# Mathematics-Playing With Numbers (NSTSE (National Science Talent Search Exam- Unified Council) Class 6): Questions 77 - 83 of 83

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## Question number: 77

» Mathematics » Playing With Numbers

MCQ▾

### Question

The factor of the number shown on the spike abacus is:

### Choices

Choice (4) Response

a.

7

b.

6

c.

8

d.

5

## Question number: 78

» Mathematics » Playing With Numbers

MCQ▾

### Question

Prime factors of 147 are

### Choices

Choice (4) Response

a.

b.

c.

d.

All of the above

## Question number: 79

» Mathematics » Playing With Numbers

MCQ▾

### Question

A number is always divisible by 45 if

### Choices

Choice (4) Response

a.

It is divisible by both 5 and 9

b.

It is divisible by both 4 and 45

c.

It is divisible by both 9 and 3

d.

All of the above

## Question number: 80

» Mathematics » Playing With Numbers

MCQ▾

### Question

The prime factors of 36 are

### Choices

Choice (4) Response

a.

2

b.

2

c.

2

d.

2

## Question number: 81

» Mathematics » Playing With Numbers

MCQ▾

### Question

The smallest number which when divided by 25,26,48 and 30 and leaves a remainder of 19,20,42 and 24 respectively is

### Choices

Choice (4) Response

a.

15596

b.

15549

c.

15594

d.

15555

## Question number: 82

» Mathematics » Playing With Numbers

MCQ▾

### Question

Find a number which is a multiple of all the numbers between 5 to 10?

### Choices

Choice (4) Response

a.

3022

b.

1260

c.

3024

d.

1140

## Question number: 83

» Mathematics » Playing With Numbers

MCQ▾

### Question

Every number is a________ of itself.

### Choices

Choice (4) Response

a.

Even

b.

Prime

c.

Factor,

d.

All of the above