Numerical Ability [AFCAT (Air Force Common Admission Test) General]: Questions 7 - 12 of 156

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Question 7

Question MCQ▾

Two Trains each 66 m long run parallel to each other in the same direction. Their speeds are 50 kmph and 30 kmph respectively. In what time will A completely pass B?

Choices

Choice (4)Response

a.

b.

c.

d.

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Question 8

Question MCQ▾

The average of 6 observations is 12. If the observation is included, the average is reduced by 1. What will be the observation

Choices

Choice (4)Response

a.

4

b.

6

c.

7

d.

5

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Question 9

Question MCQ▾

Present age of X and Y are in the ratio respectively. Four years hence. The ratio of their ages will become respectively. What is the present age of Y

Choices

Choice (4)Response

a.

b.

c.

d.

Question does not provide sufficient data or is vague

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Question 10

Question MCQ▾

Zinc and copper are melted together in the ratio . What is the weight of the melted mixture, if has been consumed in it

Choices

Choice (4)Response

a.

b.

c.

d.

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Question 11

Question MCQ▾

A train length is running at the rate of . Find the time taken by the train to pass the man walking in the same direction as the train

Choices

Choice (4)Response

a.

4.5 sec

b.

2.5 sec

c.

6.5sec

d.

8 sec

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Question 12

Question MCQ▾

Ram can row in still water. If in a river running at . It takes him 60 minutes to row to place and back, how far is the place.

Choices

Choice (4)Response

a.

b.

c.

d.

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