Question

Girish wants to participate in the 200 m Sprint. He can currently run that distance in 45 sec. But he wants to
that in under 30 sec. With each day of practice, it takes him 2 sec less. Respond to the above situation by
answering the questions given below:
a) Which of the following forms an A.P for the above given situation.
i) 45,90 , 180......
ii) 45, 47, 49,...
iii) 45, 43, 41,...... iv) -45, - 47, -48......
b) What is the minimum number of days he needs to practice till his goal is accomplished.
i) 8 days ii) 8.5 days
iii) 9 days
iv) none of these
c) Which of following term is not in the A.P of the above given situation.
i) 31
i) 30
iii) 29
iv) 27
d) The nth term of the sequence a, a +d, a + 2d,... is
i) a + nd ii) a – (n + 1)d iii) a + (n 1) iv)n + nd​

Answer 1

Answer:

the nth term a,a+d,a+2d,a+3d,