Question

if the cost of 15 books is 300 rupees then they find the cost of 25 such books? ​

Answer 1

Answer:

Given cost of 6 notebooks =Rs 45.

Given cost of 6 notebooks =Rs 45.Then cost of one notebook =Rs

Given cost of 6 notebooks =Rs 45.Then cost of one notebook =Rs 6

Given cost of 6 notebooks =Rs 45.Then cost of one notebook =Rs 645

Given cost of 6 notebooks =Rs 45.Then cost of one notebook =Rs 645

Given cost of 6 notebooks =Rs 45.Then cost of one notebook =Rs 645

Given cost of 6 notebooks =Rs 45.Then cost of one notebook =Rs 645 So cost of 8 notebooks =Rs

Given cost of 6 notebooks =Rs 45.Then cost of one notebook =Rs 645 So cost of 8 notebooks =Rs 6

Given cost of 6 notebooks =Rs 45.Then cost of one notebook =Rs 645 So cost of 8 notebooks =Rs 645

Given cost of 6 notebooks =Rs 45.Then cost of one notebook =Rs 645 So cost of 8 notebooks =Rs 645

Given cost of 6 notebooks =Rs 45.Then cost of one notebook =Rs 645 So cost of 8 notebooks =Rs 645 ×8=60 Rs

Hope it helps you keep smiling :)

Answer 2

${\large \boxed{\boxed{\begin{array}{cc} \\\\\\ \purple\implies{ \tt{ \bull \: 15 books = Rs. 300}} \\ \\ \purple\implies{ \tt{ \bull \: 1 book = Rs. \dfrac{300}{15} = Rs. 20}} \\ \\ \purple\implies{ \tt{ \bull \: 12 books = 12 \times 20 = Rs. 240}} \\ \\\\\\\\\ \end{array}}}}$