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1
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.
2
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.
3
A train travels 360 km at a certain speed. If the speed is increased by 20 km/h, the journey takes 2 hours less. What is the original speed of the train?
A.40 km/h
B.45 km/h
C.60 km/h
D.72 km/h
Explanation: Let original speed be x. Using time difference equation: 360/x - 360/(x+20) = 2 gives x = 60 km/h.
4
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.
5
A product costs ₹54. What is 29% of its value?
A.151.6
B.154.6
C.156.6
D.159.6
Explanation: 29% of ₹54 = ₹156.6.
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