The H C F of two numbers is 4 and their L C M is 168.If the first number is 12,the other is
504
56
48
336
Which of the following is a prime number?
12
71
15
58
Simply 5 [{(81 ÷9) × 12 - 18} - 6]
-276
420
-300
400
If the sum of the digits is divisible by 3,then the number is divisible by
2
3
6
9
The number which is neither prime nor composite is
1
4
45
41
27
The base and index in 108 are
Base 10,index 8
Base 8,index 10
Base 0,index 8
Base 8,index 0
2 3 1 5 6 4 is divisible by
7
5
+1
-1
-12
+12
The prime factor of 36 are
2 × 2 × 9
4 × 3 × 3
4 × 9
2 × 2 × 3 × 3
