Question

how many numbers between 50 to 500 are divisible by 17​

Answer 1

Answer:

27 numbers are divisible by 17 between 50 to 500

Answer 2

53,68,.........493

a=53, d=17

Sn=n/2+{a*2+(a-1)d}

first find n by n=a+(n-1)d

u can now solve