AMCAT Number System Quiz-1

Question 1

Time: 00:00:00
What will be the sum of the first 241 odd numbers?

 

 

43556

43556

52612

52612

57623

57623

none

none

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Question 2

Time: 00:00:00
Sum of three consecutive numbers is 3603. Then find the middle number.

 

1256

1256

1203

1203

1213  

1213  

1201

1201

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Question 3

Time: 00:00:00
Three consecutive numbers such that twice the third, thrice the first, and five times the second together make 199. The middle number is

 

 

16

16

17

17

18

18

20

20

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Question 4

Time: 00:00:00
Sum of the two numbers is 32 and the difference between the two numbers is 4. Then find the bigger number.

 

16

16

17

17

18  

18  

19

19

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Question 5

Time: 00:00:00
Find the greatest number that can divide 157, 277 and 420 leaving a remainder of 5, 1 and 4 respectively.

 

2

2

4

4

8  

8  

12

12

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Question 6

Time: 00:00:00
There are 2 numbers in the ratio of 4 : 5. If 4 is subtracted from both numbers the ratio becomes 3 : 4. What will be the ratio if 4 is added in both numbers?

 

5:6

5:6

4:5

4:5

1:2  

1:2  

7:5

7:5

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Question 7

Time: 00:00:00
If the ratio of two numbers is 3:4 and the LCM of the number is 180 then what is the number.

 

45, 60

45, 60

55, 65

55, 65

58, 52  

58, 52  

24, 56

24, 56

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Question 8

Time: 00:00:00
The H.C.F of two numbers is 12 and their L.C.M is 360. If one of the numbers is 36. Find the other number?

 

120

120

122

122

125  

125  

124

124

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Question 9

Time: 00:00:00
If LCM and HCF are 20 and 40. Find a product of two numbers?

 

800

800

900

900

700  

700  

850

850

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Question 10

Time: 00:00:00
Number of prime numbers between 22 and 40 which is divisible by 7 is

 

3

3

4

4

5  

5  

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["0","40","60","80","100"]
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