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ഒരു സംഖ്യയുടെ 80 ശതമാനത്തോട് 80 കൂട്ടിയാൽ ആ സംഖ്യ തന്നെ കിട്ടും . സംഖ്യ ഏത് ?

A80

B800

C200

D400

Answer:

D. 400

Read Explanation:

സംഖ്യ = A ആയാൽ A × 80/100 + 80 =A A - 80A/100 = 80 20A/100 = 80 A = 80 × 100/20 = 400


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