Question

15 boys can type 270 pages a day. How many pages can 36 boys type in a day?

Answer 1

$\huge{\green{\underline{\underline{Answer:-}}}}$

Given:

15 boys can type 270 pages a day

To find:

How many pages 36 boys type in a day = ?

Solution:

$\\ \\ 15 \: boys \: type \: 270 \: pages \: a \: day \\ \\ 36 \: boys \: type \: \dfrac{36 \times 270}{15} = \dfrac{9720}{15} \\ \\ = \: 648 \: pages \: a \: day$

Required answer:

Thus, 36 boys typed 648 pages in a day

Knowledge booster:

# Example: If 2 girls stitched 5 handkerchief a day, 4 girls stitched how many handkerchief in a day?

-->Unitary method and Cross multiply

2girls = 5 handky

×

4 girls = x hadky

Do, 4 with 5 and 2 with x and solve it easily

$\\ \\ 2 \: girls \: stitched \: 5 \: handkerchief \\ \\ 4 \: girls \: stitched \: x = \dfrac{4 \times 5}{2} = \dfrac{20}{2} \\ \\ = 10 \: handkerchief$

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# Example: If 5 students eat 10 chocolates a day, 10 students eat how many chocolates a day?

--->

$\\ 5 \: students \: eat \: 10 \: chocolates \: a \: \\ day \\ \\ 10 \: students \: eat \: x \: = \dfrac{10 \times 10}{5} = \\ \\ = \dfrac{100}{5} = 20 \: chocolates \: a \: day$

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# Solve more such questions to get a good hold on it