Advertisements
Advertisements
प्रश्न
By what numbers should we multiply `(-15)/20` so that the product may be `(-5)/7`?
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 (reciprocal) of each of the following rational numbers:
−7
Verify the additive and multiplicative inverse property for the rational numbers `(-7)/17` and `17/27`
The reciprocal of any rational number `p/q`, where p and q are integers and q ≠ 0, is ______.
The reciprocal of `(-3)/8 xx ((-7)/13)` is ______.
The multiplicative inverse of `4/3` is ______.
1 is the only number which is its own reciprocal.
Simplify
`3/7 + (-2)/21 xx (-5)/6`
If 16 shirts of equal size can be made out of 24 m of cloth, how much cloth is needed for making one shirt?
From a rope 40 metres long, pieces of equal size are cut. If the length of one piece is `10/3` metre, find the number of such pieces.
One fruit salad recipe requires `1/2` cup of sugar. Another recipe for the same fruit salad requires 2 tablespoons of sugar. If 1 tablespoon is equivalent to `1/16` cup, how much more sugar does the first recipe require?
