Arithmetic-Ratio, Proportion & Chain Rule (CBSE-NET (UGC) Paper-I): Questions 1 - 4 of 4

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Question number: 1

» Arithmetic » Ratio, Proportion & Chain Rule

Appeared in Year: 2014

MCQ▾

Question

Two numbers are in the ration 3: 5. If 9 is subtracted from the numbers, the ratio becomes 12: 23. The numbers are (December)

Choices

Choice (4) Response

a.

33, 55

b.

42, 70

c.

30, 50

d.

36, 60

Question number: 2

» Arithmetic » Ratio, Proportion & Chain Rule

MCQ▾

Question

Anil played 8 cricket matches. The mean (average) of the runs was found to be 80. After playing four more matches, the mean of the runs of all the matches was found to be 70. The total runs made in the last four matches is________

Choices

Choice (4) Response

a.

100

b.

300

c.

200

d.

400

Question number: 3

» Arithmetic » Ratio, Proportion & Chain Rule

MCQ▾

Question

Four pipes can fill a reservoir in 15, 20, 30 and 60 hours respectively. The first one was opened at 6 AM, second at 7 AM, third at 8 AM and the fourth at 9 AM. When will the reservoir be filled?

Choices

Choice (4) Response

a.

11 AM

b.

1: 30 PM

c.

12 Noon

d.

1 PM

Question number: 4

» Arithmetic » Ratio, Proportion & Chain Rule

MCQ▾

Question

The price of oil is increased by 25%. If the expenditure is not allowed to increase, the ratio between the reduction in consumption and the original consumption is

Choices

Choice (4) Response

a.

1: 3

b.

1: 5

c.

1: 4

d.

1: 6

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