NRA CGL (National Recruitment Agency-Combined Graduate Level) Mathematics: Questions 404 - 408 of 425

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Question number: 404

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MCQ▾

Question

The distance between two stations P and Q is 1200 km. A train starts from P and moves towards Q at an average speed of 40 km/hr. another train starts from Q at the same time and moves towards P at an average speed of 80 km/hr. How far from P will they cross each other?

Choices

Choice (4)Response

a.

600 km

b.

200 km

c.

400 km

d.

500 km

Question number: 405

» Surds

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MCQ▾

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The square root of is

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 406

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The distance between two stations P and Q is 800 km. A train starts from P and moves towards Q at an average speed of 30 km/hr. another train starts from Q at the same time and moves towards P at an average speed of 70 km/hr. How far from P will they cross each other?

Choices

Choice (4)Response

a.

240 km

b.

100 km

c.

541 km

d.

300 km

Question number: 407

» Surds

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MCQ▾

Question

The square root of is

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 408

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MCQ▾

Question

In a school with 1800 students, the average age of boys is 20 years and that of the girls is 19 years and 11 months. If the average age of the school is 19 years and 7 months, then the number of the girls in the school is

Choices

Choice (4)Response

a.

100

b.

600

c.

800

d.

900

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