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ritik from heritage, jammu
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?

A20 seconds
B40 seconds
C39 seconds
D30 seconds


Ans 1:

Shubhi Vats from Kendriya Vidyalaya Ordnance Factory Chanda, Bhadrawati
Class : Class 7

Ans 2:

Arnav Kharche from Vibgyor High Jakkur, Bangalore
Class : Class 7
it is c only.

Ans 3:

Shivangi Shivu Singh from Pawar Public School Chandivili , Mumbai
Class : Class 7

Ans 4:

CH SRICHARAN from LITTLE ANGELS SCHOOL , VISAKHAPATNAM
Class : Class 7

Ans 5:

Sara Kapoor from Manav Rachna International School charmwood, Faridabad
Class : Class 7
it should be b

Ans 6:

Aditri S Madhavan from SBOAJC, Chennai
Class : Class 9

Ans 7:

Sarthak agarwal from Gurukul foundatio school, Kashipur
Class : Class 8

Ans 8:

Parth Kadam from Pawar Public School , Nanded City, Pune
Class : Class 8

Ans 9:

Nivriti from Euro, Mumbai
Class : Class 8
Ans is A

Ans 10:

Shaswat Agarwal from The Maurya School, Gurgaon
Class : Class 7
Ans is option b cuz 1st second 5cm up 2nd second 2cm down that means in 2 second it will go 3cm up so 20 times this process would be repeated hence the answer is 2X20=40seconds. Option B

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