Subject
Bank Exam
Topic
সমন্বিত ১০ ব্যাংক ও আর্থিক প্রতিষ্ঠান (অফিসার - সাধারণ) - ০৮.০৩.২০২৪
In a 500m race, the ratio of speeds of two contestants A and B is 3 : 4. A has a start of 140m. Then A wins by-
In a 500m race, the ratio of speeds of two contestants A and B is 3 : 4. A has a start of 140m. Then A wins by-
ক)
60mখ)
40mগ)
20mঘ)
10mExplanation
To reach the winning post A will have to cover a distance of (500 - 140) m = 360 m. While A covers 3 m, B covers 4 m. While A covers 360 m, B covers (4/3) × 360) = 480 m. Thus, when A reaches the winning post, B covers 480 m and therefore remains 20 m behind. ∴ A win by 20 m.Related questions
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