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Answer 1

Add it

1/3 + 1/2

L.C.M = 6

1 × 2 / 3 × 2 + 1 × 3 / 2 × 3

2 + 3 / 6 = 5/6 hr

So Rahul studied for 5/6 hr that is

5 / 6 × 60 = 50 minutes.

Hence Rahul studied for 50 minutes.

Hope it helps you.

Have a good day.

Answer 2

Hii....☺

Here is your solution.......

______________________________

Time taken to study science = 1/3 hr
Time taken to study English = 1/2 hr

Therefore, he studied for = ( 1/3 + 1/2) hr

=> 2 + 3 / 6
=> 5/6 hr.

⭐ In minutes we have,

1 hour = 60 min

5/6 hr = 5/6 × 60
=> 50 minutes.

Thanks....☺