# Mathematics [NSTSE (National Science Talent Search Exam- Unified Council) Class 7]: Questions 871 - 879 of 1128

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## Question number: 871

» Mathematics » Algebraic Expressions

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MCQ▾

### Question

The product of and is

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question number: 872

» Mathematics » Algebraic Expressions

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MCQ▾

### Question

The length of a rectangle is 36 m and its area is 900 m. Then the breadth equals to

### Choices

Choice (4)Response

a.

900 m

b.

18 m

c.

25 m

d.

15 m

## Question number: 873

» Mathematics » Symmetry

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MCQ▾

The circle has

### Choices

Choice (4)Response

a.

Many lines of symmetry

b.

Three lines of symmetry

c.

Two lines of symmetry

d.

One line of symmetry

## Question number: 874

» Mathematics » Integers

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MCQ▾

### Question

Sum of two integers is + 84. If one of the integer is -56 then the other is

### Choices

Choice (4)Response

a.

+ 28

b.

- 28

c.

+ 140

d.

- 140

## Question number: 875

» Mathematics » Integers

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MCQ▾

### Choices

Choice (4)Response

a.

-3

b.

-13

c.

+3

d.

+13

## Question number: 876

» Mathematics » Comparing Quantities

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MCQ▾

### Question

A certain sum of money lent out at a certain rate of interest per annum, doubles itself in 10 years. In how many years will it treble itself?

### Choices

Choice (4)Response

a.

2 years

b.

5 years

c.

20 years

d.

10 years

## Question number: 877

» Mathematics » Lines and Angles

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MCQ▾

### Question

A line is parallel to the line is symbolically written as

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question number: 878

» Mathematics » Comparing Quantities

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MCQ▾

### Question

A single discount equal to a discount series of 5 % and 10 % is

### Choices

Choice (4)Response

a.

15%

b.

25%

c.

14.5%

d.

20%

## Question number: 879

» Mathematics » Algebraic Expressions

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MCQ▾

### Question

Ages of two friends are in the ratio 3: 2. If the sum of their ages is 75 then their ages are

### Choices

Choice (4)Response

a.

45 yrs, 30 yrs

b.

40 yrs, 35 yrs

c.

30 yrs, 35 yrs

d.

35 yrs, 40 yrs

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