# Mathematics-Addition and Subtraction (NSTSE (National Science Talent Search Exam- Unified Council) Class 3): Questions 81 - 87 of 251

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## Question number: 81

» Mathematics » Addition and Subtraction

MCQ▾

### Question

What is six hundreds plus twenty tens?

### Choices

Choice (4) Response

a.

602

b.

641

c.

620

d.

800

## Question number: 82

» Mathematics » Addition and Subtraction

MCQ▾

### Question

Kanu wanted to buy a ball that costs Rs. 15. She had Rs. 5. How much more does he need to buy the ball?

### Choices

Choice (4) Response

a.

Rs. 5

b.

Rs. 12

c.

Rs. 10

d.

Rs. 15

## Question number: 83

» Mathematics » Addition and Subtraction

MCQ▾

### Choices

Choice (4) Response

a.

20

b.

120

c.

196

d.

121

## Question number: 84

» Mathematics » Addition and Subtraction

MCQ▾

### Question

Numbers that go into the arrow below are changed to a different number using a rule.

Which of the following could be the rule the arrow uses?

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 85

» Mathematics » Addition and Subtraction

MCQ▾

is equal to:

### Choices

Choice (4) Response

a.

55

b.

77

c.

88

d.

89

## Question number: 86

» Mathematics » Addition and Subtraction

MCQ▾

### Question

a number machine takes any number put into it, adds 20, then subtracts 6, and then adds 6. If the number 18 is put into the machine, what number comes out?

### Choices

Choice (4) Response

a.

33

b.

38

c.

30

d.

32

## Question number: 87

» Mathematics » Addition and Subtraction

MCQ▾

### Question

Which digit should come in place of ’ ’so that the following addition is correct?

### Choices

Choice (4) Response

a.

7

b.

10

c.

4

d.

3

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