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NAT II Biological Science Quantitative MCQs With Answers

Question # 1

The value of (x + y)2- (x - y)2is?

Choose an answer

(x2 + y2

4xy

-4xy

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Question # 2

2x2y when multiplied with x2+ y2gives?

Choose an answer

2x3y3+ 2xy3

2x4y + 2x2y3

2xy2 + 2x2y

2xy3+ 2x3y

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Question # 3

What part of an hour elapses between 10: 45 a.m and 11:09 a.m?

Choose an answer

2/5

3/5

11/12

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Question # 4

If a man's weekly salary is$X and saves$Y. What part of his weekly salry does he spend?

Choose an answer

X/Y

X-Y/X

Y-X/X

x-y

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Question # 5

Successive discounts of 10% and 15% is equivalent to a single discount of

Choose an answer

24%

24.5%

23.5%

22%

25%

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Question # 6

In a school there are 400 students, of whom 70% are boys. What is the number of girls?

Choose an answer

120

200

280

2800

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Question # 7

The value of x2+ 5x + 6 at x = 2 is?

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Question # 8

3/4 of 432 = ?

Choose an answer

340

232

324

316

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Question # 9

David receives his allowance on Sunday. He spends 1/4 of his allowance on Monday and 2/3 of the remainder on Tuesday. What part of his allowance is left for the rest of the week?

Choose an answer

2/3

4/5

6/7

1/4

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Question # 10

If a2- b2and a - b = 12 then average of 'a' and 'b' is?

Choose an answer

3/2

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Question # 11

The ratio from 5 feet to 3 inches is

Choose an answer

3/5

5/3

3/60

1/20

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