Wipro LCM and HCF Questions and Answers Quiz-1

Question 1

Time: 00:00:00
The HCF and LCM of two numbers are 13 and 455 respectively. If one of the numbers lies between 75 and 125, then, that numbers is:

78

78

91

91

104

104

117

117

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Question 2

Time: 00:00:00
The least perfect square, which is divisible by each of 20, 35 and 65 is

3314434

3314434

3341200

3341200

3312400

3312400

4331444

4331444

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Question 3

Time: 00:00:00
A number when successively divided by 6, 4, 2 gives remainder 0, 3, 1 respectively in that order. What will be the remainder when the same number is divided successively by 2, 4, 6 in that order?

1,0,3

1,0,3

1,3,0

1,3,0

1,1,3

1,1,3

3,1,1

3,1,1

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Question 4

Time: 00:00:00
What  least value should be added to 3450 to make it completely divisible by 7, 12 and 32?

321

321

834

834

762

762

957

957

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Question 5

Time: 00:00:00
Which greatest possible length can be used to measure exactly 20 meters 15 cm, 21 meters 55 cm, and 12 meters 65 cm?

8

8

5

5

4

4

2

2

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Question 6

Time: 00:00:00
The traffic lights at three different road crossings change after 24 seconds, 36 seconds and 54 seconds respectively. If they all change simultaneously at 10:15:00 AM, then at what time will they again change simultaneously?

10:22:12 AM

10:22:12 AM

10:16:54 AM

10:16:54 AM

10:17:02 AM

10:17:02 AM

10:18:36 a.m.

10:18:36 a.m.

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Question 7

Time: 00:00:00
There are 3 numbers, these are co-prime to each other are such that the product of the first two is 399 and that of the last two is 525. What will be the sum of three numbers :

 

75

75

81

81

65

65

89

89

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Question 8

Time: 00:00:00
If the sum of two numbers is 11 and the H.C.F. and L.C.M. of these numbers are 1 and 30 respectively, then the sum of the reciprocals of the numbers is equal to:

55/60

55/60

60/55

60/55

11/30

11/30

10/11

10/11

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x+y=55 xy=600 1/x+1/y=11/120

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Question 9

Time: 00:00:00
What is the smallest number that leaves a remainder of 2 when divided by 3, 4, 5, and 6?

 

 

62

62

46

46

32

32

25

25

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Question 10

Time: 00:00:00
Find the smallest 4 digit number which is divisible by 18, 24, 32?

1152

1152

234

234

123

123

145

145

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