Related Questions

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 of the following describes all values of x for which 1-x2≥0?
A x≥1
B x≤-1
C 0≤x≤1
D -1≤x≤1
If x+y>5 and x-y>3, then which of the following gives all possible values of x and only possible values of x?
A x>4
B x>3
C x>2
D x
If x + y > 7 and x -y > 5 , then which of the following gives all possible values of x and only possible values of x ?
A x>6
B x<1
C x>5
D x<6
If x +y > 5; and x -y>3, then which of he following gives all possible values of x and only possible values of x?
A x> 3
B x< 5
C x>4
D x < 3
a, b and c are 3 values, such that a + b = 5, b + c = 7.5 and c + a = 8.5. What will be the average of these values?
A 1.5
B 3
C 3.5
D 4.5
As compared to higher pH values, the contact period required for efficient chlorination at lower pH values is
A Smaller
B Larger
C Same
D None of the above
One common design problem when designing a database from existing data is the presence of missing values, called blank values, in received data.
A True
B False
h,J,K,L,M,N and O are the only legislators eligible to vote on Bills 1,2 and 3, each of which will be passed if at least four legislators eligible vote in favor of it. each legislator must vote on all three bills; on abstentions are possible. The following is known : *H must vote against all three bills; each of the other legislators must vote in favor of at least one bill and against at lest one bill. *j must vote against Bills 1. *O Must vote against Bills 2 and 3. * L must the same way that K dose on all three bills.*N must vote the same way that O dose on all three bills. If M votes the same way that O dose on all three bills, which of the following can be determined ?
A Bill I will be passed
B Bill I will be defeated
C Bill 2 will be passed
D Bill 2 will be defeated
In a group of 5 men, no 2 men have the same age. The eldest man is 50 years old and the youngest is 30 years old. If X years is the average age of the men in the group, which of the following best indicates all and only possible values of X? (All ages are in whole numbers)
A 30 X 50
B 31 x 49
C 35 x 45
D 33 x 46

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