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
Find the multiplicative inverse `(-5)/8 xx (-3)/7`
Find the multiplicative inverse of `1/5`
Is `8/9` the multiplicative inverse of -1 `1/8`? Why or why not?
Find the multiplicative inverse (reciprocal) of each of the following rational numbers:
−7
Which of the following illustrates the inverse property for addition?
The reciprocal of –1 is ______.
If y be the reciprocal of rational number x, then the reciprocal of y will be ______.
The reciprocal of a non-zero rational number `q/p` is the rational number `q/p`.
Simplify
`32/5 + 23/11 xx 22/15`
Simplify
`7/8 + 1/16 - 1/12`
