Add maths =)

Practice 6.2
7.Calculate the number of arrangements if all the letters of the word 'DENMARK' are arranged with the condition tht they must begin wit d letter D n end wit d letter K


9. Calculate the number of 5-digit odd numbers tht can be formed by arranging the digits 3,5,6,8,and 9,without repititions


10.Calculate the number of 4-digit numbers tht exceed 7000 tht can be formed by arranging the digits 5,6,7 and 8,without repititions


Practice 6.3
7.Five-digit even numbers less than 50000 are to be formed from the digits 1,4,5,6,7,8,and 9, without repititions. How many numbers tht can be formed?

12. Ahmad has 6 durians,5 nangkas and 2 cempedaks. If he wants 2 arrange these fruitsin a row and the fruits of the same kind hav to b grouped 2gether,calculate the number of different arrangements. The size of the fruits r different.


Since I'm typing this for Arissa, I suddenly thought of posting it here, pls ignore me XD

Q