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√323.89 × (3.20) ÷ 9.02 =? ≈ 18 × 3 ÷ 9 ≈ 6
The average cost of 3 chairs is Rs. 10000. The average cost decrease by 22% when one more chair is included. What is the cost price of the 4th
The average runs of a bowler increased by 4 runs when he took 144 wickets in his 40th match. Find the average wickets taken by the bowler after 40 matches.
Average run scored by a batsman in first ‘x’ matches is 70. In next 12 matches he scored runs with an average of 90 so that his overa...
In a company, the average number of employees named Amit and Chinky is 25. The number of Chinky's name employees is 50% higher than the number of Amit's...
The average of five even numbers is 60. If we replace two of these even numbers, 84 and 92, with a single even number X, the new average decreases by 4....
The average of five even numbers is 62. If we replace two of these even numbers, 84 and 92, with a single even number X, the new average decreases by 4....
The average weight of a group of NN children is (N+1)(N + 1) kg. When a child weighing 36.5 kg leaves the group, the average weight decreases by 0.5 kg....
The average height of each person in group 'C' having 25 people is 10 cm less than the average height of each person in group 'D' having 20 people. If t...
Average of 8 numbers is 80. If average of first four and last two numbers is 90 and 60, respectively then find the fifth number given that ratio of fift...
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...
