৩১০৯১
Seats for Mathematics, Physics and Biology in a university are in the ratio 5: 7: 8, There is a proposal to increase these seats by 40% , 50% and 75% respectively. what will be ratio of increased seats?
উত্তর
2: 3: 4
৩১০৯২
The captain of a cricket team of 11 members is 26 years old and the wicket keeper is 3 years older. If the ages of these two are excluded, the average , the average age of the remaining players is one year less than the average age of the whole team. what is the average age of the whole team?
উত্তর
23 years
৩১০৯৩
Tom, Dick and Harry went for lunch to a restaurant. Tom had Tk. 100 with him. Dick had Tk. 60 and Harry had Tk. 40. They got a bill for Tk. 104 and decided to give a tip of Tk. 16. They further decided to share the total expenses in the ratio of the amounts of money each carried. They amount of money which Tompaid more than what Harry paid is Tk.---
উত্তর
36
৩১০৯৪
If the value of ZYZ company stock drops from Tk. 25 per share to Tk. 21 per share , what is the percent of the decrease?
উত্তর
4%
৩১০৯৫
A box contains 48 balls some red and some black. Each of the followings could be the ratio of red to black balls except ---
উত্তর
4:3
৩১০৯৬
At 10 a.m. two trains started travelling toward each other from stations 287 miles apart. They passed each other at 1:30 pm the same day. They average speed of the faster train exceeded the average speed of the slower train by 6 miles per hour. which of the following represents the speed of the faster train, in miles per hour?
উত্তর
44
৩১০৯৭
A special lottery is to be held to select the student who will live in the only deluxe room in a dormitory. There are 100 seniors, 150 juniors, and 200 sophomores who applied. Each senior's name is placed in the lottery 3 times, each junior's name, 2 times, and each sophomore's, 1 time. What is the probability that a senior's name will be chosen?
উত্তর
3/8
৩১০৯৮
A train can travel 50% faster than a car. Both start from point A at the same time and reach point B, 75 kilometers (km) away from A at the same time. On the way, however, the train had lost about 12.5 minutes while stopping at the station. what is the speed the car?
উত্তর
120 km/hr
৩১০৯৯
In dividing a number by 585, a student employed the method of short division. He divided the number successively by 5,9 and 13 (factors of 585) and got the remainders, 4,8, 12 respectively.If he had divided the number by 585, what would have been the remainders?
উত্তর
16
৩১১০০
A circular wheel 28 inches in diameter rotates (moves) the same number of inches per second as a circular wheel 35 inches in diameter. If the smaller wheel makes x revolutions per second, how many revolutions per minute does the larger wheel make in terms of x?
উত্তর
48x