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The average age of the husband, wife, and their child 3 years ago was 24 years and that of the Wife and the child 5 years ago was 19 years. The present ...
Average age of company A is 25 years and average age of both companies A and B is 17 years. If the ratio of number of employees in company A and B is 3:...
There are three classes P, Q and R. The average marks of class P is 75. The average marks of class Q is 80. The averagemarksof class R is 85. The averag...
A frustum of a cone has radii of 5 cm and 3 cm, and a height of 8 cm. What is its volume?
Average run scored by a batsman in 20 innings is 60. In next 6 innings, he scored runs with an average of ‘x’ so that his overall average increases ...
The average age of a class of 20 girls is 14 years. If 5 new girls having average age of 9 years join the class, then the average age of the class becomes:
The average age of a class of 25 girls is 20 years. If 7 new girls having average age of 12 years join the class, then the average age of the class beco...
Average of 20 numbers is 90. Average of first 8 numbers is 125 while average of last nine numbers is 40. If ninth number is 25% less than the tenth numb...
Average marks scored by Vineet in five subjects are 85. The average marks scored by him (excluding his highest and lowest marks) are 70 and lowest marks...
The average wage of a group of 25 labourers is Rs. 470. If 4 persons receiving average wage of Rs. 350 leave the group and 2 persons receiving average w...
