Question: Mr. Ali decided to walk down the escalator of a tube station. He found that if he walks down 26 steps, he requires 30 seconds to reach the bottom. However, if he steps down 34 stairs he would only require 18 seconds to get to the bottom. If the time is measured from the moment the top step begins to descend to the time he steps off the last step at the bottom, find out the height of the stair way in steps?

Question 1: Mr. Ali decided to walk down the escalator of a tube station. He found that if he walks down 26 steps, he requires 30 seconds to reach the bottom. However, if he steps down 34 stairs he would only require 18 seconds to get to the bottom. If the time is measured from the moment the top step begins to descend to the time he steps off the last step at the bottom, find out the height of the stair way in steps?

View topic: বিবিধ সমস্যা (Miscellaneous Problem)

23 steps

16 steps

46 steps

26 steps

Source: Janata Bank Ltd - Executive Officer - 27.7.2012

Answer: 46 steps

Explanation:

Write Reply...

You should read | Questions

After paying 10% tax on all income over Tk. 3000. Rahima had a net income of Tk. 12000. Rahims income before tax was-

What is the minimum number of sweets that must be added to an existing batch of 240 sweets, so that the total batch can equally be divided among 2,5 and 7 persons?

5% of which number is 25?

M is older than N but younger than O. If m, n and o are the ages of M, N and O respectively, then which of the following is true?

১৫ কেজি চাল ২৫৫ টাকায় পাওয়া যায়। ৩৪০ টাকায় কত কেজি চাল পাওয়া যাবে?

A wheel rotates 10 times per minutes and moves 20 m during each rotation . How many feet does the wheel move in 1 hours?

১৪+১১২+১১৩=?

If x is an even number, what is the difference between the smallest even number greater than (5x + 6) and the largest even number less than (3x + 9)?

৪০ সংখ্যাটি a হতে ১১ কম। পাণিতিক আকারে প্রকাশ করলে কি হবে?

x2+y2=4 এবং xy=7 হলে (x+y)2 এর মান কত?

View all Questions

You should read | Topic

নল ও চৌবাচ্চা (Pipes and Cistern)

Articles

নাটক

ঐকিক নিয়ম (Unitary Method)

মহাদেশ ও দেশ পরিচিতি

নৌকা ও স্রোত (Boat and Stream)

অনুকার শব্দ, ধ্বন্যাত্মক শব্দ ও শব্দদ্বৈত

পদ প্রকরণ

অর্থনীতি

ট্রেন ও গতিবেগ (Train & Speed)

Articles

0

Comments

0

Rating

0

Login