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= {(78/4) + (15/6)} ÷ 2 - 6 = [{(78 × 3 + 15 × 2) ÷ 12} ÷ 2] – 6 = {(264/12) ÷ 2} – 6 = (22 ÷ 2) – 6 = 11 – 6 = 5
"In a group of four investors in stocks, the highest earner makes Rs. 5 lakh per month, while the lowest earner makes Rs. 2.4 lakh per month. Now, we wa...
Average weight of 12 nurses is 35 kg. If the weight of one more nurse is included, then average weight is increased by 2 kg. Find the weight of the newl...
The average of 8 consecutive odd numbers is 20. If the odd numbers immediately before and after this sequence of 8 odd numbers ar...
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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.
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If the average of 13 different numbers is 15, and if all the numbers are positive integers then what is the largest possible value of the average of the...
The average of 10 numbers is 21.8. The average of the last four numbers is 15. If the average of the first five numbers is 23, then what is the value of...
Average run scored by a batsman in first ‘x’ matches is 41. In next 12 matches he scored runs with an average of 61 so that his overall average incr...
Given a set of 25 numbers, the overall average is 60. The first 11 numbers in this set have an average of 48, while the last 15 numbers have an average ...