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1
A sum becomes ₹14,400 in 2 years and ₹17,280 in 3 years at compound interest. Find the rate of interest per annum.
A.10%
B.15%
C.20%
D.25%
Explanation: 17280/14400 = 1.2, so the annual growth factor is 1.2. Hence, rate = 20%.
2
A product costs ₹26. What is 11% of its value?
A.23.6
B.26.6
C.28.6
D.31.6
Explanation: 11% of ₹26 = ₹28.6.
3
A product costs ₹32. What is 17% of its value?
A.49.4
B.52.4
C.54.4
D.57.4
Explanation: 17% of ₹32 = ₹54.4.
4
A product costs ₹42. What is 17% of its value?
A.66.4
B.69.4
C.71.4
D.74.4
Explanation: 17% of ₹42 = ₹71.4.
5
A product costs ₹30. What is 20% of its value?
A.55.0
B.58.0
C.60.0
D.63.0
Explanation: 20% of ₹30 = ₹60.0.
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