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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 ₹59. What is 9% of its value?
A.48.1
B.51.1
C.53.1
D.56.1
Explanation: 9% of ₹59 = ₹53.1.
3
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.
4
A product costs ₹29. What is 14% of its value?
A.35.6
B.38.6
C.40.6
D.43.6
Explanation: 14% of ₹29 = ₹40.6.
5
A product costs ₹45. What is 15% of its value?
A.62.5
B.65.5
C.67.5
D.70.5
Explanation: 15% of ₹45 = ₹67.5.
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