The greatest number of 4-digits exactly divisible by 12,15, 20 and 35 is:
9,999
9,660
9,832
9,860
A number which is a factor of every number is:
0
1
2
None of these
H.C.F of two Co-prime numbers is:
LCM of two numbers =
Product of numbers ÷ their HCF
Product of numbers × their HCF
Product of numbers
Three common multiples of 18 and 6 are?
18, 9, 9
18, 36, 6
36, 54, 72
The smallest number of 4-digits exactly divisible by 12, 15, 20 and 35 is:
1,000
1,160
1,260
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 sum of the first five multiples of 6 is:
90
60
30
120
Prime factors of 140 are:
2 × 2 × 7
2 × 2 × 5
2 × 2 × 5 × 7
2 × 2 × 5 × 7 × 3
HCF of 24, 36 and 92 is:
24
36
12
4
