NSTSE (National Science Talent Search Exam- Unified Council) Class 7: Questions 417 - 424 of 1732

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Question 417

Question

MCQ▾

Identity element w. r. t. subtraction in integers is

Choices

Choice (4)Response

a.

Does not exist

b.

- 1

c.

1

d.

0

Question 418

Question

MCQ▾

The solution of is

Choices

Choice (4)Response

a.

2

b.

5

c.

d.

1

Question 419

Question

MCQ▾

The difference between the length and breadth of a rectangle is 46 m. If the perimeter is m, then the area is

Choices

Choice (4)Response

a.

b.

c.

d.

Question 420

Question

MCQ▾

In a , D is any point on AB and meets AC at E. If AD = 3.5 cm, DB = 3 cm and AE = 2 cm then AC = ________.

A Triangle ABC in Which DE ∥ BC

Choices

Choice (4)Response

a.

6 cm

b.

3.7 cm

c.

6.5 cm

d.

4 cm

Question 421

Question

MCQ▾

Number of pairs of parallel lines in the given figure is

A Square That is Made by Four Lines

Choices

Choice (4)Response

a.

4

b.

1

c.

3

d.

2

Question 422

Question

MCQ▾

Simplify

Choices

Choice (4)Response

a.

b.

3

c.

1

d.

6

Question 423

Question

MCQ▾

A man purchased a bag of rice containing 50 kg for ₹ 150. He sold it at the rate of ₹ 3.25 per kg. Find the profit or less % .

Choices

Choice (4)Response

a.

gain

b.

12 % gain

c.

loss

d.

6 % loss

Question 424

Question

MCQ▾

If the radii of two concentric circles are 20 cm and 36 cm respectively, then the area of the circulating ring in sq cm will be

Choices

Choice (4)Response

a.

b.

c.

d.

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