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ഒരു സംഖ്യയുടെ പകുതിയോട് 10 കൂട്ടിയാൽ കിട്ടുന്നതും 400 ൻ്റെ 20% ഉം തുല്യം ആയാൽ സംഖ്യ എത്ര?

A140

B120

C160

D180

Answer:

A. 140

Read Explanation:

സംഖ്യ X ആയാൽ X/2 + 10 = 400 × 20/100 X/2 + 10 = 80 X/2 = 80 - 10 = 70 X = 70 × 2 = 140


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