৩১৬৯১
If A and B are in the ratio 3: 4 and B and C in the ratio 12:13 then A and C will be in the dratio-
উত্তর
9 : 13
৩১৬৯২
Kalam bought two varieties of rice , costing Tk. 50 /kg 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
৩১৬৯৩
The captain of Bangladesh Cricket Team is 26 years old and the wicket keeper is 4 years older. If the ages of these two are excluded,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 team?
উত্তর
None
৩১৬৯৪
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%
৩১৬৯৫
150 individuals attended a marathon held in Sylhet. Of those only If x of the 150 individuals were from sythet and z of the individuals participated in the marathon but were not from sylhet. Which of the following represents the number of individuals who did not participated in the marathon and were not from sylhet?
উত্তর
150-x-z
৩১৬৯৬
while working 7 hour a day , A alone can complete a piece of work in 6 days and B alone in 8 days. In what time would they complete it together , 8 hour a day?
উত্তর
3 days
৩১৬৯৮
P and O invested in a business. The profit earned was divided in the ratio 2:3. If P invested TK. 40000, the amount invested by Q is -
উত্তর
TK. 60000
৩১৭০০
A B C subscribe TK. 50,000 for a business.A subscribes TK. 4000 more than B and B TK, 5000 more than C Out of a total Profit of TK. 35,000. A receives
উত্তর
Tk. 14,700