IB ACIO Grade II previous year question
Sum of present ages of A,B,C is 283 years. 17 years ago, ratio was 10:8:11. Find present age of C.
Asked in IB ACIO Grade II (16 Sep 2025 Shift 1) · Quantitative Aptitude
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Correct answer: (A) 105
Sum 17 yrs ago = 283 − 3×17 = 232. Ratio parts sum = 10+8+11 = 29; each part = 232/29 = 8. C's age 17 yrs ago = 11×8 = 88; present age = 88+17 = 105.
हिंदी में प्रश्न
A, B और C की वर्तमान आयु का योग 283 वर्ष है। 17 वर्ष पूर्व उनकी आयु का अनुपात 10:8:11 था। C की वर्तमान आयु ज्ञात कीजिए।
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सही उत्तर: (A) 105
17 वर्ष पूर्व योग = 283 − 3×17 = 232. अनुपात भाग योग = 29; प्रत्येक भाग = 232/29 = 8. C की 17 वर्ष पूर्व आयु = 11×8 = 88; वर्तमान आयु = 88+17 = 105.
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