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Question
`4/5` of 5 kg apples were used on Monday. The next day `1/3` of what was left was used. Weight (in kg) of apples left now is ______.
Options
`2/7`
`1/14`
`2/3`
`4/21`
Solution
`4/5` of 5 kg apples were used on Monday. The next day `1/3` of what was left was used. Weight (in kg) of apples left now is `underlinebb(2/3)`.
Explanation:
Apples used on Monday = `4/5` of 5 = `4/5 xx 5`
= 4 kg
Remaining apples = 5 – 4
= 1 kg
Apples used next day = `1/3` of remaining apples
= `1/3 xx 1` kg
= `1/3` kg
So, the weight of apples left now
= Total apples – Apples used on Monday – Apples used next day
= `(5 - 4 - 1/3)`
= `(15 - 12 - 1)/2` ......[Taking LCM]
= `2/3` kg
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