Subject :IMO Class : Class 7
An insect crawls up 5 cm every second on a 60 cm vertical rod and then falls down 2 cm over the next second. How many seconds will it take to climb the rod?
(A) 20 seconds
(B) 40 seconds
(C) 60 seconds
(D) 30 seconds
Ans 1:
Class : Class 9
actually the answer is 39 seconds
Ans 2:
Class : Class 9
thanks everyone ............for the answer
Ans 3:
Class : Class 10
(b) 40 seconds
Ans 4:
Class : Class 7
b
Ans 5:
Class : Class 7
40 seconds
Ans 6:
Class : Class 10
(b) 40 seconds
Ans 7: (Master Answer)
Class : Class 1
(B) 40 seconds
Ans 8: (Master Answer)
Class : Class 1
(B) 40 seconds
Ans 9:
Class : Class 8
40 Seconds
Ans 10:
Class : Class 9
40 seconds