A number which is a factor of every number is:
0
1
2
None of these
The greatest number that will divide 37, 50, 123 leaving remainder 1, 2 and 3 respectively is.
9
10
15
12
HCF of 120, 144 and 216 is:
38
24
120
144
The smallest number which when divided by 20, 25, 35 and 40 and leaves remainders as of 14, 19, 29 and 34 respectively is
1,394
1,404
1,664
1,406
Common factors of 9 and 36 are
1, 3, 9
1, 4, 3, 5, 9
1,3,9
HCF of 24, 36 and 92 is:
36
4
Four bells ring at intervals of 6, 7, 8 and 9 seconds respectively. All the bells rings together after _________ seconds.
504
516
508
512
Choose the Co-prime numbers from the following .
7 and 63
36 and 25
25 and 21
63 and 81
LCM of 81, 18 and 36 is:
81
162
324
The smallest number of 4-digits exactly divisible by 12, 15, 20 and 35 is:
1,000
1,160
1,260
