A number for each figures are given from 1 to 9 . Find out the best method of classification and identify this amongst the four alternative .
Find the missing number.
which one of the following figure is different from the rest three?
The following figure consists of twenty-seven cubes. How many cubes will get closed on all sides by other cubes?
when the diameter of a circle is trebled , the area is multiplied by how many times?
A train 800 meters long is running at a speed of 78 km/hr . If it crosses a tunnel in 1 minute, then the length of the tunnel ( in meters ) is :
If 4 (A's capital) = 6 (B's capital)=10(C's capital), then out of a profit of TK. 4650, C will receive :
How many times in a day, are the hands of a cock in straight line but opposite in direction ?
Tow numbers A and B are such that the sum of 5% of A and 4%of B is two-third of the sum of 6% of A and 8%of B. Find the ratio of A : B .
If the number 5 * 2 is divisible by 6, then * = ?
3 pumps , working 8 hours a day, can empty a tank in 2 days. How many hours a day must 4 pumps work to empty the tank in 1 day ?
Which of the following trains is the fastest ?
A student was asked to find the arithmetic mean of the numbers 3, 11, 7, 9, 15, 13, 8, 19, 17, 21, 14, and x. He found the mean to be 12. What should be the number in place of x ?
Find the smallest number by which 5808 should be multiplied so that the product becomes a perfect square .
The interest on a certain deposit at 4.5% p.a. is TK. 202.50 in one year. How much will the additional interest in one year be on the same deposit at 5% p.a. ?
2-[ 2 - { 2 - 2 ( 2 +2 ) } ] = ?
If 0.4 of a number is equal to 0.06 of another number, the ratio of the numbers is :
The breadth of a rectangular field is 60% of its length . If the perimeter of the field is 800 m, what is the area of the field ?
Peter purchased a machine for TK. 80,000 and spent TK. 5,000 on repair and TK. 1,000 on transport and sold it with 25% profit , At what price did he sell the machine ?
A takes twice as much time as B or thrice as much time as C to finish a piece of work . Working together , they can finish the work in 2 days . B can do the work alone in :