21. The simple interest on a sum of ₹1500 at 7% per annum for 3 years is:
a) ₹300
b) ₹315
c) ₹325
d) ₹350
The correct answer is: B
22. A sum of ₹2400 is invested at 6% simple interest for 5 years. What is the total interest earned?
a) ₹500
b) ₹600
c) ₹700
d) ₹800
The correct answer is: B
23. A sum of ₹1000 is invested at 4% per annum simple interest for 5 years. What is the interest?
a) ₹180
b) ₹200
c) ₹220
d) ₹240
The correct answer is: B
24. The principal amount is ₹2000, the rate of interest is 8%, and the time is 3 years. What is the simple interest?
a) ₹300
b) ₹350
c) ₹480
d) ₹450
The correct answer is: C
25. The simple interest on ₹4000 at 10% per annum for 2 years is:
a) ₹600
b) ₹800
c) ₹900
d) ₹1000
The correct answer is: B
