# NSTSE (National Science Talent Search Exam- Unified Council) Class 7: Questions 1052 - 1055 of 1732

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## Question number: 1052

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MCQ▾

### Choices

Choice (4)Response

a.

+120

b.

-31

c.

-120

d.

+31

## Question number: 1053

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MCQ▾

### Question

In the adjoining figure, ABC is a triangle in which D and E are the mid points of AB and AC respectively. If BC = 5.4 cm then DE = ________.

### Choices

Choice (4)Response

a.

10.8 cm

b.

2.7 cm

c.

5.5 cm

d.

4.5 cm

## Question number: 1054

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MCQ▾

.

### Choices

Choice (4)Response

a.

0.408

b.

408

c.

0.480

d.

0.048

## Question number: 1055

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MCQ▾

### Question

A grocer bought one quintal of rice at Rs. 25 per kg. He sold 50 kg of it at the rate of Rs. 30 per kg. At what rate per kg must he sell the remainder to gain 20 % on the whole?

### Choices

Choice (4)Response

a.

45 Rs.

b.

30 Rs.

c.

25 Rs.

d.

60 Rs.

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