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1
What is 19 × 7?
A.131
B.133
C.135
D.137
Explanation: 19 × 7 = 133.
2
The ratio of ages of P and Q is 2:5. If Q is 25 years old, how old is P?
A.10
B.12
C.15
D.20
3
What is 13 × 6?
A.76
B.78
C.80
D.82
Explanation: 13 × 6 = 78.
4
A number is increased by 10%, then by 20%, and then decreased by 25%. If the final value is 198, what was the original number?
A.200
B.210
C.220
D.230
5
The average of 10 numbers is 50. If 5 numbers have an average of 45, what is the average of the other 5?
A.50
B.55
C.60
D.65
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