৪৫৯৪
There are 30 pens in a drawer , 60% of them ate red and the rest are blue. what is the minimum number of pens that must be taken from the drawer without looking in order to be chosen?
উত্তর
20
৪৫৯৫
If the product of two numbers is 10 and sum of the two numbers is 7, which is the larger of the two numbers?
উত্তর
5
৪৫৯৬
Plane P take off at 2:00 am and flies at a constants speed of Xmph. Plane Q takes off at 3:30 am and flies the same forte as plane p but travels at a constant X, how many hours after 3:30 am will plane Q overtake plan P?
উত্তর
5
৪৫৯৭
The table below shows the number of students in three different clubs in Business Administration Discipline of Khulna University. Name of the Club Number of Students chess 40 Drama 30 Debate 25 Although no students is in all the tree clubs, 10 students are in Debate clubs and 6 students are in both Drama and Debate Clubs. How many different students are there in those three clubs?
উত্তর
169 students.
৪৫৯৮
During the four years that Mr. Rahim owned his car,he found that his total car expenses were Tk. 18,000. Fuel and maintenance costs accounted for 1/3 of the total cost and together these two costs accounted for 1/5 of the total cost. If the only other expenses were taxes and License fees, then the cost of financing was how more of less than the cost of taxes and license fees?
উত্তর
300 tk less
৪৫৯৯
A factory that employs 1000 assembly -in workers pays each of these workers at a rate of Tk. 5 per hour for the first 40 hours worked during a week and 1.5 times that rate for the hours worked in excess of 40 hours. whatis the total amount paid to the workers in a week in which 30% of the workers worked 20 hours, 50% worked 40 hours and the rest of the workers worked 50 hours?
উত্তর
1,85,000
৪৬০০
Three valves, when opened individually, can drain the water from a certain tank in 3,4 and 5 minutes respectively. What is the greatest part of the tank that can be drained in one minute by opening just two of valves?
উত্তর
7/12