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1
If the ratio of present ages of A and B is 5:7 and after 8 years the ratio becomes 7:9, what is A's present age?
A.20 years
B.25 years
C.30 years
D.35 years
Explanation: Let ages be 5x and 7x. Then (5x+8)/(7x+8)=7/9, giving x=5 and A=25 years.
2
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.
3
A product costs ₹41. What is 6% of its value?
A.19.6
B.22.6
C.24.6
D.27.6
Explanation: 6% of ₹41 = ₹24.6.
4
A product costs ₹36. What is 16% of its value?
A.52.6
B.55.6
C.57.6
D.60.6
Explanation: 16% of ₹36 = ₹57.6.
5
A product costs ₹44. What is 14% of its value?
A.56.6
B.59.6
C.61.6
D.64.6
Explanation: 14% of ₹44 = ₹61.6.
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