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ഒരു സംഖ്യയുടെ 10 ശതമാനത്തിന്റെ 20 ശതമാനം 10 എങ്കിൽ സംഖ്യ ഏത്?

A100

B50

C1000

D500

Answer:

D. 500

Read Explanation:

സംഖ്യ 'a' ആണെന്നിരിക്കട്ടെ 10/100 × 20/100 × a = 10 a = 10 × 5 × 10 a=500


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