find The Area! By Ayman Sadiq [Admission]

#7 Think Outside of The Box! By Ayman Sadiq [Admission]

#8 'Fibonacci' Series! By Ayman Sadiq [Admission]

09. Tricky Maths #9 by Ayman Sadiq [Admission]

10. Tricky Maths #10 by Ayman Sadiq [Admission]

Tricky Math: The Famous Matchstick Problem by Ayman Sadiq [Admission]

01. Math Shortcuts - Percentage (শতকরা) by Ayman Sadiq

02. Math Shortcuts - Division Shortcut (ভাগ) by Ayman Sadiq

03. Math Shortcuts - Percentage Shortcut 1 (শতকরা শর্টকাট ১) by Ayman Sadiq

04. Math Shortcuts - Percentage Shortcut 2 (শতকরা শর্টকাট ২) by Ayman Sadiq

05. Math Shortcuts - Inequality (অসমতা) by Ayman Sadiq

06. Math Shortcuts - L.C.M. (ল.সা.গু) by Ayman Sadiq

07. Math Shortcuts - Zero – Even or Odd? (শূন্য – জোড় না বিজোড়?) by Ayman Sadiq

08. Math Shortcuts - Facts About Zero (শূন্য নিয়ে যত কথা)

09. Math Shortcuts - Exception in Squaring (বর্গফলে ব্যাতিক্রম) by Ayman Sadiq

10. Math Shortcuts - Prime Numbers (মৌলিক সংখ্যা) by Ayman Sadiq

11. Math Shortcuts - Speed (গতি) by Ayman Sadiq

12. Math Shortcuts - Crossing Trains (চলমান ট্রেন) by Ayman Sadiq

13. Math Shortcuts - Boats and Tides (নৌকা ও স্রোত) by Ayman Sadiq

14. Math Shortcuts - Work and Time (কাজ ও সময়) by Ayman Sadiq

15. Math Shortcuts - Probability (সম্ভাব্যতা) by Ayman Sadiq

16. Math Shortcuts - Lines and Angles (রেখা ও কোন) by Ayman Sadiq

17. Math Shortcuts - Different Types of Angles (কোণ) by Ayman Sadiq

18. Math Shortcuts - Area (ক্ষেত্রফল) by Ayman Sadiq

19. Math Shortcuts - Tricky Math #1 (বিভ্রান্তিকর অংক #১) by Ayman Sadiq

20. Math Shortcuts - Tricky Math #2 (বিভ্রান্তিকর অংক #২) by Ayman Sadiq

1. Percentage [SSC | HSC | Admission]

2. Profit and Loss [SSC | HSC | Admission]

3. Unitary Method [SSC | HSC | Admission]

4. Interest [SSC | HSC | Admission]

5. Time and Distance [SSC | HSC | Admission]

6. Train [SSC | HSC | Admission]

7. Boats and Streams [SSC | HSC | Admission]

8. Permutation and Combination [SSC | HSC | Admission]

9. Mixture [SSC | HSC | Admission]

10. Probability [SSC | HSC | Admission]

11. Work Done [SSC | HSC | Admission]

12. Ratio Proportion [SSC | HSC | Admission]

13. Arithmetic Exercise - Easy 1 by Ayman Sadiq [SSC]

14. Arithmetic Exercise - Easy 2 by Ayman Sadiq [SSC]

15. Arithmetic Exercise - Easy 3 by Ayman Sadiq [SSC]

16. Arithmetic Exercise - Easy 4 by Ayman Sadiq [SSC]

17. Arithmetic Exercise - Easy 5 by Ayman Sadiq [SSC]

18. Arithmetic Exercise - Easy 6 by Ayman Sadiq [SSC]

19. Arithmetic Exercise - Easy 7 by Ayman Sadiq [SSC]

20. Arithmetic Exercise - Easy 8 by Ayman Sadiq [SSC]

21. Arithmetic Exercise - Easy 9 by Ayman Sadiq [SSC]

23. Arithmetic Exercise - Easy 11 by Ayman Sadiq [SSC]

24. Arithmetic Exercise - Easy 12 by Ayman Sadiq [SSC]

25. Arithmetic Exercise - Easy 13 by Ayman Sadiq [SSC]

