In a certain class, 40% of the students are girls, and 20% of the girls wear glasses. What percent of the children in the class are girls who wear glasses?
A. 6%
B. 8%
C. 20%
D. 60%
E. 80%
সঠিক উত্তরঃ
B.
8%
Explanation:
Related Questions (Any University/Year)
- 8 টি বানর 8 মিনিটে 8 টি কলা খায় , 3টি বানরের 3 টি কলা খেতে কত মিনিট লাগবে ?
- In his pocket , a boy has 3 red marbles , 4 blue marbles , and 4 green marbles , How many marbles will he have to take out of his pocket to ensure that he has taken out at least one of each colour?
- If 25% of x equals 30% of y and 24% of y equals 20% of z, what is the ration of x to z?
- A nut mixture consists of peanuts, pistachios, and macadamia nuts in the ratio 5:3:2, respectively, by weight. What amount of pistachios will be in 40 pounds of the mixture?
- One City-bus charges BDT 'p' for the first half-kilometer of a trip and BDT 'p/8' for each additional half- kilometer. What is the charge for a trip whose distance in kilometers is the whole number 'q'?
- current age ratio of father and son is 7:2 After 5 years, their age ratio will be 8:3 what is the corrent age of father?
- If y*x=y2x for all positive integers than (3*4)*2 =
- If one man or two women or three boys can finish a job in 66 days, then find out the number of days in which that work can be done by one man, two women, and three boys.
- যদি '+' মানে 'x','-' মানে '+', 'x' মানে '÷' এবং '÷' মানে '-' হয়, তাহলে মান নির্ণয় করুন; \(6-9+8\times3\div20=......\)
- কোনো বৃত্তের ব্যাসার্ধ যদি ২০% কমে, তবে উক্ত বৃত্তের ক্ষেত্রফল কত % কমবে ----
- From 1 to 30, how many are the basic numbers?
- \(x=y-(50/y)\), where x and y are both positive numbers. If the value of y is doubled, the value of x will.
- Sharif ran a 2 mile race at an average speed of 8 miles per hour. If arif ran the same race at an average speed of 6 miles per hr. How many minutes longer than sharif did arif take to complete the race?
- Seven (7) is 5% of which number?
- The cost of two litres of Oil and its container is Tk. 100. If the cost of the container is Tk. 23 less than the cost of one litre of Oil, what is the cost of one litre of Oil ?
- If a family was randomly picked from the families in the previous question, what is the probability (approximately) of that family having working mothers as member?
- A sink contains exactly 12 liters of water. If water is drained from the sink until it holds exactly 6 liters of water less than the quantity drained away, how many liters of water were drained away?
- Instructions: DO NOT USE CALCULATOR. Figures are not drawn to scale. If \(x > y > 1\), which of the following must be greater than x?
- The electric company charge: Tk 0.3 per KWH. Rahim used 2800 KWH in April, 3200 KWH in May, and 3600 KWH in June. What was his average costs of electricity in taka for the 3 months?
- In the figure above area of the inscribed rectangle is 32. The circumference of the circle is-
- If an inspector rejects 0.08% reject of a product as defective, how many products will he examine in order to reject 2?
- সঠিক বন্ধনীর ব্যবহার হয়েছে নিচের কোন সমীকরণে?
- The ratio of Pens and Pencils in a shop is 3 : 2 respectively . The average number of Pens and Pencils is 180. What is the number of Pencils in the shop?
- The cost of 4 pens is equal to the cost of 6 pencils. The cost of a CD is equal to the cost of 4 pencils and the cost of a book is equal to the cost of 6 pens. What is the ratio of the cost of a book to the cost of a CD?
- ৬ হচ্ছে একটি সংখ্যার ২৪%, তাহলে একই সংখ্যার ৪০ হবে?
- Working independently, Sourodip can perform a certain task in 6 hours and Eshanee can perform it in 7 hours. If Sourodip and Eshanee work together for 3 hours, and then Sourodip leaves, how many hours will it take Eshanee to complete the task alone?
- A scientist needs a 10% saline solution for an experiment .In his closet ,he finds a 20 ounce bottle of 25% saline solution.How many ounces of pure water should he add to the mixture to produce the correct saline solution?
- A and B can do a job in 12 days, B and C can do the job in 18 days and A and C can do the job in 9 days. In how many days A alone can finish the work?
- একটি পরীক্ষায় ৫২% পরীক্ষার্থী ইংরেজিতে এবং ৪২% পরীক্ষার্থী গণিতে ফেল করল। যদি উভয় বিষয়ে ১৭% ফেল করে তবে কয়জন পরীক্ষার্থী উভয় বিষয়ে পাশ করে?
- A এবং B একটি কাজ ৮ ঘন্টায় সম্পন্ন করতে পারে। C এবং D একই কাজ ১২ ঘন্টায় সম্পন্ন করতে পারে। যদি চারজন একই সাথে কাজ করে, তাহলে উক্ত কাজটি সম্পন্ন করতে আনুমানিক কত সময় লাগবে?
- If P denotes + Q denotes - R, denots +and S denotes X, then what is the value of 18s36R12Q6p7?
- Laila invested Tk 10000 in a new mutual fund account exactly 3 years ago. The value of the account is increased by 10 percent during the first year, increased by 5 percent during the second year and decreased by 10 percent during the third year. What's the value of the account today?
- The Warm Muffin Bakery's cookie sales are always 60 precent of its muffin sales. What would be the increase in The Warm Muffin Bakery's cookie sales if its muffin sales, increased from 10,000 to 20,000?
- A wholesaler ordered 120 units of a certain product from its producer. The product would be sold at a price of BDT 500 each which was marked 20% over its initial cost. However, the wholesaler could not sell 12 units of that product which were returned to the producer for a refund of 50% of the wholesaler's initial cost. What was the wholesaler's approximate profit or loss as a percentage of his initial cost for the 120 units?
- যদি x<y, 2x=A এবং 2y=B হয়, তাহলে-
- How many sixes did he hit?
- Farhana earns Tk 5 00 for every hour she works in a book store. Last week she worked for.v hours. She purchased y kg of rice. Price of per kg rice is Tk. 12.00. She saved the remaining amount. Which expression below shows her savings?
- 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?
- You can now purchase 5 more bananes with tk. 75 due to a reduction in price by 20% Calculate the current price of one dozen of bananas
- If -4 <x< 12 and -2 < y < 13 which of the following numbers represent the of maximum value (y-x)?'