1221. How many total number of different permutations can be made from all the letters of the word SMART ?
C. 120 *
1222. The number of 5-letter permutations that can be formed from the letters in the word SINGAPORE are :
A. 15120 *
1223. How many different 5-digit numbers can be formed from the eight digits 1,2,3,4,5,7,9 used without repetition?
A. 6720 *
1224. A committe of 5 members is to be selected from 6 seniors and 4 juniors. The number of ways this can be done, if there is no restictions, are :
A. 252 *
1225. John is going on vacation and wishes to take along two books to read. If he has 5 different books to choose from how many different combination of 2 books can he bring?
C. 10 *
1226. How many ways can two identical red chairs and four identical blue chairs be arranged in one row ?
A. 15 *
1227. If A,B,C,D,E and F are 6 distinct points on the circumference of a circle, How many different chords can be drawn using any 2 of the 6 points :
A. 15 *
1228. The number of diagnols can be drawn in an octagon are :
D. 20 *
1229. Two dice are thrown. The probability of the sum on two uppermost faces is 11 is :
C. 1/18 *
1230. There are 7 redballs 2 blueballs and 6 yellowballs in a bay. A ball is chosen out of the bag the probability that the ball is either red of blue :
A. 3/5 *