Question

student taking a test consisting of 10 questions is told that each question after the first question is worth two marks more than the preceding question if third question of the test is worth 5 marks what is the maximum score that the student can obtained by attempting 8 question

Answer 1

Answer:

15 marks .

Step-by-step explanation:

d=2

a3=5

a3=a+2d

5=a+2*2

5-4=a

1=a

a8=a+7d

1+7*2

=15.

Answer 2

Answer:

answer attached in photo