Related Questions

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
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
Array values are keyed by ______ values (called indexed arrays) or using ______ values (called associative arrays). Of course, these key methods can be combined as well.
A Float, string
B Positive number, negative number
C Even number, string
D String, Boolean
E Integer, string
Which one of the following function is used to return an array consisting of various DNS resource records pertinent to a specific domain?
A dns_get_record()
B dns_record()
C dnsrr_get_record()
D dnsrr_record()
Bob just filled his car's gas tank with 20 galions of gasohol , a mixture consisting of 5% ethanol and 95% gasoline. If his car runs best on a mixture consisting of 10% ethanol and 90% gasoline, how many gallons of ethanol must he add into the gas tank for his car to achieve optimum performance?
A 20/19
B 10/9
C 9/10
D 1
A function 'p' that accepts a pointer to a character as argument and returns a pointer to an array of integer can be declared as
A int(*p(char *))
B int *p(char *)
C int (*p) (char *)
D None of these.
Which array function checks if the specified key exists in the array?
A array_key_exist()
B array_key_exists()
C array_keys_exists()
D arrays_key_exists()
The mechanism consisting of three turning pairs and one sliding pair, is called a
A single slider crank chain
B whitworth quick return motion mechanism
C crank and slotted lever quick return motion mechanism
D all of the mentioned
Which of the methods are used to manage result sets using both associative and indexed arrays?
A get_array() and get_row()
B get_array() and get_column()
C fetch_array() and fetch_row()
D mysqli_fetch_array() and mysqli_fetch_row()
If a denormalization situation exists with a many-to-many or associative binary relationship, which of the following is true?
A All fields are stored in one relation.
B All fields are stored in two relations.
C All fields are stored in three relations.
D All fields are stored in four relations.

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