Question
A man invested a certain amount of sum at 12.5% per
annum simple interest and earned an interest of Rs.2400 after 4 years. If the same amount is invested at 20% per annum compound interest, compounded annually for two years, then find the interest.Solution
Let the certain sum of money be Rs.P. So,  P x 0.125 x 4 = 2400 => P = Rs.4800 Desired interest = [(1.2)2 – 1] x 4800 = Rs.2112
Find the greatest number that will divide 115, 149 and 183 leaving remainders 3, 5, 7 respectively.
Two numbers are in the ratio 3:7. The product of their H.C.F. and L.C.M. is 2541. The sum of the numbers is:
If the product of two numbers is 144 and their HCF is 12, then find the LCM of the given two numbers.
The LCM of two numbers is 5 times their HCF. The sum of LCM and HCF is 180. If one of the numbers is 150, then the other number is
- Two numbers are in the ratio 5:12, and their least common multiple (LCM) is 1,440. Determine the sum of these two numbers.
The product of two positive integers is 3630. If their HCF is 11 and their sum is 143, then find the difference between the numbers.
Three bells ring at regular intervals of 28 seconds, 60 seconds, and 84 seconds, respectively. Over a span of 10 minutes, how many times will all three ...
What are the Highest Common Factor and Lowest Common Multiple of 6, 72, 120?
What is the HCF of  (x4  - x2  - 6)   and  (x4  - 4x2  + 3) ?
(a)Â x2 Â - 3Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â (b)...
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