# Mental Ability-Basic Arithmetic (NCO- Cyber Olympiad Class 6): Questions 71 - 78 of 268

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## Question number: 71

» Mental Ability » Basic Arithmetic

MCQ▾

### Question

From 50 to 75, how many numbers are divisible by only 7?

### Choices

Choice (4) Response

a.

8

b.

3

c.

2

d.

5

## Question number: 72

» Mental Ability » Basic Arithmetic

MCQ▾

### Question

In a jungle, there are 34 elephants, 48 lions, 79 monkeys, 65 cheetahs. How many animals are in the Jungle?

### Choices

Choice (4) Response

a.

200

b.

226

c.

46

d.

176

## Question number: 73

» Mental Ability » Basic Arithmetic

MCQ▾

### Question

Students in Mr. Menon’s English class were giving speeches. Each student’s speech was 7 to 10 minutes long. Which of the following is the best estimate for the number of speeches that could be given in a 2-hours class?

### Choices

Choice (4) Response

a.

8 speeches

b.

13 speeches

c.

19 speeches

d.

4 speeches

## Question number: 74

» Mental Ability » Basic Arithmetic

MCQ▾

### Question

The LCM of two numbers is 504. Which of the following numbers cannot be possibly the HCF of these numbers?

### Choices

Choice (4) Response

a.

18

b.

42

c.

16

d.

36

## Question number: 75

» Mental Ability » Basic Arithmetic

MCQ▾

### Question

The product of two numbers is 4000. If the H. C. F. of the numbers is 20, then L. C. M. will be ________.

### Choices

Choice (4) Response

a.

20

b.

200

c.

10

d.

40

## Question number: 76

» Mental Ability » Basic Arithmetic

MCQ▾

### Question

The number that should replace the triangle so that the following forms a proportion is________.

16, 24, 26, ∆

### Choices

Choice (4) Response

a.

39

b.

37

c.

36

d.

40

## Question number: 77

» Mental Ability » Basic Arithmetic

MCQ▾

### Question

L. C. M. of 52 and 104 is ________.

### Choices

Choice (4) Response

a.

52

b.

78

c.

104

d.

39

## Question number: 78

» Mental Ability » Basic Arithmetic

MCQ▾

### Question

Saint Mary’s School’s students are going on a trip. Group 1 will have 23 passengers on the bus, while Group 2 will have 19 passengers and Group 3 will have 21 passengers on the bus. How many passengers will be on the bus from Saint Mary’s School?

### Choices

Choice (4) Response

a.

135

b.

72

c.

89

d.

63

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