NCHMCT JEE 2020 Question Paper with solutions for online practice

Question : 78 of 200

Marks: +1, -0

The time duration of

1 {h} 45 {min}

is what per cent of a day?

Solution:

1 h

45 {min}=1 \;{3}/{4} {h}=\;{7}/{4} {h}

1 \;\text " day "\; \;\; =24 {h}

∴ \;\; \;\text " Required per cent "\; \;\; =\;{\;{7}/{4}}/{24} × 100

\;\; =\;{7}/{4 × 24} × 100=7.29 \%

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