17+18=35. How many such 2 consecutive numbers are there less than 200 when added gives a sum which is divisible by 5?  Choose one: A) 80 B) 40 C) 50 D) 60 E) 20

Rationale: since 2 + 3 = 5 & 7 + 8 = 15 any combination with these no be will give u desirable result . . . so total no in 100 will be 20 & that ' s why in 200 , it will be 40 answer : b
Answer: B