১২৪৭২
In a certain class consisting of 36 students, some boys and some girls, exactly 1/3 of the boys and exactly 1/4 of the girls walk to school. What is the greatest possible number of students in this class who walk to school?
উত্তর
11
১২৪৭৩
A fair coin is flipped three times. What is the probability that the coin lands head each time?
উত্তর
1/8
১২৪৭৪
What is the minimum number of chocolate that must be added to the existing batch of 260 chocolate, so that the total batch can equally be divided among 3, 4 or 6 person?
উত্তর
16
১২৪৭৫
In a library system with 6 branches, 60 workers are employed. If no library has fewer than 7 workers and no more than 11, what is the minimum number of workers in any two of the branches?
উত্তর
16
১২৪৭৬
Two pipes A and B would fill the tank in 20 and 30 minutes respectively. Both pipes being open, find when A must be turned off so that the tank may be just filled in 15 minutes.
উত্তর
After 10 mins
১২৪৭৭
Distribution of work House in a Factory The number of workers who worked from 40 to 44 hours is x times the number who worked up to 34 hours. Where x is?
উত্তর
3/4
১২৪৭৯
A number is as much greater than 31 as less than 55. Which of the following is that numbers?
উত্তর
43
১২৪৮০
What is the greatest number of boys among whom 100 pens and 165 ice-cream can be divided equally so that no item remains left?
উত্তর
5