Mental Ability-Basic Arithmetic (NCO- Cyber Olympiad Class 7): Questions 16 - 24 of 122

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Question number: 16

» Mental Ability » Basic Arithmetic

MCQ▾

Question

300 liters of milk is divided in two parts having ratio X: 15, if the first part is 100 liters, find x.

Choices

Choice (4) Response
a.

5.3

b.

48

c.

7.5

d.

50

Question number: 17

» Mental Ability » Basic Arithmetic

MCQ▾

Question

A certain distance is covered at a certain speed. If half of this distance is covered in triple the time, the ratio of the two speeds is

Choices

Choice (4) Response
a.

6: 1

b.

1: 2

c.

1: 4

d.

2: 1

Question number: 18

» Mental Ability » Basic Arithmetic

MCQ▾

Question

H. C. F of 42, 63 and 140 is ________?

Choices

Choice (4) Response
a.

7

b.

42

c.

21

d.

9

Question number: 19

» Mental Ability » Basic Arithmetic

MCQ▾

Question

In an examination, one should get 36 % of the maximum marks to pass. A student obtains 113 marks and declared failed by 85 marks. The maximum marks are

Choices

Choice (4) Response
a.

640

b.

500

c.

550

d.

1008

Question number: 20

» Mental Ability » Basic Arithmetic

MCQ▾

Question

Which of the following is in ascending order?

Choices

Choice (4) Response
a.

57 , 911 , 78

b.

911 , 78 , 57

c.

78 , 57 , 911

d. All of the above

Question number: 21

» Mental Ability » Basic Arithmetic

MCQ▾

Question

A number divided by 2 is 5 less than that number, what is the number?

Choices

Choice (4) Response
a.

10

b.

5

c.

2

d.

15

Question number: 22

» Mental Ability » Basic Arithmetic

MCQ▾

Question

If 4n = 32, then n=?

Choices

Choice (4) Response
a.

4

b.

5

c.

8

d.

2

Question number: 23

» Mental Ability » Basic Arithmetic

MCQ▾

Question

If ( xy ) = ( 12 ), then ((2xy)(2x+y)) =?

Choices

Choice (4) Response
a.

0

b.

4

c.

14

d.

13

Question number: 24

» Mental Ability » Basic Arithmetic

MCQ▾

Question

The average of 5 results is 46 and that of the first four is 45. The fifth result is ________.

Choices

Choice (4) Response
a.

12.5

b.

10

c.

1

d.

50

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