gate Exam Logical Reasoning Blood Relations

3+5+6=151872
5+5+6=253094
5+6+7=303585
5+5+3=251573
9+4+7=?

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gate Other Question

one % of the people of country x are taller than 6 ft. two % of the people of country y are taller than 6 ft .there are thrice as many as people in country x than y.taking voth countries together what is percentage of peple taller than 6 ft? A man can walk up a moving "up" escalator in 30s. The same man can walk down this moving "up" escalator in 90s. Assume that his walking speed is same upwards and downwards. How much time will he take to walk up the escalator, when it is not moving?
(a) 30s
(b) 45s
(c) 60s
(d) 90s