# Mental Ability-Basic Arithmetic (NCO- Cyber Olympiad Class 2): Questions 273 - 281 of 338

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## Question number: 273

» Mental Ability » Basic Arithmetic

MCQ▾

### Question

Find the missing number

### Choices

Choice (4) Response

a.

1

b.

0

c.

10

d.

2

## Question number: 274

» Mental Ability » Basic Arithmetic

MCQ▾

### Question

Maria began her homework at 3: 30. She worked for 30 minutes. What time did she stop?

### Choices

Choice (4) Response

a.

4: 45

b.

4: 00

c.

5: 15

d.

5: 00

## Question number: 275

» Mental Ability » Basic Arithmetic

MCQ▾

### Question

Find the missing number

### Choices

Choice (4) Response

a.

25

b.

200

c.

100

d.

150

## Question number: 276

» Mental Ability » Basic Arithmetic

MCQ▾

### Choices

Choice (4) Response

a.

53

b.

28

c.

32

d.

58

## Question number: 277

» Mental Ability » Basic Arithmetic

MCQ▾

### Question

Start at 10. Count by 5 two times. Add 10. What number are you at?

### Choices

Choice (4) Response

a.

33

b.

20

c.

30

d.

35

## Question number: 278

» Mental Ability » Basic Arithmetic

MCQ▾

### Question

 input output 27 53 75 96 7 33 55

### Choices

Choice (4) Response

a.

76

b.

66

c.

46

d.

56

## Question number: 279

» Mental Ability » Basic Arithmetic

MCQ▾

### Question

Mother ordered 3 packets of chocolates. Each chocolates contained 10 chocolates. 4 chocolates were cracked. How many good chocolates were there?

### Choices

Choice (4) Response

a.

26

b.

27

c.

13

d.

23

## Question number: 280

» Mental Ability » Basic Arithmetic

MCQ▾

### Question

What is the missing number in the box?

### Choices

Choice (4) Response

a.

5

b.

3

c.

4

d.

2

## Question number: 281

» Mental Ability » Basic Arithmetic

MCQ▾

### Question

Start at 20. Count by 20 two times. Add 2. What number are you at?

### Choices

Choice (4) Response

a.

69

b.

60

c.

62

d.

63

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