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There are 15 numbers such that average of first 12 numbers is 60 while the average of last five numbers is 75. Find the 12th number, if the ratio betwee...
Each question contains a statement followed by Quantity I and II. Read the information clearly and answer your questions accordingly.
Quan...
The average monthly fee of all 45 students in a class is Rs. 9,500. After an increment, the new monthly average fee of each student becomes Rs. (9500 + ...
In an examination, the average marks obtained by the students is 75. After correcting the quantitative mistakes, the average of 100 students is reduced ...
Of the four numbers, whose average is 75, the first is one-fourth of the sum of the last three. The first number is
The average of n numbers is 62. If each of 55% of the numbers is increased by 18 and each of the remaining numbers is decreased by 12, then the n...
The average number of balloons distributed among five kids is 9. If each kid received 1 balloon more than the kid before, then find the highest number o...
A bag contains 6 red, 10 yellow, and 14 black balls. If 2 balls are picked at random without replacement, find the probability that the first ball is re...
Average marks scored by Vineet in five subjects are 85. The average marks scored by him (excluding his highest and lowest marks) are 65 and lowest marks...