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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 ₹22. What is 17% of its value?
A.32.4
B.35.4
C.37.4
D.40.4
Explanation: 17% of ₹22 = ₹37.4.
3
A product costs ₹59. What is 19% of its value?
A.107.1
B.110.1
C.112.1
D.115.1
Explanation: 19% of ₹59 = ₹112.1.
4
A product costs ₹21. What is 6% of its value?
A.7.6
B.10.6
C.12.6
D.15.6
Explanation: 6% of ₹21 = ₹12.6.
5
A product costs ₹30. What is 10% of its value?
A.25.0
B.28.0
C.30.0
D.33.0
Explanation: 10% of ₹30 = ₹30.0.
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