Puja spent 2 3/5 hour doing maths and 1/4 in reading english book. how much time did she spend on study ?
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Answer:
She spent 2 hrs.51 min. in studying
Step-by-step explanation:
Given:
Time spent by Puja for doing Maths = 2 3/5 hrs. = 13 /5 hrs.
Time spent by her in reading English book = 1/4 hrs.
Total time spent by her on study = time spend for doing Maths + time spent in reading English book
= ( 13/5) + ( 1/4)
= {( 13 × 4 )+(1 × 5)} / 20
= (52 + 5 ) /20 = 57 /20 =2 17 /20 hrs.
= 2 hrs. (17 /20) × 60= 2 hrs 51 min.
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