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प्रश्न
Find the odd one out of the following and give reason.
विकल्प
`(-3)/7`
`(-9)/15`
`(+24)/20`
`(+35)/25`
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उत्तर
`bb((-3)/7)`
Explanation:
(a) `(-3)/7`
Numerator is –3 and denominator is 7.
(b) `(-9)/15`
Reduced form of `(-9)/15` is `((-9) ÷ 3)/(15 ÷ 3) = (-3)/5`
Numerator is –3 and denominator is 5.
(c) `(+24)/20`
Reduced form of `24/20` is `(24 ÷ 4)/(20 ÷ 4) = 6/5`
Numerator is 6 and denominator is 5.
(d) `(+35)/25`
Reduced form of `35/25` is `(35 ÷ 5)/(25 ÷ 5) = 7/5`
Numerator is 7 and denominator is 5.
Except (a), all others have the same denominator i.e., 5.
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