Advertisements
Advertisements
Question
The cost of `19/4` metres of wire is Rs. `171/2`. Find the cost of one metre of the wire.
Advertisements
Solution
The cost of `19/4` m of wire = ₹ `171/2`
∴ Cost of 1 m of wire = `171/2 ÷ 19/4`
= `171/2 xx 4/19`
= 9 × 2
= ₹ 18
Hence, the cost of 1 m of wire is ₹ 18.
APPEARS IN
RELATED QUESTIONS
Find the multiplicative inverse of -13
Find the multiplicative inverse `(-13)/19`
Find the multiplicative inverse (reciprocal) of each of the following rational numbers:
The multiplicative inverse of `-1 1/7` is ______.
The reciprocal of –1 is ______.
The reciprocal of x–1 is `1/x`.
Simplify
`3/7 + (-2)/21 xx (-5)/6`
`1/6` of the class students are above average, `1/4` are average and rest are below average. If there are 48 students in all, how many students are below average in the class?
`5 1/2` metres long rope is cut into 12 equal pieces. What is the length of each piece?
