তিন সদস্যের একটি বিতর্ক দলের সদস্যদের গড় বয়স ২৪ বছর। যদি কোনো সদস্যের বয়সই ২১ বছরের নিচে না হয় তবে তাদের কোনো একজনের সর্বোচ্চ বয়স কত হতে পারে?
A. ২৫ বছর
B. ৩০ বছর
C. ২৮ বছর
D. ৩২ বছর
সঠিক উত্তরঃ
B.
৩০ বছর
Explanation:
Related Questions (Any University/Year)
- In a certain class \(\frac{1}{2}\) of the male and \(\frac{2}{3}\) of the female students speak English. If there are \(\frac{3}{4}\) as many females as males in the class, what fraction of the entire class speaks English?
- Six years from now, Afnan's age will be the square of her age six years ago. What is Afnan's age?
- A vendor bought chocolate at 6 for a taka. How many for a taka must he sell to gain 20% ?
- ভারসাম্য রক্ষা করতে নিচের চিত্রের বামদিকে কত ওজন রাখতে হবে?
- X হচ্ছে একটি ধনাত্মক সংখ্যা। যখন X+1 কে ৬ দ্বারা ভাগ করা হয় তখন অবশিষ্ট থাকে ৫। X কে ?? দ্বারা ভাগ করলে অবশিষ্ট থাকে-
- An elevator has a capacity of 20 adults or 24 children. How many children can ride with 15 adults?
- A sport goods store ordered an equal number of white and yellow tennis balls. The tennis ball company delivered 30 extra tennis ball, making the ratio of white balls to yellow balls 6:5, How many tennis ball did the sport goods store originally order?
- If a, b and c are 3 consecutive integers in that order, which of the following has the lowest value?
- Hisham can now purchase 5 more apples with Tk. 75 because of reduction in price by 20%.Calculate the previous price of one dozen of apples.
- The average weekly salary per head of all employees is tk .1000 (Supervisors and labours). the average weekly per head salary of all supervisors is TK. 6000 while the average weekly salary per head of all labours is TK .750 ,if there are 840 labours in it find the number of supervisors
- If (1/ x) + (5 / y )= 4/3 and x=3y then y=?
- How many sixes did he hit?
- The cost price of a table and a chair together is TK. 690. If the table costs 30% more than the chair, then find the cost price of the table and the chair respectively.
- Rahim is paid twice the hourly wages of Selim, Karim is paid one-third of the hourly wage of Karim is delim paid?
- A store has five shelves and the average weekly sale of the store is tk. 30,000. Shelf 1 accounted for 1/4 of the store's average weekly sales and stores 2 and 3, each accounted for 2/3 as much as shelf 1. If shelf 4 alone accounted for as much as shelf 1 then, which of the following could have been the average weekly sales of shelf 5 for the store?
- 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?
- If 2x+2x+2x+2x=2n, what is x in terms of n?
- চিনির দাম ২০% কমল, কিন্ত চিনির ব্যবহার ২০% বৃদ্ধি পেল। এতে চিনি বাবদ ব্যয় শতকরা কত বাড়ল বা কমল?
- A car must complete a 180-km trips in 4 hours. If he averages 50 km an hour for the first three hours of his trip, how fast must he travel in the final hour?
- At East West University, the faculty-to-student ratio is 1:9. If two-third of the students are female and one-quarter of the faculty is female, what fraction of the combined students and faculty is female?
- যদি x : y=২ : ৩ এবং y : z=৪ : ৫ হয়, তাহলে x : y : z = ?
- 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:
- 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?
- 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‘?
- একটি উড়োজাহাজ ঘন্টায় ২৮০ মাইল গতিতে ৬ ঘন্টায় কোনো একটি নিদিষ্ট দূরত্ব অতিক্রম করে। উক্ত দূরত্ব ২ ঘন্টায় অতিক্রম করতে হলে উড়োজাহাজটির গতি কত হবে?