User Forum

Subject :IMO    Class : Class 7
An insect crawls up 5 cm every second on a vertical rod and then fall down2cm over the next second.How many seconds will it take to climb the rod?

Ans 1:

Class : Class 7
39seconds

Ans 2:

Class : Class 8
The time taken for going up and down = 1+1= 2 Distance travelled in 2 sec = +5-2= 3 Time taken to climb the rod = 60/3 = 20 x 2= 40

Ans 3:

Class : Class 7
39 Sec

Ans 4:

Class : Class 8
39 seconds

Ans 5:

Class : Class 7
39 seconds

Ans 6:

Class : Class 8
3 times

Post Your Answer