L.C.M of two prime numbers x and y (x > y) is 161. The value of 3y – x  is:

1.  -2

2.  -1

3.  1

4.  2

View Answer  
4
Correct Answer :

-2


Explanation :
No Explanation available for this question

The greatest number that exactly divides 105, 1001 and 2436 is:

1.  3

2.  7

3.  11

4.  21

View Answer  
4
Correct Answer :

7


Explanation :
No Explanation available for this question

The greatest possible length which can be used to measure exactly the lengths 7 m, 3 m 85 cm, 12 m 95 cm is:

1.  15 cm

2.  25 cm

3.  35 cm

4.  42 cm

View Answer  
4
Correct Answer :

35 cm


Explanation :
No Explanation available for this question

Three different containers contain 496 litres, 403 litres and 713 litres of mixtures of milk and water respectively. What biggest measure can measure all the different quantities exactly

1.  1 litre

2.  7 litres

3.  31 litres

4.  41 litres

View Answer  
4
Correct Answer :

31 litres


Explanation :
No Explanation available for this question

The maximum number of students among them 1001 pens and 910 pencils can be distributed in such a way that each student gets the same number of pens and same number of pencils is:

1.  91

2.  910

3.  1001

4.  1911

View Answer  
4
Correct Answer :

91


Explanation :
No Explanation available for this question

A rectangular courtyard 3.78 metres long and 5.25 metres wide is to be paved exactly with square tiles, all of the same size. What is the largest size of the tile which could be used for the purpose

1.  14 cms

2.  21 cms

3.  42 cms

4.  None of these

View Answer  
4
Correct Answer :

21 cms


Explanation :
No Explanation available for this question

Find the greatest number that will divide 43, 91 and 183 so as to leave the same remainder in each case.

1.  4

2.  7

3.  9

4.  13

View Answer  
4
Correct Answer :

4


Explanation :
No Explanation available for this question

Let N be the greatest number that will divide 1305, 4665 and 6905, leaving the same remainder in each case. Then sum of the digits in N is:

1.  4

2.  5

3.  6

4.  8

View Answer  
4
Correct Answer :

4


Explanation :
No Explanation available for this question

The greatest number which can divide 1356, 1868 and 2764 leaving the same remainder 12 in each case, is:

1.  64

2.  124

3.  156

4.  260

View Answer  
4
Correct Answer :

64


Explanation :
No Explanation available for this question

The greatest number which on dividing 1657 and 2037 leaves remainders 6 and 5 respectively, is:

1.  123

2.  127

3.  235

4.  305

View Answer  
4
Correct Answer :

127


Explanation :
No Explanation available for this question
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