৩৫০১
A gaint wheel makes 40 rotations to cover a distance of 1.75 kilometer. What is the radius of the Wheel?
উত্তর
6.963
৩৫০৩
The rate of inflation was 1000%. Then what will be the cost of an item, which costs 6 taka now , 2 years from now?
উত্তর
Try your self
৩৫০৪
Fresh grapes contain 90% water by weight while dried grapes contain 20% water by weight. What is the weight of dry grapes available from 20 kg of fresh grapes?
উত্তর
2.5 kg
৩৫০৫
The average marks of a student in 10 parers are 80. If the highest and the lowest scores are not considered, the average is 81. If his highest score is 92. find the lowest.
উত্তর
60
৩৫০৬
In △ABC, , points P,Q and R are the mid points of sides AB, BC and CA respectively. If area of △ABC, is 20 square unit, find the area of ∆PQR.
উত্তর
5 square unit
৩৫০৭
The sum of four consecutive two -digit odd numbers , when divided by 10, becomes a perfect square. Which of the following can possibly be one of these four numbers?
উত্তর
41
৩৫০৮
In a class, the number of boys is more than the number of girls by 12 % of the total students. The ratio of boys to girls is:
উত্তর
28 : 25
৩৫০৯
Due to booming business, a company increased its staff salary by 25% , By what percent must it now decrease the salary to return to the original amount?
উত্তর
20%
৩৫১০
which of the following information is alone sufficient to find out the value 4x2 +12xy + 9y2?
উত্তর
2x + 3y =2