# 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

4

-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

4

7

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

4

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

4

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

4

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

4

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

4

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

4

127

Explanation :
No Explanation available for this question

# Which of the following fractions is the largest

1.  7/8

2.  13/16

3.  31/40

4.  63/80

4

7/8

Explanation :
No Explanation available for this question

1.  196

2.  630

3.  1260

4.  2520

4