একটি ভর্তি পরীক্ষায় একজন শিক্ষার্থীর প্রতিটি সথিক উত্তরের জন্য ১ নম্বর অর্জন করে এবং প্রতিটি ভুল উত্তরের ০.৫ নম্বর হারায়। কোন শিক্ষার্থী যদি ৬০ টি প্রশ্নে সবকটির উত্তর দিয়ে ৩০ নম্বর অর্জন করে থাকে , তাহলে ,উক্ত শিক্ষার্থী কয়টি প্রশ্নের সঠিক উত্তর দিতে পেরেছে?
A. 40
B. 30
C. 45
D. 50
সঠিক উত্তরঃ
A.
40
Explanation:
Related Questions (Any University/Year)
- Y is four times as old as X. After 6 years, the sum of half of X's age and a fourth of Y's age will be the same as three times the present age of X. How old will X be after 6 years?
- ♠️n denotes the number obtained when n is rounded to the nearest 10th. For example ♠️4.31 = 4.3 ♠️0.089 - ♠️1.135 =
- Fine for carpool lane violation is \(133. Bench warrant for \(229.25 includes 15% fee. How many unpaid tickets?
- ৩ হচ্ছে একটি সংখ্যার ১২%, তাহলে একই সংখ্যার ২০% কত হবে?
- If Ruby walks to work at a rate of 2 miles per hour, but she walks home by the same route at a rate of 3 miles per hour, what is Ruby's average walking rate in miles for the round trip?
- যদি দুইজন টাইপিস্টের দুই পৃষ্ঠা টাইপ করতে দুই মিনিট সময় লাগে তাহলে ছয় মিনিটে আঠার পৃষ্ঠা টাইপ করতে কতজন টাইপিস্ট লাগবে?
- A man on tour travels first 160 km at 64 km/hr and the next 160 km at 80 km/hr. The average speed for the first 320 km of the tour is:
- A machine puts c caps on bottles in m minutes. How many hours will it take to put caps on b bottles?
- Anwar is 3 times as old as Babu. In 13 years, Anwar will be 1 year younger than twice Babu's age. How old is Anwar now?
- If X4=81 and Y2=49, then maximum possible value for Y-X is
- Ratio between two numbers is 2:3 and their sum is 400. The greater of the two number is
- A student who secures 20% marks in a test fails by 30 marks. Another student who secures 32% marks get 42 marks more than those required to pass. Pass percentage of marks is
- If 8+√k =15 ;then k=?
- A man purchased equal number of bananas at two different rates-one at the rate of 8 taka per dozen and the other at the rate of 10 taka per dozen. After that, he sold those bananas at an average rate of 11 taka per dozen and thus made a profit of 100 taka. How many dozens of banana did he purchase altogether?
- ডলার প্রতি ৮৬ টাকা বিনিময় হার এবং গড় পরিবার আকার ৫ ধরা হলে বার্ষিক ২০৬৪ ডলার মাথাপিছু আয় হবে, গড় পরিবার পিছু মাসিক .......... টাকা আয়ের সমান।
- On a 400-mile trip, car X traveled half the distance at 40 miles per hour and the other half at 50 miles per hour. What was the average speed of car X?
- Mother's age today is thrice as her daughter's . After 10 years it would be just double. How old is the daughter today?
- The difference between two positive numbers is 16. If the smaller of those two numbers is 3/5th of the larger, what is the value of the smaller number?
- Two nations produce 1/5 and 3/10 respectively , of The world production of aluminum. What fraction of the world production do the others nation's Produce?
- If -4 <x< 12 and -2 < y < 13 which of the following numbers represent the of maximum value (y-x)?'
- Pavel was cycling at 30 km/h and was passed by Ratan who was cycling at 40km/h. If Ratan cycles for c minutes at his speed and then stops, how long in minutes, will it take for Pavel to reach him?
- এক কিলোমিটার এক মাইলের কত অংশের সমান?
- A chemist was preparing a solution that should have included 35 milligrams of a chemical. If she actually used 36.4 milligrams, what was her percentage error( to the nearest 0.01%)?
- যদি 2x+5=3x-12 হয়, তাহলে x এর মান কত?
- what is the circumference radius of a triangle whose sides are 7,24 and 25 respectively?
- ভারসাম্য রক্ষা করতে নিচের চিত্রের বামদিকে কত ওজন রাখতে হবে?
- সাকিবের ১০ ইনিংসের রানের গড় ৪৫.৫। ১১তম ইনিংসে কত রান করে আউট হলে সব ইনিংস মিলিয়ে তার রানের গড় ৫০ হবে?
- 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 ?
- 150 meter long train takes 10 seconds to pass a man who is going in the same direction at the speed of \(2~km/hr.\) what is the speed of the train?
- If 2x+2x+2x+2x=2n, what is x in terms of n?
- Mary had a number of cookies. After eating one, she gave has of the remaining to her sister. After eating another cookie, she gave half of what was left to her brother. Mary now had only five cookies, How many cookies did she start with?
- The difference between a number and its three-fifth is 50. what is the number?
- If the 8% tax on a cell amounts to 96¢, what is the final price( tax included) of the item?
- X:Y=3:4 হয় 3Y-X:2X+Y কত হবে?
- 4/5 কে শতকরায় প্রকাশ করলে কত হয়?
- In a library system with 6 brances, 60 workers are employed. If no library has fewer than 7 workers and ne more then 11, what is the minimum number of workers in any two of the brances?
- A certain recipe calls for 3kgs of sugar for every 6 kgs of flour.If 60kgs of this sweet has to be prepared,how much sugar is required?
- A and B together can complete a piece of work in 72 days, B and C together in 120 days and A and C together in 90 days. A, B and C together can complete the work in?
- তাজক ভাগকলের ১০ গুল, তাজক ০ হলে ভাজ্য কত?
- The foot of a ladder is 2m away from a vertical wall. The height of the top of the ladder is 2.m less than the length of the ladder. What is the length of the ladder?
