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?
A. 30
B. 40
C. 50
D. 60
E. None
সঠিক উত্তরঃ
A.
30
Explanation:
Related Questions (Any University/Year)
- Rayaan 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?
- The daily rate of a hotel room that accommodates 4 people is Taka 3900 for one person and Taka x for each additional person. If 3 people take the room for one day and each pays Taka 2100 for the room, what is the value of x?
- The population of City X is 40% percent of the population of City Y. The population of City X is what percent of the total population of city X and City y together?
- If 1/x+5/y4/3 and x = 3y, then y = ?
- There is 50% chance that Rafiq will go to a fast-food restaurant for lunch and 50% chance that he will skip lunch. If he goes to a fast-food restaurant there is 60% chance that he will take only a sandwich and nothing else. If he decides not to take a sandwich, he will take a burger of a chicken pie. What is the probability that he will take a burger?
- Lima is 6 years older than her sister Sharmin, and Jamal is 5 years older than Lima. If the total of their ages is 41, how old is Jamal?
- Rahman is twice as old as Shermin. In y years Shermin will be 1.5 times older than she is now. What is Shermin's age?
- In a certain shipment 2% of the boxes shipped were damaged. If the loss per damaged box was Tk. 35 and the total loss due to damage was Tk. 700, how many boxes were shipped?
- 6 pints of a 20 percent solution of alcohol in water are mixed with 4 pints of a 10 percent alcohol in water solution. The percentage alcohol in the new solution is
- If 6 workers can complete 9 identical job in 3 days, how long will it take 4 workers to complete 10 such jobs ?
- দুটি সংখ্যার পার্থক্য (1F)16। একটি সংখ্যা (62)10 হলে, অপর সংখ্যাটি কত?
- একটি সংখ্যার ৪ গুণের সাথে ১০ যোগ করলে উত্তর হয় সংখ্যাটি ৫ গুণ অপেক্ষা ৫ কম । সংখ্যাটি কত?
- Of the following, which is the closest to (6.01 x 501)/(25.05 x 19.99)?
- If 0≤x≤5 and y<15, which of the following cannot be a possible value of xy?
- The closest approximation to the value of sqrt(4/5)" " is
- The batting average for 40 innings of a cricket player is 50 runs. His highest score exceeds his lowest score by 172 runs. If these two innings are excluded then the average of the remaining 38 innings becomes 48 nuns. what is his highest score?
- Sume of the examloees came from North South University to BUP and shock hands with one another before the admission test. The totalnumber of hand-shakes was 6 How many examinees were from North South University?
- ৬ হচ্ছে একটি সংখ্যার ২৪%, তাহলে একই সংখ্যার ৪০ হবে?
- In a sports club with 30 members, 17 play badminton and 19 play tennis and 2 do not play either. How many members play both badminton and tennis?
- নৌকা ও স্রোতের বেগ ঘন্টায় যথাক্রমে ১০ ও ২ কিমি। স্রোতের বিপরীতে ৩৬ কিমি পথ অতিক্রম করতে ??ত সময় লাগবে?