# Mathematics [NSTSE (National Science Talent Search Exam- Unified Council) Class 7]: Questions 515 - 521 of 1128

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## Question number: 515

Mathematics
Edit

### Question

MCQ▾

The figure having only two lines of symmetry in the following is ________.

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question number: 516

Mathematics
Edit

### Question

MCQ▾

Which of the following statements is true?

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question number: 517

Mathematics
Edit

### Question

MCQ▾

The weight (in kg) of 5 girls are 35,42,47,32 and 38. The median is

### Choices

Choice (4)Response

a.

42

b.

38

c.

47

d.

32

## Question number: 518

Edit

### Question

MCQ▾

By selling an umbrella for Rs. 60, a merchant gains 20%. During a clearance sale, the merchant allows a discount of 10 % on the marked price (the price at which he used to sell). Find his gain%.

### Choices

Choice (4)Response

a.

4%

b.

8%

c.

2%

d.

6%

## Question number: 519

Edit

MCQ▾

.

### Choices

Choice (4)Response

a.

35.72

b.

357.02

c.

3572

d.

35.072

## Question number: 520

Mathematics
Edit

### Question

MCQ▾

Which of the following statement is true?

### Choices

Choice (4)Response

a.

lies to the left of 0 on the number line

b.

lies to the right of 0 on the number line

c.

The rational number and are on opposite sides of 0 on the number line

d.

All a. , b. and c. are correct

## Question number: 521

Edit

### Question

MCQ▾

In a if , , then perimeter of the triangle is

### Choices

Choice (4)Response

a.

42 cm

b.

20 cm

c.

21 cm

d.

Question does not provide sufficient data or is vague