NSO Level 1- Science Olympiad (SOF) Class 10: Questions 8 - 13 of 986

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Question number: 8

» Mental Ability

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MCQ▾

Question

A class starts at 9 a. m. and lasts till Four periods are held during this interval. After every period, 5 minutes are given free to the students. The exact duration of each period is ________.

Choices

Choice (4)Response

a.

38 minutes

b.

47 minutes

c.

50 minutes

d.

35 minutes

Question number: 9

» Acids, Bases and Salts

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MCQ▾

Question

Which of the following is incorrect for acid?

Choices

Choice (4)Response

a.

Acid turns red litmus blue.

b.

All the compounds containing are acidic.

c.

All the acid have sour test.

d.

All the acids generates H-gas on reacting with metal

Question number: 10

» Mental Ability

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Appeared in Year: 2011

MCQ▾

Question

If both and belong to the set , then the number of equation of the form having real roots is ________.

Choices

Choice (4)Response

a.

12

b.

7

c.

6

d.

10

Question number: 11

» Mental Ability

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MCQ▾

Question

Four camels are tethered at four corners of a square plot of side so that the adjacent camels can just reach one another. There is a small circular pond of area at the centre. Find the ungrazed area.

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 12

» Mental Ability

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Appeared in Year: 2011

MCQ▾

Question

If , then ________

Choices

Choice (4)Response

a.

0

b.

3

c.

d.

1

Question number: 13

» Mental Ability

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MCQ▾

Question

A money lender finds that due to a fall in the rate of interest from , his yearly income diminishes by Rs. 100. His capital is ________.

Choices

Choice (4)Response

a.

Rs. 20000

b.

Rs. 12000

c.

Rs. 23500

d.

Rs. 15800

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