Mental Ability (NCO- Cyber Olympiad Class 7): Questions 27 - 31 of 205

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Question number: 27

» Mental Ability » Basic Arithmetic

MCQ▾

Question

If ( ab ) = ( 43 ), then ((3a+2b)(3a2b)) =?

Choices

Choice (4) Response
a.

6

b.

8

c.

5

d.

3

Question number: 28

» 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: 29

» 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: 30

» Mental Ability » Basic Statistics

MCQ▾

Question

What is the correct diagram for: School, student, teacher

Choices

Choice (4) Response
a.
Represents the Venndiagram of school, student&teacher –choice A

Represents the Venndiagram of School, Student&Teacher –Choice A

Find out the diagram that represents the best relationship between school, student and teacher

b.
Represents the Venndiagram of school, student&teacher –choice B

Represents the Venndiagram of School, Student&Teacher –Choice B

Find out the diagram that represents the best relationship between school, student and teacher

c.
Represents the Venndiagram of school, student&teacher –choice C

Represents the Venndiagram of School, Student&Teacher –Choice C

Find out the diagram that represents the best relationship between school, student and teacher

d.
Represents the Venndiagram of school, student&teacher –choice D

Represents the Venndiagram of School, Student&Teacher –Choice D

Find out the diagram that represents the best relationship between school, student and teacher

Question number: 31

» 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

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