৩৮৭১
In a classroom of 35 students 14 are male. What percent of the classroom in male?
উত্তর
40%
৩৮৭৩
Six years ago Anita was P times as old as Ben was. Anita is now 17 years old , how old is Ben now in terms of P?
উত্তর
11/p +6
৩৮৭৪
6 people meet for a business lunch. Each person shakes hands once with each other person present. How many handshakes take place?
উত্তর
15
৩৮৭৫
If the price of a good increased from Tk. 30 to Tk. 42 Find the percentage increase in the price.
উত্তর
40%
৩৮৭৬
How many ways can 4 prizes be given away to 3 boys, if each boy is eligible for all the prizes?
উত্তর
None of them
৩৮৭৭
Find the speed of a man in sill water if he goes upstream at 6 km /hour when the rate of stream is 2 km /hour
উত্তর
8 km / hour
৩৮৭৮
what is the length of the line segment in the x-y plane with end points at (-2,-2) adn (2,3)?
উত্তর
41
৩৮৭৯
A man travels a certain distance at a rate of 30 km /h and he returns at the rate of 40 km/h. What is his average speed?
উত্তর
34. 24 km/h
৩৮৮০
1/5 of students in a school have no brothers or sisters. Of the remaining students , 40% have 1 brother or sister. What percent of all students have more than 1 brother or sister?
উত্তর
48