Question
If Shubham finds that he is fourteen from the left in a
line of boys and sixth from the right, how many boys should be added to the line such that there are 33 boys in the class?Solution
(13 boys) Shubham (5 boys) + (14 boys) = 33 boys
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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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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