Question
Mr. Christian bought 75 shirts for Rs. 75 each. He sold
60 of them at a loss of 10%. He wants to gain 20% on the whole. Then find his gain percent on the remaining shirts?Solution
The average weight of 20 students is 27 kg. If two students weighing 19 kg and 47 kg are replaced by a teacher weighing 77 kg, what is the new average w...
The average age of X, Y, and Z is 25 years, and the average age of X and Y was 19.5 years at the time of Z's birth. If X is now 30 years old, determine ...
A team consists of a certain number of members. If 4 people with an average weight of 65 kg leave the team, the average weight of the remaining members ...
The average age of a group of 12 students is 32 years. Two persons of age 40 years and 31 years, left the group and 2 persons of age 54 years and...
The average mark obtained by 110 candidates in a certain examination is 45. If the average marks of passed candidates are 50 and that of the failed cand...
The average of two consecutive even numbers is 61. If the smaller number is increased by 18% and the larger number is decreased by 18%, then find the di...
In an examination, Aryan scored 54% marks and passed by 98 marks, while Rohit scored 35% marks and failed by 35 marks. Determine the passing marks for t...
How many identical spherical marbles having a diameter of 4 cm can be made by melting a hemisphere of radius 28 cm? (Use Ο = 22/...
The average weight of A, B and C is 45 kg. If the average weight of A and B be 40 kg andthat of B and C be 43 kg, then the weight of B is :
The average weight of βxβ group members is 56 kg. The average weight of (x β 18) women is 55 kg, of (x β 20) children is 50 kg, and of (x β 22...
