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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 ₹44. What is 9% of its value?
A.34.6
B.37.6
C.39.6
D.42.6
Explanation: 9% of ₹44 = ₹39.6.
3
A product costs ₹26. What is 26% of its value?
A.62.6
B.65.6
C.67.6
D.70.6
Explanation: 26% of ₹26 = ₹67.6.
4
A product costs ₹21. What is 16% of its value?
A.28.6
B.31.6
C.33.6
D.36.6
Explanation: 16% of ₹21 = ₹33.6.
5
A product costs ₹31. What is 6% of its value?
A.13.6
B.16.6
C.18.6
D.21.6
Explanation: 6% of ₹31 = ₹18.6.
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