Day-02
1.) If k is any even positive integer, then (k² +2k) is-
(a)divisible by 24
(b) divisible by 8 but may not be divisible by 24
(c) divisible by 4 but may not be divisible by 8
(d). divisible by 2 but may not be divisible by 4
2-What is the value of x for which x, x + 1, x + 3 are all prime numbers?
a-0
b-1
c-2
d-9
3--The product of a rational number and an irrational number is
a) natural number (b) an irrational number
(c)composite number (d) a rational number
4-The number 2784936 is divisible by which one of the follwing numbers?
(a) 86
(c) 88
(b) 87
(d) 89
5-What is the number of prime factors of 30030?
a-4
b-5
c-6
d-none