Advertisements
Advertisements
Question
The cost of 11 pens is ₹ `24 3/4`. Find the cost of one pen.
Sum
Solution
The cost of 11 pens is ₹ `24 3/4`.
One cost of a pen is calculated as,
cost = `24 3/4 ÷ 11`
= `99/4 ÷ 11/1`
= `99/4 xx 1/11`
= `(99 xx 1)/(4 xx 11)`
= `9/4`
= `2 1/4`
Therefore, the cost of one pen is ₹ `2 1/4`.
shaalaa.com
Concept for Problem Solving Using Operations on Rational Numbers
Is there an error in this question or solution?
APPEARS IN
RELATED QUESTIONS
Find three rational numbers equivalent to `-5/9`
Express the following rational numbers to the lowest terms: `(-120)/144`
Express the following rational numbers to the lowest terms: `(-48)/-72`
Compare: `(-7)/8 and 5/-6`
Evaluate: `(-2)/5 + 3/5 + (-1)/5`
Subtract: `11/18 "from" (-5)/18`
Evaluate: `(-45)/39 xx (-13)/15`
Multiply: `5 1/8 "and" -16`
Divide: `21/44 "by" - 11/9`
The product of two rational numbers is 24. If one of them is `- 36/11`, find the other.
