Subject
Quantitative Aptitude
Topic
Miscellaneous
A TV tower 36 metres high casts a shadow of 24 metres at a particular time of a day.What is the height of a minar with a three metre high flagstaff a top it,if both of these together cast a shadow of 50 metres at the same time of the day?
A TV tower 36 metres high casts a shadow of 24 metres at a particular time of a day.What is the height of a minar with a three metre high flagstaff a top it,if both of these together cast a shadow of 50 metres at the same time of the day?
ক)
64 mখ)
72 mগ)
75 mঘ)
none of theseExplanation
(প্রশ্নঃ দিনের কোনো এক সময় ৩৬ মিটার উচু একটি টেলিভিশন টাওয়ারের ছায়ার দৈর্ঘ্য হয় ২৪ মিটার।দিনের সেই সময়ে শীর্ষে ৩ মিটার উচু একটি পতাকা লাগানো কোন মিনারের পতাকাসহ ছায়ার দৈর্ঘ্য ৫০ মিটার হলে,মিনারের উচ্চতা কত?) ছায়ার দৈর্ঘ্য ঃপ্রকৃত দৈর্ঘ্য =২৪ঃ৩৬ =১ঃ(৩৬/২৪) =১ঃ(৩/২) =৫০ঃ(৩/২)×৫০ =৫০ঃ৭৫ অতএব মিনারের উচ্চতা=(৭৫-৩)=৭২ মিটারRelated questions
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