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1
What is 5 × 13?
A.63
B.65
C.67
D.69
Explanation: 5 × 13 = 65.
2
The ratio of ages of P and Q is 2:3. After 12 years, it becomes 5:7. After how many years will it be 3:4?
A.6
B.8
C.10
D.15
3
The average of 15 numbers is 20. If the average of the first 10 is 18, what is the average of the last 5?
A.22
B.23
C.24
D.25
4
A number is increased by 20% and then decreased by 25%. If the final value is 180, what was the original number?
A.200
B.220
C.240
D.260
5
Two mixtures with ratios 2:3 and 4:1 are mixed. If the final ratio is 1:1, what is the ratio of quantities mixed?
A.1:1
B.2:3
C.3:2
D.5:4
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