AP Police Constable previous year question
If the ratio of three integers a, b, c is 3 : 4 : 5 and their sum is 252, then the ratio of c and 147 is:
Asked in AP Police Constable Prelims: 2016 (06 Nov 2016) · Quantitative Aptitude
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Correct answer: (B) 5 : 7
Given:
Sum of numbers = 252
Ratio = 3 : 4 : 5
Calculation:
Let a, b, and c be 3x, 4x and 5x respectively
⇒ 3x + 4x + 5x = 252
⇒ x = 21
c = 5x = 105
∴ Required ratio = 105 : 147 = 5 : 7
हिंदी में प्रश्न
మూడు పూర్ణాంకాలు a, b, c ల నిష్పత్తి 3 : 4 : 5 మరియు వాటి మొత్తం 252 అయితే, c మరియు 147 ల నిష్పత్తి:
उत्तर जाँचने के लिए किसी विकल्प पर टैप करें।
उत्तर और व्याख्या देखें
सही उत्तर: (B) 5 : 7
दिया गया है: संख्याओं का योग = 252, अनुपात = 3:4:5। गणना: मान लीजिए a, b, c क्रमशः 3x, 4x और 5x हैं ⇒ 3x+4x+5x=252 ⇒ x=21। c = 5x = 105। ∴ आवश्यक अनुपात = 105:147 = 5:7।
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