Let the price of a washing machine three years ago be Rs. Is. According to Question, X × (1-10/100)3 =9477 X × (9/10)3 =9477 X ×729/1000 =9477 X=13000.
A bag contains 4 violet, 2 grey and 6 black pullovers. 3 pullovers are chosen at random. What is the probability that at least 2 pullovers chosen will b...
A committee of 5 members is to be formed out of 6 men and 4 women. In how many ways can a committee consisting of atleast 1 woman be formed?
Nine boys have to stand in a circle. In how many ways they are to be stand on the circumference of circle?
In how ways can the selection be made so that a particular member is always included?
...Out of 7 consonants and 4 vowels, how many words of 3 consonants and 2 vowels can be formed
In how many different ways can 6 History and 5Hindi books be arranged in a shelf so that they are arranged alternately?
How many 5-digit even numbers can be formed using the digits 0 to 9 if no digit is repeated?
In how many ways 6 novels and 7 notebooks can be arranged in a row so that they are alternate?
Find the number of words that can be formed by using all letters of the word 'ESCAPE', if it starts with letter C and end with letter P.
The number of ways in which a committee of 3 ladies and 4 gentlemen can be appointed out of 8 ladies and 7 gentlemen If Mrs. X refuses to serve on a com...
