Mental Ability-Basic Arithmetic (NCO- Cyber Olympiad Class 7): Questions 84 - 90 of 122

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Question number: 84

» Mental Ability » Basic Arithmetic

MCQ▾

Question

105×105+95×95=?

Choices

Choice (4) Response
a.

2190

b.

19418

c.

5012.5

d.

19578

Question number: 85

» Mental Ability » Basic Arithmetic

MCQ▾

Question

A, B, C subscribe Rs. 60, 000 for a business. A subscribes Rs. 4000 more than B and B Rs. 3000 more than C. Then C’s share is________.

Choices

Choice (4) Response
a.

Rs. 8400

b.

Rs. 11, 900

c.

Rs. 13, 600.50

d.

Rs. 16, 666.66

Question number: 86

» Mental Ability » Basic Arithmetic

MCQ▾

Question

A train 200 m long is running at a speed of 25kmhr. In what time will it pass a bridge 100 m long?

Choices

Choice (4) Response
a.

45.55 sec

b.

43.5 sec

c.

42.30 sec

d.

40.13 sec

Question number: 87

» Mental Ability » Basic Arithmetic

MCQ▾

Question

If each side of a cube is tripled, its volume

Choices

Choice (4) Response
a.

Becomes 27 times

b.

Becomes 6 times

c.

Is doubled

d.

Becomes 4 times

Question number: 88

» Mental Ability » Basic Arithmetic

MCQ▾

Question

The value of (0.875×0.875+2×0.875×0.225×0.225×0.225) is

Choices

Choice (4) Response
a.

4.55

b.

1.00

c.

2.30

d.

1.20

Question number: 89

» Mental Ability » Basic Arithmetic

MCQ▾

Question

The cost of cultivating a square field at the rate of rupees 240 per hectare is rupees 1200. What is the cost of putting a fence around it at 50 paise per meter?

Choices

Choice (4) Response
a.

900 rupees

b.

447.21 rupees

c.

600 rupees

d.

400 rupees

Question number: 90

» Mental Ability » Basic Arithmetic

MCQ▾

Question

Express 0.5 % as a decimal

Choices

Choice (4) Response
a.

0.12

b.

0.012

c.

0.005

d.

12

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