LCM of two numbers =
Product of numbers ÷ their HCF
Product of numbers × their HCF
Product of numbers
None of these
HCF of two numbers =
Product of numbers ÷ their L.C.M
Product of numbers × their L.C.M
HCF of 24, 36 and 92 is:
24
36
12
4
Which of the following statement is true?
All prime numbers are odd
All prime numbers are even.
There is only one even prime number.
There is only one odd prime number.
The number which are multiples of 2 are called:
Odd
Even
Prime
Composite
Prime factors of 140 are:
2 × 2 × 7
2 × 2 × 5
2 × 2 × 5 × 7
2 × 2 × 5 × 7 × 3
The smallest number of 4-digits exactly divisible by 12, 15, 20 and 35 is:
1,000
1,160
1,260
Successor of every even number is:
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
