Advertisements
Advertisements
Question
The cost of \[7\frac{2}{3}\] metres of rope is Rs \[12\frac{3}{4} .\]
Find its cost per metre.
Advertisements
Solution
\[\text{The cost of 7}\frac{2}{3} \text{metres of rope is Rs} 12\frac{3}{4} . \]
\[ \therefore \text{Cost per metre =} 12\frac{3}{4} \div 7\frac{2}{3}\]
\[ = \frac{51}{4} \div \frac{23}{3}\]
\[ = \frac{51}{4} \times \frac{3}{23}\]
\[ = \frac{153}{92}\]
\[ = \text{Rs}\ 1\frac{61}{92}\]
RELATED QUESTIONS
Subtract the first rational number from the second in each of the following:
Evaluate each of the following:
Simplify each of the following and write as a rational number of the form \[\frac{p}{q}:\]\[\frac{- 11}{2} + \frac{7}{6} + \frac{- 5}{8}\]
Multiply:
Simplify:
Simplify:
Fill in the blanks:
The reciprocal of a positive rational number is .....
Divide:
For every rational number x, x × 0 = x.
150 students are studying English, Maths or both. 62 per cent of the students are studying English and 68 per cent are studying Maths. How many students are studying both?
