A, B, C, D and E are five consecutive numbers in increasing order of size. Deleting one of the five numbers from the set decreased the sum of the remaining numbers in the set by 20%. Which one of the following numbers was deleted?

2.Bowl S contains only marbles. If of the marbles were removed, the bowl would be filled to of its capacity. I...

Square ABCD is inscribed in a circle. whose radius is 4cm. Calculate the area of the square.

What is the difference between the amount of interest eamed on a principal of Tk. 100 for 2 years at 10% simpl...

If 0 < x ≤ 1, then which one of the following is the maximum value of (x-1) +x ?

Point A is 10 km west of point B. Point B is 30 km north of point C. Point C is 20 km east of point D. What is...

There are 3 doors to a lecture room. In how many ways can a lecturer enter the room from one door and leave fr...