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If the average of s number is r⁴ and the average r number is s⁴, then find the average of all r+ s numbers
Consider a group consisting of 16 females with an average age of 25 years and 20 males with an average age of 35 years. What is the approximate average ...
The average of five even numbers is 64. 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 age of a class of 20 girls is 16 years. If 4 new girls having average age of 10 years join the class, then the average age of the class beco...
A gift box has 10 bangles. The average weight of the first 4 bangles is 56gms and the average weight of the remaining 6 bangles is 57 gms. Tell the aver...
The average cost of three chairs is Rs.10000. The average cost decrease by 12% when one more chair is included. What is the cost price of the 4th
The average value of the property of Anil, Sunil, and Vinay is Rs. 90 lacs. The value of the property of Anil is Rs. 30 lacs less than the value of the ...
The average weight of 4 persons is 44 kg. The heaviest person’s weight is 30 kg more than the lightest person’s weight. If the average weight of the...
The average of the first 10 numbers is 'x+20', the average of the next 14 numbers is 'x', and the average of the remaining 16 numbers is 'x−30'. If th...
The batting average of 40 innings of a cricket player is 50 runs. His highest score exceeds his lowest by 172 runs. If the two are excluded, the average...
