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प्रश्न
Find the value of:
1. 32 - 0.91
बेरीज
उत्तर
Let x = 1.32 ....(i)
⇒ 100x = 132.32 ....(ii)
Subtracting (i) from (ii),
99x = 131
⇒ x = `(131)/(99)`
Let y = 0.91
⇒ 10y = 9.1 ....(iii)
⇒ 100y = 9.1 ....(iv)
Subtracting (iii) from (iv),
90y = 82
⇒ y = `(82)/(90)`
= `(41)/(45)`
∴ 1.32 - 0.91 = x - y
= `(131)/(99) - (41)/(45)`
= `(131 xx 5 - 41 xx 11)/(495)`
= `(655 - 451)/(495)`
= `(204)/(495)`
= 0.412
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