Question

Section-11
Case study-based questions are compulsory. Attempt any 4 sub parts from
each question. Each question carries 1 mark
SPRINT
Sprint events in track and field usually
consists of the 100 m, 200 m and 400 m
race though 60 m dashes are nlso held on
occasion. These races are largely based
upon the athlete's ability to accelerate to
his or her maximum speed in the quickest
time possible.
Girish wants to participate in the 200 m Sprint. He can currently run that distance
in 45 sec. But he wants to do 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.
Which of the following forms an A.P for the above given situation?
(1) 45, 90, 180,
(II) 45, 47, 48,...... (18) 45, 43, 41,
(iv) -45, -47, -48, nes
What is the minimum number of days he needs to practice till his goal is
accomplished?
(1) 8 days (II) 8.5 days (iii) 9 days
(iii) none of these
Which of following term is not in the A.P of the above given situation.
(1) 31 (11) 30
(iii) 29
(iv) 27
If x, y, z are in AP, then is equal to
y-2
(1) 12
(ii) 2
(iv) O​

Answer 1

Answer:

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