NTPC CBT- 2 MOST PROBABLE - CI AND SI QUIZ-8

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Question 1:

What is the Difference in total interest on Rs. 15000 at $12 \%$ per annum when given at CI for 3 yeas, interest compounded annually and when given at SI at same rate for same period?

Question 2:

If the amount received at the end of 2nd and 3rd year at compound interest compounded annually on a certain sum is Rs. 21000 and Rs. 22470 respectively then find the rate of interest (in %)?

Question 3:

A Sum at simple interest becomes two times in 5 years at a certain rate of interest p.a. The times in which the same sum will be six times at the same rate of interest as simple interest is:

Question 4:

What sum (in rupees) of money at compound interest will amount to Rs. $12,732.72$ in three years if the rate of interest is $5 \%$ for the first year, $4 \%$ for the second year and $6 \%$ for the third year?

Question 5:

The difference between the compound interest and the simple interest on a sum of Rs. 54,000 for 2 years at the rate of $7 \%$ p.a., is rupees:

Question 6:

A Sum at simple interest becomes two times in 7 years at a certain rate of interest p.a. The time (in years) in which the same sum will be eight times at the same rate of simple interest is:

Question 7:

A sum of money at rate of 10.5 %  p.a compounded annually, gives $11161.7625$ rupees as compound interest in 2 years. Find the sum. (in rupees)

Question 8:

What is the difference (in rupees) between simple interest and compound interest on a sum of rupees 3900 for 2 years at rate of $15 \%$ per annum?

Question 9:

What will be the compound interest on a sum of rupees 36520 in 2 years at rate of $12 \%$ per annum compounded annually? (in rupees)

Question 10:

A sum lent out at simple interest amounts to rupees 6810 in 1 year and Rs.10782.5 in $4 \frac{1}{2}$ years. Find the sum (in rupees)