Question
A took loan from a bank at the rate of 17%p.a. simple
interest. After 5 years he had to pay Rs.6800 interest only for the period. The principal amount borrowed by him was:Solution
Principal = Rs. [(100 × 6800)/(17 × 5)] = Rs. 8000
The average cost price of 25 pens (having equal cost price) decreased by Rs.4, when one of the pen is replaced by a new pen having cost price of Rs.60. ...
Average of five two-digit consecutive even natural numbers is (m + 9), and the average of five two-digit consecutive odd natural numbers is (n - 6). Whe...
The average weight of P and his three friends is 55 kg. If P is 4 kg more than the average weight of his three friends, what is P's weight (in kg)?
- Average of first 3 numbers is half the average of next 6 numbers. If the average of all 9 numbers is 15, find the sum of the last 6 numbers.
The average age of a group of 80 students is 14 years. If 3 students whose ages are 16 years, 22 years, and _____ years are replaced by 3 new students w...
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...
The average of two consecutive even numbers is 73. If the smaller number is increased by 40% and the larger number is decreased by 40%, then find the di...
The average of 10 numbers is 102. The average of the first 5 numbers is 78 and the average of the last 4 numbers is 46. What is the 6th number?
The average of 35 numbers is 50. If 5 is added to each number, then the new average will be:
There are three distinct numbers ‘u’, ‘v’ and ‘w’. If, u = 240, (u + v) = 540 and (w – v) = 60, then find the average of u, v and w.
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