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%
Find the total number of Prime factor in the given expression?
315 × 56 × 68
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In a class, the ratio of number of boys to number of girls is 8:5. If 1 boy joined the class and 2 girls left the class, then the ratio becomes 7:4. Fin...
If 16 times a number is subtracted from the square of the number and then 64 is added to the result, then the result is zero. Find the L.C.M of the num...
Find the HCF and LCM of 24, 36 and 60.
Find the HCF of 240, 280 and 560.
The HCF of two numbers is 12 and their LCM is 720. If one of the numbers is 144, then what will be the other number?
