Math

Arithmetic Easy 2

⏱ 10:00

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• The number 0.01 is how many times as great as the number (0.0001)2?
• The ratio of r to s is 3 to 4. The ratio of s to t is 2 to 9. What is the ratio of r to t ?
• If b = 4 and c = 7, what is the value of  3b − 5c?
• If an integer n is divisible by both 12 and 20, then it must also be divisible by
• Of the following, which is closest to ∛30?
• If the average of 5 consecutive integers is 12, what is the sum of the least and greatest of the 5 integers?
• In a mixture of raisins and dates, the ratio by weight of raisins to dates is 7 to 3. How many pounds of raisins will there be in 7 pounds of this mixture?
• 1, 2, 3, 1, 2, 3, 1, 2, … If the sequence above continues according to the pattern shown, what is the sum of the first 36 terms of the sequence?
• Three students have a total of 30 CDs among them. If one student has 40% of the CDs, and another has 33 1⁄3 % of the CDs, how many CDs does the third student have?
• The average (arithmetic mean) of Lubaba’s scores on three tests is 85. If she scored 90 on both of the first two tests, what was her score on the third test?
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