৩১৩৩১
Two equal glasses are respectively one-third and one-fourth full of milk. they are then filled up with water and the contents are mixed in a tumbler. Ratio of milk and water in tumbler is:
উত্তর
7:17
৩১৩৩২
The distance between two stations, Dhaka and Chittagong is 450 km. A train starts at 5 pm from Dhaka and moves towards chittagong at an average speed of 60 km/hr. Another train starts from Chittagong at 4:20 pm and moves towards Dhaka at an average speed of 80 km/hr. At what time will the two trains meet?
উত্তর
6:10 pm
৩১৩৩৩
A machine P can paint one lakh books in 8 hours; machine Q can print the same number of books in 10 hours while machine R can print them in 12 hours. All the machines started operating at 9 A. M. while machine P is stopped at 11 A. M. and the reamaining two machines completed the work. Approximately at what time will the work (to print one lakh books) be finished?
উত্তর
1:00 P. M.
৩১৩৩৪
The Lions' Club has a traget of rising at least Tk 500,000. It has already raised Tk 100,000. The club is sponsoring a 'pitha' festival and charging Tk. 5000 per ticket. Which equation represents the number of tickets (t) that the club must sell to meet its target?
উত্তর
5t+100=500
৩১৩৩৫
A drink contains 20% cranberry juice, 20% raspberry juice and the rest i apple juice. You added 250 ml water in 750 ml of the drink. Now, what is the ratio of water to apple juice in the drink?
উত্তর
5:9
৩১৩৩৬
A worker is hired for 7 days. Each day, he is paid 10 Tk. more than what he is paid for the preceding day one work. The total amount he was paid in the first 4 days of work equaled the total amount he was paid in the last 3 days. What was his starting pay?
উত্তর
90
৩১৩৩৭
At XYZ Company, the ratio of sales to gross profit is 4:3 and the ratio of gross profit to net profit is 3:1, what is the ratio of net profits to sales?
উত্তর
1:4
৩১৩৩৮
In what ratio must a grocer mix two varieties of tea worth Tk 60 per kg and 65 per kg so that by selling the mixture at Tk 68.20 per kg he may gain 10%?
উত্তর
3:2
৩১৩৩৯
A survey of n people in the town of X found that 50% of them prefer Brand A. Another survey of 100 people in the town of Y found that 60% prefer Brand A. In total, 55% of all the people surveyed together prefer Brand A. What is the total number of people surveyed?
উত্তর
200
৩১৩৪০
A train can travel 50% faster than a car. Both start from point A at the same time and reach point B, 75 kilometres (km) away from A at the same time. On the way, however, the train had lost about 12.5 minutes while stopping at the stations. What is the speed of the car?
উত্তর
120 km/hr