Quantitative Reasoning

Q: Ten years ago, P was half of Q in age. If the ratio of their present ages is 3:4, what will be the total of their present ages?

(a) :  45
(b) :  40
(c) :  35
(d) :  30
(e) :  non of these
Answer:  35
Explanation:  

Q: If 6 men can complete a work in 15 hours. Then 10 men, working on the same speed, will complete the same work in _________ hours.

(a) :  7
(b) :  8
(c) :  9
(d) :  10
(e) :  None of these
Answer:  9
Explanation:  

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