৩১৩১১
What is the least integer that is a sum of three different primes each greater than 20?
উত্তর
69
৩১৩১২
In a survey, it was found that 65% of the people surveyed watched the news on television, 40% read it on newspaper, and 25% read a newspaper and watched the news on television. What percent of the people surveyed neither watched the news on television nor read a newspaper?
উত্তর
20%
৩১৩১৩
Reza's collection contains US, Indian and British stamps. If the ratio of US to Indian stamps is 5 is to 2 and the ratio of Indian to British stamps is 5 is to 1, what is the ratio of US to British stamps
উত্তর
10:5
৩১৩১৪
At a particular moment, if the angle between the hour hand and the minute hand of a clock is 105 , what was the time by the clock at that time?
উত্তর
6:20
৩১৩১৬
In dividing a sum of money, the eldest of three brothers got 2/5 th of it and the youngest got Tk 120. What was the total sum in Tk if the amount received by the other brother was 1/3rd of the total?
উত্তর
98
৩১৩১৭
A third of Karim's marks in Mathematics exceeds a half of his marks in Social Studies by 30, if Karim got 240 marks in the two subjects together, how many marks did he get in Social Studies?
উত্তর
88
৩১৩১৮
A water tank with 64-gallon capacity is filled by pipe A and emptied by pipe B. If the rate of water flow through pipe A is 2 gallons per hour, how many gallons per hour should flow through pipe B so that when both pipes are open, the initially empty tank shold be full in exactly 96 hours?
উত্তর
4/3
৩১৩১৯
Two tanks A and B are filled with petrol. Tank A holds 600 liters more than B. If 100 liters of petrol were taken out from each tank, tank A would then contain 3 times as much petrol as tank B. What is the total number of liters of fuel in the two full tanks?
উত্তর
1400
৩১৩২০
Of 30 applicants for a job, 14 had at least 4 years experience, 18 had degrees, and 3 had less than 4 years experience and did not have a degree. How many of the applicants had at least 4 years experience and a degree?
উত্তর
14