Advertisements
Advertisements
प्रश्न
By what numbers should we multiply `(-15)/20` so that the product may be `(-5)/7`?
Advertisements
उत्तर
Let the required number be x.
According to the question,
`x xx (-15)/20 = (-5)/7`
`x = (-5)/7 xx 20/(-15) = 20/21`
Hence, the required number is `20/21`.
APPEARS IN
संबंधित प्रश्न
Is `8/9` the multiplicative inverse of -1 `1/8`? Why or why not?
Fill in the blanks
The reciprocal of − 5 is ______.
Find the multiplicative inverse (reciprocal) of each of the following rational numbers:
Find the multiplicative inverse (reciprocal) of each of the following rational numbers:
The reciprocal of 0 is ______.
The multiplicative inverse of `4/3` is ______.
1 is the only number which is its own reciprocal.
–1 is not the reciprocal of any rational number.
A train travels `1445/2` km in `17/2` hours. Find the speed of the train in km/h.
`7/11` of all the money in Hamid’s bank account is Rs. 77,000. How much money does Hamid have in his bank account?
