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In a certain sock drawer, there are 4 pairs black socks, 3 pairs of back socks, 3 pairs of gray of gray socks and 2 pairs of corage socks. It socks removed at random without replaced, what is the minimum number of socks that must removes in order to ensure that two socks of the the same color have been removed?
A
11
B
4
C
3
D
7
Correct Answer:
4
Melinda's lights went out. She has 3 pairs of red socks in her drawer, 2 pairs of black socks, and 5 pairs of white socks. What is the minimum number of pairs she must remove from the drawer to ensure that she has a pair of each color
A
3
B
5
C
7
D
9
There are 40 socks in a drawer . 70% of the socks are red and the rest are blue. What is the minimum number of socks that must be taken from the drawer without looking in order to be certain that at least two red socks have been chosen?
A
2
B
14
C
18
D
20
A man ordered 4 pairs of black socks and some pairs of brown socks. The price of a pair of black socks is double that of a brown pair. While preparing the bill the clerk interchanged the number of black and brown pairs by mistake which increased the bill by 50% . The ratio of the number of black and brown pairs of socks in the original order was = ?
A
2 : 1
B
1 : 4
C
1 : 2
D
4 : 1
A drawer contains red socks , black socks , and white socks what is the least number of socks that must be taken out of the droaer to be sure of having 4 pairs of matching socks?
A
8
B
9
C
10
D
11
In a drawer there are 4 white socks, 3 blue socks and 5 grey socks. Two socks are picked randomly. What is the possibility that both the socks are of same color?
A
$$\frac{{4}}{{11}}$$
B
1
C
$$\frac{{2}}{{33}}$$
D
$$\frac{{19}}{{66}}$$
In a drawer there are 5 black socks and 3 green socks. Two socks are picked randomly one after the other without replacement. What is the possibility that both the socks are black?
A
$$\frac{{5}}{{14}}$$
B
$$\frac{{5}}{{8}}$$
C
$$\frac{{3}}{{8}}$$
D
$$\frac{{5}}{{16}}$$
A man wears socks of two colours - Black and White. He has altogether 30 black socks and 10 brown socks in a drawer. Supposing he has to take out the socks in the dark, how many must he take out to be sure that he has a matching pair ?
A
3
B
4
C
5
D
2
A man wears socks of two colours - Black and brown. He has altogether 20 black socks and 20 brown socks in a drawer. Supposing he has to take out the socks in the dark, how many must he take out to be sure that he has a matching pair ?
A
3
B
20
C
39
D
None of these
A drawer contains 12 red and 12 blue socks, all unmatched. A person takes socks out at random in the dark. How many socks must he take out to be sure that he has at least two blue socks?
A
18
B
35
C
28
D
14
After taking 30 socks out of the washing machine, Shamim noticed that the ratio of blue socks to brown socks to black socks was 2:3:5. How many black socks were in the washing machine?
A
21
B
15
C
9
D
6