১২৪২১
In a university, 80 percent of the students lived in hostel, and 60 percent of the hostel students are lucky to get a single room. If number of lucky students is 1200, then how many students were there in the university?
উত্তর
2500
১২৪২২
In a mixture of 60 liters, the ratio of milk and water is 2 : 1. What amount of water must be added to make the ratio of milk and water as 1 : 2?
উত্তর
60 liters
১২৪২৩
Running at the same constant rate, 6 identical machines can produce a total of 270 bottles per minute. At this rate, how many bottles could 10 such machines produce in 4 minutes?
উত্তর
1800
১২৪২৪
If Tk. 4,500 was invested in a share when the price per share was Tk. 9 and Tk. 3,000 was invested in another share when the price per share was Tk. 10. What was the average price per share purchased?
উত্তর
Tk. 9.375
১২৪২৫
The value of a machine is Tk. 6,250. Its value decreases by 10% during the first year, 20% during second year and 30% during the third year. What will be the value of the machine after 3 years?
উত্তর
3150
১২৪২৬
A buzzer sounds every 15 minutes. If the buzzer sounded at 12.40, which of the following could be a time at which the buzzer sounded?
উত্তর
8.10
১২৪২৭
Son's age is now one-third of father's age. In twelve years from now son's age will be one half of the father's age. What is the son's age in years now?
উত্তর
12
১২৪২৮
A project has 3 test cases. Three teams are formed to study the 3 different test cases. Mr. X is assigned to all three teams. Except for Mr. X, each member is assigned to exactly one team. If each team has exactly 6 members, then what is the exact number of members required?
উত্তর
16
১২৪২৯
If five students run a mile in 5 minutes, then how much time will 50 students take to run a mile?
উত্তর
5 min
১২৪৩০
Five persons are travelling in a train-A, B. C, D and E. A is the mother of C who is the wife of E. D is the brother of A and B is the husband of A. How is B related to E?
উত্তর
Father in Law