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1
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.
2
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.
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
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.
5
A product costs ₹38. What is 23% of its value?
A.82.4
B.85.4
C.87.4
D.90.4
Explanation: 23% of ₹38 = ₹87.4.
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