Question

2. The scores of Sachin in consecutive five innings are 80, 90, 100, 100 and m
respectively. The average of the five innings is 100, then comparing with his first
innings score, how much more has he scored in his last innings?
(1) 50 (2) 20 (3) 130 (4) 10​

Answer 1

Answer:

130

Step-by-step explanation:

(80+90+100+100+m)/5=100

m+370=500

m=130

Answer 2

Answer:

let the score be x

80+90+100+100+x = 100

5

370+x =100

5

370+x = 100x5

x= 500-370

x=130

(3) is right