# Mathematics [NSTSE (National Science Talent Search Exam- Unified Council) Class 7]: Questions 977 - 984 of 1128

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## Question 977

Edit

### Question

MCQ▾

The weight of a box is 30 kg. Ina hurry, it was weighed as 30.6 kg. Find the error percentage.

### Choices

Choice (4)Response

a.

6%

b.

3%

c.

4%

d.

2%

## Question 978

Mathematics
Edit

### Question

MCQ▾

When an arm of an angle is extended then the measure of angle

### Choices

Choice (4)Response

a.

Triples

b.

Remains the same

c.

Doubles

d.

None of the above

## Question 979

Edit

MCQ▾

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question 980

Edit

### Question

MCQ▾

The radius of a circle is 28 cm. Then the circumference of that circle is

### Choices

Choice (4)Response

a.

88 cm

b.

44 cm

c.

176 cm

d.

110 cm

## Question 981

Mathematics
Edit

### Question

MCQ▾

The given rational numbers are . If these numbers are arranged in the ascending order or descending order, then the middle number is

### Choices

Choice (4)Response

a.

b.

c.

d.

None of the above

## Question 982

Mathematics
Edit

### Question

MCQ▾

If each entry of a data is increased by 6, then the arithmetic mean

### Choices

Choice (4)Response

a.

Increases by 6

b.

Remains the same

c.

Decreases by 6

d.

Question does not provide sufficient data or is vague

## Question 983

Edit

### Question

MCQ▾

The area of a circle is 462 , then the diameter is

### Choices

Choice (4)Response

a.

28 cm

b.

12.12 cm

c.

24.24 cm

d.

48 cm

## Question 984

Edit

### Question

MCQ▾

Which of the following may lie outside or on the triangle?

(I) Circumcenter

(II) Centroid

(III) Orthocenter

(IV) Incenter

### Choices

Choice (4)Response

a.

(I) and (II)

b.

(I), (II) and (III)

c.

(I) and (III)

d.

None of the above