If 75% students of a class answered the first question in a test correctly, 55% answered the second question correctly and 20% answered neither of the questions correctly, what percent answered both the questions correctly?
Four persons can complete a job in 8 days. After four days two persons have left the work. How many days would it take for the remaining persons to complete the work?
If a merchant offers a discount of 30% on the list price, then he/she makes a loss of 16% what % profit or loss will the merchant make if he/she sells at a discount of 10% of the list price?
How many 1-inch square tiles would it take to cover the floor of a closet dial has dimensions 5 feet by 4 feet?
২৪০
1440
2160
2880
A train traveling at 100 km per hour overtakes a motorbike traveling at a speed of 65 km per hour in 40 seconds. What is the length of the train in meters?
Two numbers are in the ratio 5:4 and their difference is 10. What is the largest number?
The average daily wage of 10 workers is Tk. 400. If the lowest wage is Tk. 300 what is the possible maximum wage in Tk?
If (x+2):3=(x+5): 4, what is the value of x?
If a and b are positive real numbers then (a degree -3b degree)5=?
If the difference between the circumference and diameter of a circle is 60cm, then the redius of the circle is :
What is the angle that is half of its own complement?
How many degrees are included between the hands of a clock at 4.00?
which one is true for the mathematical expression 2n+2n-12n+1-2n?
230+230+230+230=?
If ax=b, by=c,and cz=a, then xyz=?
In the following figure, two equal circles are cut out of a rectangle of card of dimensions 16 by 8. The circle have the maximum diameter possible. What is the approximate area of the paper remaining after the circles have been cut out?
Refer to the above figure (Not drawn to scale), AB=7 BC= 12, CD= 5, DE= 14 , EF=8 FG=11 , BC, DE and FG are parallel with each other and are perpendicular to AB, CD and EF. What is the value of AG?
If 3x-3x-1=18, the value of xx is :
Two friend M and N have 40% and 60% shares in a business. After some time a third friend joined the business by investing Tk. 5 lac and acquired 20% shares in the business. What is the share of M in the business now?
which value of x satisfies the inequality 13x-1≥15?