26. Arithmetic Exercise - Easy 14 by Ayman Sadiq [SSC]

27. Arithmetic Exercise - Easy 15 by Ayman Sadiq [SSC]

28. Arithmetic Exercise - Easy 16 by Ayman Sadiq [SSC]

22. Arithmetic Exercise - Easy 10 by Ayman Sadiq [SSC]

01. The Number Tree by Ayman Sadiq [JSC | SSC | HSC | Admission]

02. Even and Odd by Ayman Sadiq [JSC | SSC | HSC | Admission]

03. Divisibility by Ayman Sadiq [JSC | SSC | HSC | Admission]

04. Prime Numbers by Ayman Sadiq [JSC | SSC | HSC | Admission]

05. Rounding Off by Ayman Sadiq [JSC | SSC | HSC | Admission]

06. Average (Part 1) by Ayman Sadiq [JSC | SSC | HSC | Admission]

07. Average (Part 2) by Ayman Sadiq [JSC | SSC | HSC | Admission]

08. Equation by Ayman Sadiq [JSC | SSC | HSC | Admission]

09. Inequalities by Ayman Sadiq [JSC | SSC | HSC | Admission]

10. Exponents by Ayman Sadiq [JSC | SSC | HSC | Admission]

11. LCM by Ayman Sadiq [JSC | SSC | HSC | Admission]

12. HCF by Ayman Sadiq [JSC | SSC | HSC | Admission]

13. Algebra Exercise - Easy 1 by Ayman Sadiq [Admission]

14. Algebra Exercise - Easy 2 by Ayman Sadiq [Admission]

15. Algebra Exercise - Easy 3 by Ayman Sadiq [Admission]

16. Algebra Exercise - Easy 4 by Ayman Sadiq [Admission]

17. Algebra Exercise - Easy 5 by Ayman Sadiq [Admission]

18. Algebra Exercise - Easy 6 by Ayman Sadiq [Admission]

19. Algebra Exercise - Easy 7 by Ayman Sadiq [Admission]

20. Algebra Exercise - Easy 8 by Ayman Sadiq [Admission]

21. Algebra Exercise - Easy 9 by Ayman Sadiq [Admission]

22. Algebra Exercise - Easy 10 by Ayman Sadiq [Admission]

23. Algebra Exercise - Easy 11 by Ayman Sadiq [Admission]

24. Algebra Exercise - Easy 12 by Ayman Sadiq [Admission]

25. Algebra Exercise - Easy 13 by Ayman Sadiq [Admission]

26. Algebra Exercise - Easy 14 by Ayman Sadiq [Admission]

01. Lines by Ayman Sadiq [Admission]

02. Angles by Ayman Sadiq [Admission]

03. Complementary and Supplementary Angles by Ayman Sadiq [Admission]

04. Alternate Angles, Corresponding Angles and Vertically Opposite Angles by Ayman Sadiq

05. Angles of Triangles by Ayman Sadiq [Admission]

06. Types of Triangles by Ayman Sadiq [Admission]

07. Pythagorean Theorem by Ayman Sadiq [Admission]

08. Pythagorean Triplets by Ayman Sadiq [Admission]

09. Ratio of sides of a 45-45-90 Triangle by Ayman Sadiq [Admission]

10. Ratio of sides of a 30-60-90 Triangle by Ayman Sadiq [Admission]

11. Sum of Angles of a Polygon by Ayman Sadiq [Admission]

12. Quadrilaterals by Ayman Sadiq [Admission]

13. 'All in one' formula of finding Area of Parallelograms by Ayman Sadiq

14. Perimeter of Quadrilaterals by Ayman Sadiq [Admission]

15. Area of Trapezium by Ayman Sadiq [Admission]

16. Circles by Ayman Sadiq [Admission]

17. Inscribed Angles of a Circle by Ayman Sadiq [Admission]

18. Chords by Ayman Sadiq [Admission]

19. বৃত্তের ক্ষেত্রফল (Area of a Circle) [Admission]

