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Quiz – 1

Question 1

Time: 00:00:00
Two numbers are in the ratio of 5:11. If their HCF is 7, find the numbers.

35, 77

35, 77

44, 66

44, 66

35, 55

35, 55

54, 44

54, 44

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A

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Question 2

Time: 00:00:00
Find the length of the plank which can be used to measure exactly the lengths 4 m 50 cm, 9 m 90 cm and 16 m 20 cm in the least time.

87 cm

87 cm

89 cm

89 cm

90 cm

90 cm

91 cm

91 cm

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Question 3

Time: 00:00:00
Find the greatest number which on dividing 70 and 50 leaves remainders 1 and 4 respectively.

21

21

22

22

23

23

24

24

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Question 4

Time: 00:00:00
Find the least number which when divided by 5,7,9 and 12, leaves the same remainder 3 in each case

1245

1245

1248

1248

1263

1263

1268

1268

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Question 5

Time: 00:00:00
Find the largest number which divides 64, 136, and 238 to leave the same remainder in each case.

6

6

4

4

2

2

8

8

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Question 6

Time: 00:00:00
Find the largest four digit number exactly divisible by 15,21 and 28.

9660

9660

9665

9665

8000

8000

8005

8005

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Question 7

Time: 00:00:00
Find the least number which when divided by 6,7,8 leaves a remainder 3, but when divided by 9 leaves no remainder .

171

171

160

160

144

144

168

168

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Question 8

Time: 00:00:00
Two numbers are in the ratio 2:3. If the product of their LCM and HCF is 294, find the numbers.

14 and 21

14 and 21

15 and 30

15 and 30

14 and 20

14 and 20

15 and 31

15 and 31

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Question 9

Time: 00:00:00
A rectangular field of dimension 180m x 105m is to be paved by identical square tiles. Find the size of each tile and the number of tiles required.

82 tiles, size 15m x 15m

82 tiles, size 15m x 15m

84 tiles, size 15m x 15m

84 tiles, size 15m x 15m

74 tiles, size 14m x 14m

74 tiles, size 14m x 14m

64 tiles, size 15m x 15m

64 tiles, size 15m x 15m

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Question 10

Time: 00:00:00
The policemen at three different places on a ground blow a whistle after every 42 sec, 60 sec and 78 sec respectively. If they all blow the whistle simultaneously at 9:30:00 hours, then at what time do they whistle again together ?

1 hour 31 minutes

1 hour 31 minutes

1 hour 50 minutes

1 hour 50 minutes

2 hour 31 minutes

2 hour 31 minutes

31 minutes

31 minutes

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["0","40","60","80","100"]
["Need more practice! \r\n","Keep trying! \r\n","Not bad! \r\n","Good work! \r\n","Perfect! \r\n"]

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