NSO Level 1- Science Olympiad (SOF) Class 10: Questions 129 - 135 of 986

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Question number: 129

» Mental Ability

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Appeared in Year: 2011

MCQ▾

Question

Simplify by combining similar terms:

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 130

» Mental Ability

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Appeared in Year: 2011

MCQ▾

Question

If every side of a triangle is doubled, then increase in the area of the triangle is ________.

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 131

» Chemical Reactions and Equation

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MCQ▾

Question

What does color of change when iron nail is dipped in it?

Choices

Choice (4) Response

a.

Light green to reddish brown

b.

Brown to light green

c.

Blue to light green

d.

Light green to blue

Question number: 132

» Mental Ability

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MCQ▾

Question

The ratio of two numbers is and their sum is 400. The smaller of the two numbers is?

Choices

Choice (4) Response

a.

160

b.

180

c.

120

d.

200

Question number: 133

» Mental Ability

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MCQ▾

Question

Find the roots of the equation .

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 134

» Acids, Bases and Salts

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MCQ▾

Question

Which of the following aqueous solution will cause litmus paper to turn red?

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 135

» Mental Ability

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MCQ▾

Question

Granny starts from her house towards West. After walking a distance of 30 metres, she turned towards right and walked 20 metres. She then turned left and moving a distance of 10 metres, turned to her left again and walked 40 metres. She now turns to the left and walks 5 metres. Finally she turns to her left. In which direction is she walking now?

Choices

Choice (4) Response

a.

South

b.

East

c.

North-West

d.

North