A batsman scored 1 runs in his 18th innings and that makes his average 18. Find his average upto
the 17th innings?	Choose the correct answer:
A) 19	B) 20	C) 21	D) 22	E) 23

Rationale: avg = sum of the value / no . of the value 18 = ( sum of the first 17 innings score + 1 ) / 18 ( 18 * 18 - 1 ) = sum of the first 17 innings score sum of the first 17 innings score = 323 ave upto 17 innings = 323 / 17 = 19 answer : a
Answer: A