SSC CGL Tier-II practice question
A 12 m tall building casts a shadow of 8 m at a certain time of the day. At the same time, a vertical pole with a flag on top casts a shadow of 15 m. If the height of the flag alone is 3 m, find the height of the pole.
From a SSC CGL Tier-II General Awareness practice set · General Awareness
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Correct answer: (C) 19.5 m
The ratio of height to shadow for the building is 12/8 = 1.5. Using the same ratio for the pole's total height: 1.5×15 = 22.5 m. Subtracting the 3 m flag gives the pole's height = 22.5−3 = 19.5 m.
हिंदी में प्रश्न
एक 12 m ऊँची इमारत िदन के एक िनि त समय पर 8 m की छाया बनाती है। उसी समय , एक ऊध्वा धर खंभे , िजसके शीष पर ध्वज लगा हुआ है , की 15 m की छाया बनती है। यिद केवल झंडे की ऊँचाई 3 m है , तो खंभे की ऊँचाई ात कीिजए।
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सही उत्तर: (C) 19.5 m
इमारत की ऊँचाई और छाया का अनुपात 12/8=1.5 है। इसी अनुपात से पोल की कुल ऊँचाई = 1.5×15=22.5मी। झंडे के 3मी घटाने पर पोल की ऊँचाई = 19.5मी.
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