৩১২৬১
The length, width, and depth of a rectangular box are 6 feet, 5 feet, and 7 feet, respectively, A pipe supplies water at a rate of 6 cubic feet per minute. How much time, in minutes, would it take for the pipe to fill a conical box whose volume is three times the volume of the rectangular box?
উত্তর
105
৩১২৬২
Akash bought two varieties of rice, costing Tk. 50/kg each, and Tk. 60/kg each, and mixed them in some ratio. Then he sold the mixture at Tk. 70/kg. making a profit of 20%. What was the ratio of the mixture?
উত্তর
1 : 5
৩১২৬৩
In a class, 120 students are male and 100 students are female. 25% of the male students and 20% of the female students are engineering students. 20% of the male engineering students and 25% of the female engineering students passed the final exam. What percentage of engineering students passed the exam?
উত্তর
22%
৩১২৬৪
A survey of n people in the town A found that 50% of them prefer Brand X. Another survey of 100 people in the town B found that 60% prefer Brand X. In total, 55% of all the people surveyed together prefer Brand X. What is the total number of people surveyed?
উত্তর
200
৩১২৬৬
যদি কিউব-ক এর সাইড ও কিউব-খ এর সাইডের অনুপাত ২: ১, তা হলে এর তল দুটির অনুপাত কত?
উত্তর
৪ : ১
৩১২৬৭
In what ratio must a grocer mix two varieties of tea worth TK. 60 a kg and TK. 65 a kg so that by selling the mixture at TK. 68.20 a kg he may gain 10%?
উত্তর
3:2
৩১২৬৮
In a school, 10% of the boys are some in number as 1/4th of the girls. What is the ratio of boys to girls in that school?
উত্তর
5:2
৩১২৬৯
What will be the ratio of simple interest earned by certain amount at the same rate of interest for 6 years and that for 9 years?
উত্তর
2:3
৩১২৭০
The ratio of the father's age to his son's age is 7:3. The product of their ages is 756. The ratio of their ages after 6 years will be:
উত্তর
2:1