ATQ, The given series follows the following pattern: 18 × 17 = 306 17 × 16 = 272 16 × 15 = 240 15 × 14 = 210 14 × 13 = 182 13 × 12 = 156
There are 20 Bikes in the No-Parking zone. On a Particular day, A policeman planned to fine the four bikes of the No-Parking Zone. In how many ways can ...
An examinee is required to answer 7 questions out of 14 questions, which are divided into two groups each containing 7 questions. He is not permitted to...
A Consignment of 12 mobile phones contains 4 defectives. The mobile phones are selected at random one by one and examined. The ones examined are not pu...
Find the no. of words formed by using all the letter of the word DISCOUNT, so that the vowels are never together?
Akshay has 7 relatives, 3 males and 4 females. His wife twinkle also have 7 relatives, 3 females and 4 males. In how many ways can they invite 3 male an...
In how ways can the selection be made so that a particular member is always excluded?
In how ways can the selection be made so that a particular member is always excluded?
...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?
A man has 15 friends out of which 7 are his relatives. In how many ways can he invite his 9 friends in which at least 5 must be his relatives?
Maria and Ariana were only two girls participating in a Billiards tournament. Every Participant played two games with every other participant. The numb...