A bag contains 20 white and some black balls. If the probability of drawing a black ball from the bag is 2.5 times that of drawing a white ball, find the number of black balls in the bag.
Which one of the following has the characteristics of both an animal as well as a plant?
Which perspective assumes that employers and employees share the same goals?
According to “The child labour prohibition and regulations act 1986” how many hours of overtime can be taken from a young child?
The average Hindi marks of two sections A and B of class VIII in the annual examination is 75. The average marks of Section A is 78.5 and that of sectio...
The ratio of length to breadth of a rectangle is 8:5. When the length and breadth of the rectangle is increased by 20% and decreased by 50% respectively...
The owner of the business is treated as a creditor of the business according to which of the following concept?
Which type of union is boss-ridden and pursues its objectives ruthlessly, regardless of ethical and legal codes or their effects on non-members?
Which one of the following States will be directly connected with Assam by the proposed bridge between Dhubri and Phulbari over river Brahmaputra ?
Bimbisara was the founder of which one of the following dynasties?
Which one of the following is the acronym for the word 'NITI in NITI Aayog?
