The multiples of 11 less than 50 which are even numbers are
22,30,50
20,33,45
11,22,33,44
22,44
Prime factorization of 143 are:
2 × 11 × 13
11 × 13
2 × 3 × 7
None of these
All numbers with 1,3,5,7 or 9 in the unit place are called ________ numbers.
odd
even
rational
The numbers which have more than two factors are called.
Even
Prime
Composite
The least number which when divided by 9, 12, 16, 30 leaves in each case a remainder of 3 is:
720
723
823
750
The LCM two numbers is x and their HCF is Y. The product of two numbers is:
x/y
y/x
x + y
xy
L.C.m of 17 and 5 is:
105
95
85
5
All numbers are multiples of
1
2
10
100
Number of prime numbers between 50 to 60 is:
3
4
Choose the Co-prime numbers from the following primes.
7 and 63
36 and 25
25 and 21
63 and 81