20. Cube by Ayman Sadiq [Admission]

21. Rectangular Solid by Ayman Sadiq [Admission]

22. সিলিন্ডের ও Cone (Cylinder and Cone) [Admission]

23. গোলক (Sphere) [Admission]

24. ঘড়ি (Clock) [Admission]

25. Combo Math [JSC | SSC | HSC | Admission]

26. Geometry Exercise - Easy 1 by Ayman Sadiq [Admission]

27. Geometry Exercise - Easy 2 by Ayman Sadiq [Admission]

28. Geometry Exercise - Easy 3 by Ayman Sadiq [Admission]

29. Geometry Exercise - Easy 4 by Ayman Sadiq [Admission]

30. Geometry Exercise - Easy 5 by Ayman Sadiq [Admission]

31. Geometry Exercise - Easy 6 by Ayman Sadiq [Admission]

32. Geometry Exercise - Easy 7 by Ayman Sadiq [Admission]

33. Geometry Exercise - Easy 8 by Ayman Sadiq [Admission]

34. Geometry Exercise - Easy 9 by Ayman Sadiq [Admission]

35. Geometry Exercise - Easy 10 by Ayman Sadiq [Admission]

36. Geometry Exercise - Easy 11 by Ayman Sadiq [Admission]

37. Geometry Exercise - Easy 12 by Ayman Sadiq [Admission]

38. Geometry Exercise - Easy 13 by Ayman Sadiq [Admission]

39. Geometry Exercise - Easy 14 by Ayman Sadiq [Admission]

40. Geometry Exercise - Easy 15 by Ayman Sadiq [Admission]

41. Geometry Exercise - Easy 16 by Ayman Sadiq [Admission]

42. Geometry Exercise - Easy 17 by Ayman Sadiq [Admission]

01. Math Hacks #1: Multiplication Shortcut! By Ayman Sadiq [Admission]

02. Math Hacks #2: Multiplication Shortcut of 11 [Admission]

03. Math Hacks #3: Division Shortcut! By Ayman Sadiq [Admission]

04. Math Hacks #4: Squaring Shortcut! By Ayman Sadiq [Admission]

05. Math Hacks #5: Multiply with just Lines! By Ayman Sadiq [Admission]

06. Math Hacks #6: The Tricky Angles! By Ayman Sadiq [Admission]

07. Math Hacks #7: The 'All in One Formula' of Finding Areas! By Ayman Sadiq

08. Math Hacks #8: The Trick of Drawing Cirlces! By Ayman Sadiq [Admission]

09. Math Hacks #9 Summation of a Series by Ayman Sadiq [Admission]

10. Math Hacks #10: Pythagorean Triplets [Admission]

11. Math Hacks #12: Angle Between Clock Hands by Ayman Sadiq [Admission]

12. Math Hacks #13 Algebra! Solving The Impossible by Ayman Sadiq [Admission]

13. Math Hacks #14 The Mystery of Power & Exponents by Ayman Sadiq [Admission]

#1 Divide the Quadrilateral! By Ayman Sadiq

#2 Divide the Circle! By Ayman Sadiq [Admission]

#3 How Many Squares Are There? By Ayman Sadiq [Admission]

#4 How Many Triangles Are There? By Ayman Sadiq [Admission]

#5 Find The Angle! By Ayman Sadiq [Admission]

#6 Find The Area! By Ayman Sadiq [Admission]

#7 Think Outside of The Box! By Ayman Sadiq [Admission]

#8 'Fibonacci' Series! By Ayman Sadiq [Admission]

09. Tricky Maths #9 by Ayman Sadiq [Admission]

10. Tricky Maths #10 by Ayman Sadiq [Admission]

Tricky Math: The Famous Matchstick Problem by Ayman Sadiq [Admission]

