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The correct answer is C
If average of first 10 numbers is (n – 46) and the sum of remaining number is 1850. Find the value of ‘n’, if the average of 20 numbers is ‘n’...
A well with 42 m inside diameter is dug 14 m deep. Soil taken out of it has been evenly spread all around it to a width of 21 m to form an embankment. F...
The average cost of three chairs is Rs.16000. The average cost decrease by 20% when one more chair is included. What is the cost price of the 4th
The average weight of 8 persons is increased by 2.5 kg, when a person whose weight is 56 kg, is replaced by a new comer. Find the weight of new comer?
The average of 30 numbers was initially calculated as 45. However, it was later found that one of the numbers had been incorrectly recorded as 83 instea...
P, Q, R, S and T are five persons. The weight of P, Q and R is 80%, 102% and 84% respectively of the average weight of all five. The ratio of weight of ...
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 + ...
In a Company the average income of all the employees is Rs. 22000 per month. Recently the company announced an increment of Rs. 2000 per month for all t...