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ഒരു സംഖ്യയുടെ 20% എന്നത് 40 ൻ്റെ 30% ആണ്. സംഖ്യ ഏത് ?

A90

B60

C80

D70

Answer:

B. 60

Read Explanation:

40 ൻ്റെ 30% = 40×(30100)=12 40 \times (\frac {30}{100}) = 12

x ൻ്റെ 20% = x×(20100)=12 x \times (\frac {20}{100}) = 12

x = 12×10020=60 \frac {12 \times 100 } {20} = 60


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