The average of 8 numbers is 5.95. The average of two of them is 5.4, while the average of the other two is 5.86. the average of the remaining four numbe...
The average of ten numbers is A. If c is subtracted from each number except the tenth and (c-1) is subtracted from the tenth number, then what will be t...
When the average age of a husband and wife and their son was 44 years, the son got married and a child was born just one year after their marriage. When...
Average 20 numbers is ‘x’. If the average of first 12 numbers is 72.5 while average of last 5 numbers is 86.8 and 13th, 14th a...
In an exam of 100 marks, the average marks of a class of 38 students are 72. If the top 3 scorers of the class leave, the average score falls “dow...
Fifteen movie theatres average 600 customers per theatre per day. If six of the theatres close down but the total theatre attendance stays the same, the...
In a factory, the average salary of all employees is Rs. 5600 and the average salary of 24 supervisor is 7200. If the average salary of labours is 4800,...
The average age of A and B is 17 years. If A is to be replaced by C, the average would be 16 years. The average age of C and A is 18 years. Find the age...
Average run scored by a batsman in 18 innings is 60. In next 6 innings, he scored runs with an average of ‘x’ so that his overall average increases ...
Mr. X invested Rs. 640 in two schemes, A and B in the ratio of 7:3, respectively. Scheme A and B are offering simple interest at rate of 4% per annum an...
