In a class of ‘x’ students, if a new student weighing 32 kg joins the class, then the average weight of the class increases by 1 kg. If the new student’s weight is 16 kg, then the average weight of the class decreases by 1 kg. Find ‘x’?
Akshay invested Rs. 2100 in two schemes P and Q in the respective ratio of 9:5. Scheme P and Q are offering simple interest at the rate of 8% per annum ...
Rs.5400 is divided into two parts such that if one part be invested at 6% and the other at 9%, the annual interest from both the investments is Rs. 435....
Karan had Rs. 10000 with him. He invested 50% of the sum at 9% p.a. and the rest at 12% p.a., both at simple interest for 2 years each. Find the total i...
The difference of S.I and C.I on an amount of Rs. 40000 for 2 years is Rs. 64. What is the rate of interest?
Mr. P invested Rs. ‘2x’ in scheme ‘A’ offering simple interest of 20% p.a. and reinvested the interest earned from scheme ‘A’ at the end of ...
If the ratio of the sum invested and simple interest received after 1 year is 25:11 respectively, then find the rate of interest.
Rama and Dipak each invested a sum of ₹8000 for a period of two years at 15% compound interest per annum. However, while for Rama the interest was com...
A sum of Rs. 3200 is invested at simple interest for 2 years. If the rate interest for first year is 12% p.a. while 20% p.a. for second year, then find ...
Rs. 2500 is invested in scheme ‘A’ for a year at simple interest of 25% p.a. The interest received from scheme ‘A’ is reinvested for 2 years in ...
Veeru invested Rs. 3100 at 20% p.a. simple interest for 3 years. After 3 years, he invested the amount received by him at the 20% p.a. compound interest...
