Question
A certain sum of money trebles in 6 years by some rate
of simple interest. In how many years it will be five times?Solution
The correct answer is D
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In an Aerobic class, the average age of all the members was 54.5 years, 11 members left the class and 7 new members joined. If the average age increase...
There are three distinct numbers ‘m’, ‘n’ and ‘o’. If, m = 210, (m + n) = 510 and (o – n) = 60, then find the average of m, n and o.
...The average of two consecutive even numbers is 61. If the smaller number is increased by 18% and the larger number is decreased by 18%, then find the di...
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The average daily income of a daily wage worker, in the month of July is Rs. 120. If his average income on 1st 12 days of the month is Rs. 80 and on las...
The average of the first and second numbers is 20, while the average of the second and third numbers is 25. If the sum of the first and third numbers is...
The average of 7 consecutive numbers is 20. The largest of these numbers is
The average of the two numbers is 15, and the square root of their product is 12. What is the difference between the two numbers?
Out of 4 numbers, the average of first 3 is 19 and last 3 is 20. If the last number is 21. Find the first number?
