A circular swimming pool is to be filled with water. If the radius of the pool is 2 meter and the heingt o the pool is 7m, what volume of water will be required to fill the pool π=22/7
There are 4 women and 4 men sitting in a waiting room for job. If two of the applicants are selected at random, what is the probability that both will be women?
If x is the smallest positive integer such that 4410 multiplied by x is the square of an integer, then x must be
In dividing a number by 585, student employed the method of short division. He divided the number successively by 5, 9 and 13 (factors of 585) and got the remainders 4, 8, 12 respectively. If he had divided the number by 585, what would have been the remainder?
Two trains are moving in opposite directions at 60 km/hr and 90 km/hr. Their lengths are 1.10 km and 0.9 km respectively. The time taken by the slower train to cross the faster train in seconds is ---
Mohona deposits Tk. 10,000 into a savings account that pays interest at an annual rate of 8%, compounded quarterly. After 6 months, how much interest has Mohona earned?
The ratio between the perimeter and the breadth of a rectangle is 5 : 1. If the area of the rectangle is 216 sq. cm, what is the length of the rectangle?
At a collegae football game, 4/5 of the seats in the lower deck of the stadium were sold. If one-forth of all the seating in the stadium is located in the lower deck and if 2/3 of all the seats in the stadium were sold. What fraction of the unsold seats in the stadium were in the lower deck?
How many squares of 2 inch dimension will be required to cover a rectangle of 8 inch breadth and 6 inch length?
The probability of rolling any number on a weight 6-sided die, with faces number 1 through 6, is directly proportional to the number rolled. What is the probability of getting 5, if the die is rolled only once?
What is the ratio of the sum of the even positive integers between 1 and 100 (inclusive) and the sum of the odd positive integers between 100 and 150?
In a class, 120 students are male and 100 students are female, 25% of the male students and 20% of the female students are engineering student passed the final exam. What percentage of engineering students passed the exam?
If x>0, which of the following must be true ? 1.x-x2<0 2.2x-1>03.x3-x3>0
There are 87 balls in a jar. Each ball is painted with at least one of two colors, red or green. It is observed that 2/7 of the balls that have red color also have green color, while 3/7 of the balls that have green color also have red color. what fraction of the balls in the jar has both red and green colors?