Question
A sum is invested at a certain rate (p.a.) of compound
interest (compounded annually). The interest earned after 1st year and after 2 years of investment is Rs. 2,500 and Rs. 2,875. Find the rate of interest per annum.Solution
ATQ,
Interest received in 2nd year = 2875 - 2500 = Rs. 375, which is equal to
interest earned on Rs. 2,500.
Rate of interest = (375/2500) × 100 = 15%
If the numerator of a fraction is increased by 25% and the denominator is decreased by 10%, the value of the new fraction 25/24, Find the original faction.
2.666 …+ 2.77… in fraction form is:
If the sum of 60% of a fractional number and the number's square root is 5 greater than one fifth of the number, then the number is
Numerator of a fraction is 4 less than the denominator. If 6 and 7 are added to numerator and denominator of a fraction respectively, then fraction beco...
Which of the following fractions is the largest?
The top part (numerator) of a fraction is 4 more than three times the bottom part (denominator). If we reduce the numerator by 15 and increase the denom...
- The product of two decimals is 0.675. If one of the decimals is 2.5, then find the other decimal.