Last year 7000 students took the admission test were the ratio of girls to boys was 6:4. Only 2% of the boys met the cut-off marks. The number of such boys was:
A. 2800
B. 84
C. 4200
D. 140
E. 56
সঠিক উত্তরঃ
E.
56
Explanation:
Related Questions (Any University/Year)
- The average age of a man and his son is 20. After 10 years, their age will be in the ratio 2:1. What was the age of the man and his son 5 years ago respectively?
- If 2n=n2, then which of the following must be true?
- After working for a total of 4 hours at a temporary job, Shams was told that you had just completed ¼ of the job. How long should it take you to finish the remaining part of the job?
- If P and Q are positive integers, which CANNOT be the greatest common divisor of P and Q?
- Ajay ranked sixteenth from the top and twenty-ninth from the bottom among those who passed an examination. Six boys did not participate in the competition and five failed in it. How many boys were there in the class?
- A river boat travels upstream at 6 km/h and returns downstream at 9 km/h. What is the average speed for the round-trip?
- The quantity of water that should be added to reduce 10mI lotion containing 60% alcohol to a lotion containing 40% alcohol is
- Running at the same constant rate, 6 identical machines can produce a total of 270 bottles per minute. At this rate, how many bottles could 10 such machines produce in 4 minutes?
- চারটি মেশিন একই গতিতে একসাথে কাজ করে ৬ দিনে - x টি কলম উৎপাদন করতে পারে। ঐ একই গতিতে ৪ দিনে ৩x টি কলম উৎপাদন করতে কতটি মেশিনের কাজ করতে হবে?
- Jamal is now 7 times as old as Jashim. If 10 years from now, he will be 3 times as old as Jashim, how old is Jamal now?
- Arif bought 17 pens of three colors black , green and red. They cost Tk 5,Tk 10 and Tk 25 each respectively . The total amount that Arif paid was Th 205. If Arif bought twice as many green pens as red pens ,how many black pens did buy ?
- Tom and Bill agreed to race across a 50 foot pool and back again. They started together but Tom finished 10-ft ahead of Bill. If their rates were constant and Tom finished the race in 27 seconds, how long did Bill take to finish it?
- A train running at the speed of 60 km/hr crosses a pole in 9 seconds, what is the length of the train?
- Two tailors X and Y are paid a total of Tk. 550 per week by their employer. If X is paid 120 percent of the sum paid of Y. How much is Y paid per week?
- A dishonest milkman professes to sell his milk at cost price but he mixes it with water and there by gains 25% . The percentage of water in the mixture is:
- 40% of students in a class are smart. The rest are stupid. Half the students play sports and half don't. If 20% of the students are smart and play sports, what percent of the students are stupid and don't play sports?
- ঢাকা থেকে চট্টগ্রামের দূরত্ব ২৪০ কি. মি.। একটি বাস ঘণ্টায় ৬০ কি. মি. গতিতে গিয়ে ঘণ্টায় ৪০ কি. মি. গতিতে ফিরে এল। বাসটির গড় গতিবেগ কত?
- A can do a work in 15 days and B in 20 days. If they work on it together for 4 days, then the fraction of the work that is left is:
- ডাক্তার রোগীকে প্রতি ২ ঘন্টা পর পর খাওয়ার জন্য ৬টি বড়ি দিলেন। শেষ বড়িটি রোগী কত ঘণ্টা পরে খাবেন?