২৯৫১
If 40 men can make 30 boxes in 20 days, How many more men are needed to make 60 boxes in 25 days?
উত্তর
24
২৯৫৩
There is a point in a circle. What is the probability that this point is closer to its circumference than to the center?
উত্তর
(3/4)
২৯৫৪
3 liters of water is added to 11 liters of a solution containing 42% of alcohol in the water. The percentage of alcohol in the new mixture is:
উত্তর
0.3
২৯৫৬
A can do a piece of work in 24 day, B in 32 days and C in 64 days. All begin to do it together, but A leaves after 6 days and B leaves 6 days before the completion of the work. How many days did the work last?
উত্তর
20
২৯৫৭
P, Q, R are employed to do a work for Tk. 5750. P and Q together finished 19/23 of work and Q and R together finished 8/23 of work. Wage of Q, in Taka, is-
উত্তর
1000
২৯৫৮
In a group of 6 boys and 4 girls, four children are to be selected. In how many different ways can they be selected such that at least one boy should be there?
উত্তর
209
২৯৬০
১২ জন শ্রমিক ৩ দিনে ৭২০ টাকা আয় করে। ৯ জন শ্রমিক কত দিনে সম পরিমাণ টাকা আয় করে?
উত্তর
৪ দিনে