In 10 years, A will be twice as old as B was 10 years ago. If A is now 9 years older than B, the present age of B is ----
A. 19 years
B. 29 years
C. 39 years
D. 49 years
সঠিক উত্তরঃ
C.
39 years
Explanation:
Related Questions (Any University/Year)
- A snapshot measures 5/2 inches by 15/8 inches. It is to be enlarged so that the longer dimension will be 4 inches. What will be the length of the enlarged shorter dimension then?
- একজন ব্যক্তি ২০০৭, ২০০৮ ও ২০০৯ সালের প্রত্যেক বছরই আগের বছরের তুলনায় ১০% বেশি বেতন পেয়ে থাকলে সে ২০০৯ সালে ২০০৭ সালের চেয়ে শতকরা কত বেশি বেতন পেয়েছে ?
- If b<2 and 2x-3b = 0, which of the following must be true?
- The price elasticity is -0.71 means
- When the diameter of a circle is trebled , the area is multiplied by how many times ?
- 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?
- কোন ব্যবসায় ক, খ, ঘ এর মূলধন যথাক্রমে ৩২০, ৪০০ এবং ৪৮০ টাকা। তাদের মূলধনের অনুপাত কত?
- If x+2y=4 and x/4=2 then y is equal to -
- 2x2+x-15- এর উৎপাদক কোনটি ?
- A time-study specialist has set the production rate for each worker on a certain job at 22 units every 3 hours. At this rate what is the minimum number of workers that should be put on the job if at least 90 units are to be produced per hour?
- ৫ ও ৯৫ এর মধ্যে ৫ ও ৩ দ্বারা বিভাজ্য সংখ্যা কতটি?
- 2x+7=4x+2 হলে x এর মান কত?
- 16x2+px+25 রাশিটি পূর্ণবর্গ হতে হলে p- এর মান কত হবে ?
- এক গ্যালন = কত লিটার ?
- In Dhanmondi Lake the current flows at 3 kilometres per hour. The boatmen takes twice as long to travel upstream between two points as it does to travel downstream between the same two points. In still water what is the speed of the boat?
- ০.১ এর বর্গমূল কত?
- log327 এর মান কত?
- Mr. Rahim who is 28 years of age has a son who is 4 years old. In how many years will Mr. Rahim be 4 times as old as his son ?
- The cost of picture frame M is TK. 10.00 less than 3 times the cost of picture frame N. If the cost of frame M is TK. 50.00 , what is the cost of frame N?
- How long will a boy take to run round a square field of side 35 metres, if he runs at the rate of 9km/hr ?