NSO Level 1- Science Olympiad (SOF) Class 10: Questions 18 - 24 of 986

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Question number: 18

» Acids, Bases and Salts

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MCQ▾

Question

Copper oxide in a beaker and add slowly while stirring,

The color of the solution is

Choices

Choice (4)Response

a.

Blue to green color

b.

Blue to greenish blue

c.

Blue to black color

d.

No change

Question number: 19

» Mental Ability

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MCQ▾

Question

A farmer built a fence around his square plot. He used 32 fence poles on each side of the square. How many poles did he need together?

Choices

Choice (4)Response

a.

128

b.

124

c.

144

d.

132

Question number: 20

» Mental Ability

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MCQ▾

Question

If , then value of is ________.

Choices

Choice (4)Response

a.

1

b.

2

c.

0

d.

Question does not provide sufficient data or is vague

Question number: 21

» Mental Ability

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MCQ▾

Question

In a lottery, there are 9 prizes and 18 blanks. What is the probability of getting a prize?

Choices

Choice (4)Response

a.

b.

c.

d.

Question does not provide sufficient data or is vague

Question number: 22

» Mental Ability

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MCQ▾

Question

The difference between the exterior angles of two regular polygon having sides equal to and is 18. Find the value of .

Choices

Choice (4)Response

a.

5

b.

4

c.

6

d.

8

Passage

DIRECTION: The following questions are based on the diagram given below.

I. Square represents female.

II. Triangle represents doctor.

III. Square represents African.

IV. Circle represents uneducated.

Diagram shows female, uneducated, African and doctor

Diagram Shows Female, Uneducated, African and Doctor

Question number: 23 (1 of 3 Based on Passage) Show Passage

» Mental Ability

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MCQ▾

Question

Who among the following is female doctor but not an African?

Choices

Choice (4)Response

a.

5

b.

10

c.

8

d.

4

Question number: 24 (2 of 3 Based on Passage) Show Passage

» Mental Ability

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MCQ▾

Question

Who among the following is an African but not uneducated, female and doctor?

Choices

Choice (4)Response

a.

15

b.

9

c.

10

d.

19

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