1
IIT-JEE 2000 Screening
MCQ (Single Correct Answer)
+2
-0.5
How many different nine digit numbers can be formed from the number 223355888 by rearranging its digits so that the odd digits occupy even positions?
A
16
B
36
C
60
D
180
2
IIT-JEE 1989
MCQ (Single Correct Answer)
+2
-0.5
A five-digit numbers divisible by 3 is to be formed using the numerals 0, 1, 2, 3, 4 and 5, without repetition. The total number of ways this can be done is
A
216
B
240
C
600
D
3125
3
IIT-JEE 1982
MCQ (Single Correct Answer)
+2
-0.5
Ten different letters of an alphabet are given. Words with five letters are formed from these given letters. Then the numbers of words which have at least one letter repeated are
A
69760
B
30240
C
99748
D
none of these
4
IIT-JEE 1982
MCQ (Single Correct Answer)
+2
-0.5
Eight chairs are numbered 1 to 8. Two women and three men wish to occupy one chair each. First the women choose the chairs from amongst the chairs marked 1 to 4; and then the men select the chairs from amongst the remaining. The number of possible arrangements is
A
$${}^6{C_3} \times {}^4{C_2}$$
B
$${}^4{P_2} \times {}^4{P_3}$$
C
$${}^4{C_2} \times {}^4{P_3}$$
D
none of these
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