NSO Level 1- Science Olympiad (SOF) Class 10: Questions 65 - 70 of 986

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Question number: 65

» Mental Ability

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MCQ▾

Question

How many squares does the given figure have?

Figure shows squares

Figure Shows Squares

This figure shows squares

Choices

Choice (4) Response

a.

18

b.

20

c.

22

d.

16

Question number: 66

» Mental Ability

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MCQ▾

Question

If , then find the value of the expression .

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 67

» Acids, Bases and Salts

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MCQ▾

Question

You have two solutions, Aand B. The of the solution A is and of the solution B is 12. Which solution has more hydrogen ion concentration? Which solution has more hydrogen ion concentration?

Choices

Choice (4) Response

a.

is basic and has more concentration.

b.

is basic and has more concentration.

c.

is acidic and has more concentration.

d.

is acidic and has more concentration.

Question number: 68

» Acids, Bases and Salts

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MCQ▾

Question

The chemical formula of the Plaster of Paris is

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 69

» Mental Ability

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MCQ▾

Question

P and Q are respectively midpoints of non-parallel sides WZ and XY of a trapezium WXYZ. Then equal is

Diagram shows trapezium WXYZ

Diagram Shows Trapezium WXYZ

This diagram shows trapezium WXYZ

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 70

» Mental Ability

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Appeared in Year: 2011

MCQ▾

Question

The middle digit of a number between 100 and 1000 is zero and the sum of the other digits is 11. If the digits be reversed, the number so formed exceeds the original number by find it.

Choices

Choice (4) Response

a.

403

b.

308

c.

803

d.

304