Question

word problem maths project class 5th

Answer 1

Answer is 3 hours 45 minutes

5/4+7/4+3/4=15/4hours

15/4*60= 225 minutes

225 minutes/60= 3 hours 45 minutes

Answer 2

No. of hours Rakesh spent to do Maths homework=5/4
No. of hours Rakesh spent to do Science homework=7/4
No. of hours Rakesh spent to do English homework=3/4
time taken to complete his homework=5/4+7/4+3/4
=15/4