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sucidicalp6oqjn

27.

18 divided by 2 = 9

40 divided by 2 = 20

20 x 3 = 60 min = 1 hour

9 x 3 = 27.

so 27 problems finished in 1 hour.


hiimanshu21
hey there !!

ken finished 18 problem in 40 minutes .

than in one minute he solves = 40/18 = 2.22

now , in 1 hr he will solve = 60/2.22 = 27.07

hence he answers 27 question approx in 1 hr.

#himanshu jha

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