Advertisements
Advertisements
प्रश्न
By what number should `(-5)/7` be divided so that the result is `(-15)/28`?
बेरीज
Advertisements
उत्तर
Consider the number as x
`(-5)/7 ÷ (-15)/28`
It can be written as
`(-5)/7 xx 1/x = (-15)/28`
By further calculation
`(-5)/(7x) = (-15)/28`
So we get
`x = 5/7 xx 28/15 = 4/3`
`x = 1 1/3`
shaalaa.com
Concept for Problem Solving Using Operations on Rational Numbers
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
APPEARS IN
संबंधित प्रश्न
Fill in the blank:
`(-5)/8` and `3/10` are on the ________ side of zero
Fill in the blank:
`-5/8` and `-3/10` are on the ________ side of zero.
Add: `(-9)/25 "and" 1/-75`
Evaluate: `(- 7)/6 + 4/-15 + (-4)/-30`
Evaluate: `- 11/18 + (-3)/9 + 2/-3`
Evaluate: `((-8)/9) xx ((-3)/16)`
Evaluate: `(7/8 xx 8/7) + ((-5)/9) xx (6/-25)`
The product of two numbers is 14. If one of the numbers is `(-8)/7`, find the other.
Evaluate: `(- 3)/8+ (-5)/12`
Evaluate:
`((-13)/7 xx (- 35)/39) - ((-7)/45 xx (9)/14)`
