Subject
Bank Exam
Topic
Prabashi Kallyan Bank Ltd Officer Cash - 25.09.2021
A takes 2 hours more than B to walk d km, but if A doubles his speed, then he can make it in 1 hour less than B. How much time does B require for walking d km?
A takes 2 hours more than B to walk d km, but if A doubles his speed, then he can make it in 1 hour less than B. How much time does B require for walking d km?
ক)
d/2 hoursখ)
5 hoursগ)
4 hoursঘ)
d/3 hoursExplanation
মনে করি , d km যেতে B এর সময় লাগে =1 ঘণ্টা অতএব " " A " " " =t+2 " এখন ,A এর গতি দ্বিগুণ করলে সময় লাগবে =(t+2)/2 ঘণ্টা প্রশ্নমতে , t-(t+2)/2=1 (2t-t-2)/2=1 t-2=2 t=4 ঘণ্টাRelated questions
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