SSC CGL (Staff Selection Commission-Combined Graduate Level) Mathematics: Questions 157 - 161 of 425

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Question 157

Question MCQ▾

The average weight of 10 persons decreases by 8 kg when one of them weighing 160 kg is replaced by a new person. The weight (in kg) of the new person is (Paper - I)

Choices

Choice (4)Response

a.

88

b.

60

c.

80

d.

90

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Question 158

Question MCQ▾

The average weekly salary of A, B and C is ₹ 8500 and that of B, C and D is ₹ 9500. If the weekly salary of A is ₹ 8700 then the weekly salary of D is (Paper - I)

Choices

Choice (4)Response

a.

₹ 11500

b.

₹ 11400

c.

₹ 11700

d.

₹ 11600

Edit

Question 159

Question MCQ▾

In an election there were only two candidates. One of the candidates secured of votes and is defeated by the other candidate by 9600 votes. The total number of votes polled is

Choices

Choice (4)Response

a.

780000

b.

170000

c.

240000

d.

24000

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Question 160

Question MCQ▾

If the length of rectangle is increased in the ratio 2: 3 and its breadth is reduced in the ratio 7: 2 then its area will be reduced in the ratio

Choices

Choice (4)Response

a.

10: 7

b.

21: 4

c.

7: 6

d.

7: 3

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Question 161

Question MCQ▾

A man goes from Pune to Bangalore at a uniform speed of 30 km/hr and comes back to Pune at a uniform speed of 50 km/hr. his average speed for the whole journey is:

Choices

Choice (4)Response

a.

48.6 km/hr

b.

37.5 km/hr

c.

55 km/hr

d.

50.8 km/hr

Edit