? = 25.08 + 11.99 × 24.07
? = 25.08 + 11.99 × 24.07 => ? = 25 + 12 × 24 => ? = 25 + 288 => ? = 313
In how many different ways can 6 boys and 3 girls to be seated in a row such that all the boys seated together and all the girls seated together?
In how ways can the selection be made so that a particular member is always excluded?
...What will be the number of permutations of n different things, taken r at a time, where repeatition is allowed?
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...
Which of the following is TRUE for “complementary event or ‘not event’”?
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...
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...
Find the no. of words formed by using all the letter of the word DISCOUNT, so that the vowels are never together?
How many four digit numbers greater than 5000 can be formed with the digits 4 ,5, 7, 8, and 9?
From 6 officers and 8 Jawans, in how many ways can 5 be chosen to include exactly 3 officers?