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ഒരു സംഖ്യയുടെ 30% ഉം 20% ഉം തമ്മിലുള്ള വ്യത്യാസം 118 ആണ്. എങ്കിൽ ആ സംഖ്യയുടെ 25% എത്രയായിരിക്കും ?

A174

B178

C295

D280

Answer:

C. 295

Read Explanation:

സംഖ്യ = X (X ന്റെ 30%) - (X ന്റെ 20%) = 118 (X × 30/100) - (X × 20/100) = 118 X ന്റെ 10% = 118 X × 10/100 = 118 X = (118 × 100)/10 X = 1180 X ന്റെ 25% = (25/100) × 1180 = 295


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