Hard glass is a potash-lime glass with a high silica content, used for making brilliant glassware.This type of glass is ideal for telescope mirrors, laboratory chemical equipment and other places where it is imperative for the glass objects to retain their shape.
Maria is taking a quiz that contains 3 questions, each with 5 options. Only one option is correct for each question. If Maria guesses all the answers, w...
A box contains only three colors of balls- red, green and blue. What is the minimum number of balls that should be picked from the box to ensure that at...
A basket contains 3 yellow, 5 purple and 3 red flowers. If 3 flowers are drawn at random, what is the probability that at least two are of same colour?
A card is drawn randomly from a collection of total face cards. What is the probability that the drawn card is a jack?
If the letters of the word HORIZON be arranged at random, what is the probability that all the vowels are together?
A box contains 21 ribbons out of which [A] ribbons are white, and rest is green in colour. The probability of drawing a white ribbon and a green ribbon ...
In a lottery, there are 12 prizes and 16 blanks. A lottery is drawn at random. What is the probability of getting a prize?
Two hats are picked at random, what is the probability that one is blue and one is yellow?
From a pack of 52 cards, One card is drawn at random. What is the probability that the card drawn is a king or a heart?
The names of 6 students from section A, 8 students from section B and 10 students from section C were selected. The age of all the 24 students was diffe...
