# NRA CGL (National Recruitment Agency-Combined Graduate Level) Mathematics: Questions 386 - 391 of 425

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## Question number: 386

Edit
MCQ▾

### Question

LCM of 0.22,0.2 and 1.2 is

### Choices

Choice (4)Response

a.

14.2

b.

c.

18.4

d.

12.1

## Question number: 387

Edit
MCQ▾

Simplify:

### Choices

Choice (4)Response

a.

b.

c.

5

d.

3

## Question number: 388

Edit
MCQ▾

### Question

Out of 21 persons, 20 persons spent Rs. 30 each for their meals. The 21th one spent Rs. 30 more than the average expenditure of all the other. The total money spent by all of them was (in Rs)

### Choices

Choice (4)Response

a.

b.

c.

300.8

d.

## Question number: 389

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MCQ▾

### Question

A person divides his total distance of journey into three equal and decides to travel the three parts with speeds of 12,16 and 20 km/hr. find his average speed. (In km/hr)

### Choices

Choice (4)Response

a.

26.78

b.

c.

28.25

d.

## Question number: 390

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MCQ▾

### Question

In a school with 500 students, the average age of boys is 11 years and that of the girls is 10 years and 2 months. If the average age of the school is 10 years and 5 months, then the number of the girls in the school is

### Choices

Choice (4)Response

a.

300

b.

460

c.

660

d.

490

## Question number: 391

Edit
MCQ▾

### Question

Out of 20 persons, 19 persons spent Rs. 22 each for their meals. The 20th one spent Rs. 19 more than the average expenditure of all the other. The total money spent by all of them was (in Rs)

### Choices

Choice (4)Response

a.

300

b.

660

c.

460

d.

490

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