01. Math Shortcuts - Percentage (শতকরা) by Ayman Sadiq

02. Math Shortcuts - Division Shortcut (ভাগ) by Ayman Sadiq

03. Math Shortcuts - Percentage Shortcut 1 (শতকরা শর্টকাট ১) by Ayman Sadiq

04. Math Shortcuts - Percentage Shortcut 2 (শতকরা শর্টকাট ২) by Ayman Sadiq

05. Math Shortcuts - Inequality (অসমতা) by Ayman Sadiq

06. Math Shortcuts - L.C.M. (ল.সা.গু) by Ayman Sadiq

07. Math Shortcuts - Zero – Even or Odd? (শূন্য – জোড় না বিজোড়?) by Ayman Sadiq

08. Math Shortcuts - Facts About Zero (শূন্য নিয়ে যত কথা)

09. Math Shortcuts - Exception in Squaring (বর্গফলে ব্যাতিক্রম) by Ayman Sadiq

10. Math Shortcuts - Prime Numbers (মৌলিক সংখ্যা) by Ayman Sadiq

11. Math Shortcuts - Speed (গতি) by Ayman Sadiq

12. Math Shortcuts - Crossing Trains (চলমান ট্রেন) by Ayman Sadiq

13. Math Shortcuts - Boats and Tides (নৌকা ও স্রোত) by Ayman Sadiq

14. Math Shortcuts - Work and Time (কাজ ও সময়) by Ayman Sadiq

15. Math Shortcuts - Probability (সম্ভাব্যতা) by Ayman Sadiq

16. Math Shortcuts - Lines and Angles (রেখা ও কোন) by Ayman Sadiq

17. Math Shortcuts - Different Types of Angles (কোণ) by Ayman Sadiq

18. Math Shortcuts - Area (ক্ষেত্রফল) by Ayman Sadiq

19. Math Shortcuts - Tricky Math #1 (বিভ্রান্তিকর অংক #১) by Ayman Sadiq

20. Math Shortcuts - Tricky Math #2 (বিভ্রান্তিকর অংক #২) by Ayman Sadiq

২৭। অধ্যায় ২ঃ বীজগাণিতিক রাশিঃ গাণিতিক সমস্যাবলী পর্ব ১১ (Mathematical Problems – Part 11) [SSC]

২৮। অধ্যায় ২ঃ বীজগাণিতিক রাশিঃ প্রয়োজনীয় সূত্রসমূহ (Necessary Rules) [SSC]

২৯। অধ্যায় ২ঃ বীজগাণিতিক রাশিঃ মূলদ ভগ্নাংশ (Rational Fractions) [SSC]

৩০। অধ্যায় ২ঃ বীজগাণিতিক রাশিঃ গাণিতিক সমস্যাবলী পর্ব ১২ Mathematical Problems – Part 12

০৩৮। অধ্যায় ৩ঃ বীজগাণিতিক রাশিঃ বীজগাণিতিক রাশি কি? ( What is Algebraic Expression?) [SSC]

০৩৯। অধ্যায় ৩ঃ বীজগাণিতিক রাশিঃ বীজগাণিতিক সূত্র ১, ২ (Algebraic Formula 1, 2) [SSC]

০৪০। অধ্যায় ৩ঃ বীজগাণিতিক রাশিঃ অনুসিদ্ধান্ত ১-৪ (Corollary 1 to 4) [SSC]

০৪১। অধ্যায় ৩ঃ বীজগাণিতিক রাশিঃ অনুসিদ্ধান্ত ৫, ৬ (Corollary 5, 6) [SSC]

০৪২। অধ্যায় ৩ঃ বীজগাণিতিক রাশিঃ বীজগাণিতিক সূত্র ৩, ৪, ৫ ( Algebraic Formula 3, 4, 5 ) [SSC]

০৪৩। অধ্যায় ৩ঃ বীজগাণিতিক রাশিঃ অনুসিদ্ধান্ত ৭, ৮ (Corollary 7, 8 ) [SSC]