An element reacts with oxygen to give a compound with a high melting point. This compound is also soluble in water. the element is likely to be:
The correct answer is A
From a standard pack of 52 cards, 3 cards are drawn at random without replacement. The probability of drawing a king, a queen and a jack in order is.
If the letters of the word HORIZON be arranged at random, what is the probability that all the vowels are together?
There are a total of 42 students (boys+girls) in a class. The probability of picking at least one boy from the class is 195/287. Find out the difference...
Determine the probability that when a hand of 7 cards is drawn from a box of 52 cards, it consists at least 3 kings?
The profit from sales, amounting to Rs. 4,200, is distributed between two salesmen, 'Amit' and 'Bheem,' in such a way that 'Amit' receives more money th...
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...
Two cards are drawn at random from a pack of 52 cards. What is the probability that either both are black or both are queens?
Which of the following cannot be the probability of an event?
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 th...
Two hats are picked at random, what is the probability that one is blue and one is yellow?
