21.
|
In a 200 metres race A beats B by 35 m or 7 seconds. A's time over the course is:
|
A.
|
40 sec
|
B.
|
47 sec
|
C.
|
33 sec
|
D.
|
None of these
|
|
Answer: Option C
Explanation:
B runs 35 m in 7 sec.
B covers 200 m in
|
|
7
|
x 200
|
|
= 40 sec.
|
35
|
B's time over the course = 40 sec.
A's time over the course (40 - 7) sec = 33 sec.
