# NSTSE (National Science Talent Search Exam- Unified Council) Class 7: Questions 617 - 624 of 1732

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## Question number: 617

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MCQ▾

### Question

A positive number is by mistake divided by 5 instead of being multiplied by 5. What is the % error (approximately)?

### Choices

Choice (4) Response

a.

87%

b.

96%

c.

89%

d.

97%

## Question number: 618

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MCQ▾

### Question

To get the value of b, ________ is to be divided on either side of equation (method of elimination).

### Choices

Choice (4) Response

a.

0

b.

-5

c.

60

d.

7

## Question number: 619

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MCQ▾

### Question

In a parallelogram ABCD, diagonal AC measures 51 m and the perpendicular distance of AC from either of the vertices B and D is 24 m. Find the area of parallelogram.

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 620

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MCQ▾

### Question

Positive of a negative integer is

### Choices

Choice (4) Response

a.

Zero

b.

Negative

c.

Positive

d.

None of the above

## Question number: 621

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MCQ▾

### Question

The + ve integer whose product with -1 is

### Choices

Choice (4) Response

a.

0

b.

Positive

c.

Negative

d.

None of the above

## Question number: 622

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MCQ▾

### Question

A number P exceeds Q by 40%. By what percent is P more than Q?

### Choices

Choice (4) Response

a.

40%

b.

30%

c.

28.6%

d.

20.5%

## Question number: 623

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MCQ▾

### Question

Multiplication is distributed over ________ and ________ in integer.

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 624

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MCQ▾

### Question

The area of a triangular field is 3 hectares. If its altitude is 600 m, find the corresponding base.

### Choices

Choice (4) Response

a.

100 cm

b.

50 m

c.

100 m

d.

None of the above

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