Question
Ramesh is 18th from the right end in a row of
60 boys. What is his position from the left end?Solution
Number of boys towards the left of Ramesh = (60 – 18) = 42 So, Manish is 43th from the left end.
The average of three numbers is 66. When three more numbers are included, the average increases by 6. Find the average of the numbers included.
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There are three distinct numbers ‘p’, ‘q’ and ‘r’. If, p = 160, (p + q) = 460 and (r – q) = 80, then find the average of p, q and r.
...Average of first 4 numbers is 1.5 times the average of the next 2 numbers. If the average of all 6 numbers is 30, find the sum of the last 2 numbers.
A number is such that when it is multiplied by 4, it gives another number which is as much above from 180 as the original number (itself) is below 180. ...
The batting average for 27 innings of a cricket player is 48 runs. His highest score in an innings exceeds his lowest score by 157 runs. If these two in...
The average age of 10 men is increased by 2 years when two of them whose age are 24 and 26 years replaced by two new men. The average age of the two ne...
The average cost of 3 chairs is Rs. 9500. The average cost decrease by 15% when one more chair is included. What is the cost price of the 4th...
A class of 30 students appeared in a test. The average score of 12 students is 80, and that of the rest is 75. What is the average score of the class?
Average of four consecutive prime numbers R1, R2, R3, and R4 is (14 + x). If the average of R1 and R2 is (11 + x) and the average of R3 and R4 is (11 + ...
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