# A sum of money amounts to 850 Rs. in 3 years and to 925 Rs. in 4 years at some rate of simple interest. The sum is :

A sum of money amounts to 850 Rs. in 3 years and to 925 Rs. in 4 years at some rate of simple interest. The sum is : [A]550 Rs. [B]600 Rs. [C]625 Rs. [D]700 Rs. Show Answer 625 Rs. Interest for 1 year= (925 – 850) = 75 Rs. ∴ If a sum becomes ..

# 800 Rs. becomes 956 Rs. in 3 years at certain rate of simple interest. If the rate of interest is increased by 4%, what amount will 800 Rs. Become in 3 years?

800 Rs. becomes 956 Rs. in 3 years at certain rate of simple interest. If the rate of interest is increased by 4%, what amount will 800 Rs. become in 3 years? [A]1020.80 Rs. [B]1025 Rs. [C]1050 Rs. [D]1052 Rs. Show Answer 1052 Rs. SI = 956 – 800 = 156 Rs. ∴ New rate ..

# A sum of money at some rate of simple interest amounts to 2900 Rs. in 8 years and to 3000 Rs. In 10 years. The rate of interest per annum is :

A sum of money at some rate of simple interest amounts to 2900 Rs. in 8 years and to 3000 Rs. in 10 years. The rate of interest per annum is : [A]2% [B]2.5% [C]3% [D]4% Show Answer 2% Principal + interest for 8 years = 2900 Rs…………(I) Principal + interest for 10 years = ..

# The population of a village decreases at the rate of 20% per annum. If its population 2 years ago was 10000, the present population is :

The population of a village decreases at the rate of 20% per annum. If its population 2 years ago was 10000, the present population is : [A]4600 [B]6000 [C]6400 [D]7600 Show Answer 6400 Present Population Hence option [C] is correct answer.

# In how many years will a sum of 3000 Rs. yield a simple interest of 1080 Rs. at 12% per annum ?

In how many years will a sum of 3000 Rs. yield a simple interest of 1080 Rs. at 12% per annum ? [A]2 years [B]2.5 years [C]3 years [D]3.5 years Show Answer 3 years Hence option [C] is correct answer.

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