# NRA CGL (National Recruitment Agency-Combined Graduate Level) Mathematics: Questions 315 - 320 of 425

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## Question number: 315

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MCQ▾

### Question

Three numbers which are co-prime to one another are such that the product of the first two is 589 and that of the last two is 1333. The sum of the three numbers is (Paper- I)

### Choices

Choice (4)Response

a.

93

b.

90

c.

45

d.

70

## Question number: 316

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MCQ▾

### Question

A cricketer has a certain average of runs for his 9 innings. In the tenth inning he scores 100 runs, thereby increasing his average by 5 runs. His new average of runs is (Paper- I)

### Choices

Choice (4)Response

a.

56

b.

45

c.

55

d.

57

## Question number: 317

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MCQ▾

### Question

A cylindrical tube open at both ends is made of metal. The internal diameter of tube is 12 cm and its length is 28 cm. the metal everywhere is 2 cm thick. The volume of the metal is (Paper-1)

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question number: 318

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MCQ▾

### Question

If and then the value of is (Paper-1)

### Choices

Choice (4)Response

a.

1

b.

324

c.

361

d.

37

## Question number: 319

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MCQ▾

### Question

HCF and LCM of two numbers are 8 and 160 respectively. If the numbers are between 30 and 50, the sum of the numbers is (Paper- I)

### Choices

Choice (4)Response

a.

42

b.

52

c.

72

d.

62

## Question number: 320

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MCQ▾

### Question

A tradesman marks his goods at 30 % above its cost price and allows purchasers a discount of for cash payment. The profit, he thus makes, is (Paper-1)

### Choices

Choice (4)Response

a.

b.

c.

d.

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