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प्रश्न
Simplify : `1/2 + (3/2 - 2/5) ÷ 3/10 xx 3` and show that it is a rational number between 11 and 12
उत्तर
`1/2 + (3/2 - 2/5) ÷ 3/10 xx 3`
= `1/2 + ((15 - 4)/10) ÷ 3/10 xx 3`
= `1/2 + 11/10 xx 10/3 xx 3`
= `1/2 + 11`
= `11 1/2`
= `23/2`
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