# Number Systems [NRA CGL (National Recruitment Agency-Combined Graduate Level) Mathematics]: Questions 62 - 68 of 87

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## Question 62

Number Systems
Edit

### Question

MCQ▾

HCF and LCM of two numbers are 5 and 200 respectively. If the numbers are between 20 and 50, the sum of the numbers is (Paper-I)

### Choices

Choice (4)Response

a.

85

b.

65

c.

95

d.

75

## Question 63

Number Systems
Edit

### Question

MCQ▾

A policeman, while arranging the people, who were 4000 in number, in the form of a square, found that there were 31 people left over. How many were arranged in each row?

### Choices

Choice (4)Response

a.

63

b.

92

c.

56

d.

87

## Question 64

Number Systems
Edit

### Question

MCQ▾

Look at this series: …… what number should fill the blank?

### Choices

Choice (4)Response

a.

51

b.

58

c.

50

d.

55

## Question 65

Number Systems
Edit

### Question

MCQ▾

Find the missing number for below series

### Choices

Choice (4)Response

a.

356

b.

185

c.

82

d.

584

## Question 66

Number Systems
Edit

### Question

MCQ▾

Calculate the sum of the series

### Choices

Choice (4)Response

a.

8.245991

b.

7.04811971

c.

6.74897119

d.

All of the above

## Question 67

Number Systems
Edit

### Question

MCQ▾

Find the missing number for below series

122,62,32, ? , 9.5,5.75

### Choices

Choice (4)Response

a.

19

b.

20.25

c.

17

d.

24

## Question 68

Number Systems
Edit

### Question

MCQ▾

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