Related Questions

A special lottery is to be held to select the student who will live in the only deluxe room in a dormitory . There are 100 seniors, 150 juniors and 200 sophomres who applied. Each senior's junior's name , 2 times; and each sophomres who applied. Each senior's name is placed in the lottery 3 times; each junior's name ,2 times name, 2 times ; and each sphomore's name , 1 time . What is the probability that a senior's name will be chosen?
A 18
B 38
C 48 
D 28
(i) The facts speak for themselves so they need exposition only, not demonstration. (ii) At present , it is widely recognized that the Indian subcontinent holds the balance in world wide competition between rival ideologies. (iii) It is not of course , only in geographical perspective that the subcontinent is in a key position. (iv) The subcontinents's key position simply needs pointing out.
A (iv) + (ii) + (i) + (iii)
B (ii) + (iii) + (iv) + (i)
C (ii) + (iv) + (iii) + (i)
D (iii) + (i) + (ii) + (iv)
Which of the following is not the value the key property will hold if the key is a function key?
A F8
B F2
C F9
D Left
What value does the keyCode property holds when a Shift key is pressed for adding punctuation character?
A Special characters
B Alphabets
C Alphanumeric
D Digits
In order to find if a variable holds an actual number or a string containing characters that can be translated into a number you can use:
A is_num()
B is_number()
C if_numeric
D is_numeric()
Which function is used to split a string into a series of substrings, with each string boundary is determined by a specific separator?
A break()
B divide()
C explode()
D md5()
It will take john 4 days to string a certain fence. If Mary could string the same fence in 3 days, how long will it take them if they work together?
A 3 1/2 days
B 3 days
C 2 1/2 days
D 1 5/7 days
Assume that we have to convert “false” that is a non-string to string. The command that we use is (without invoking the “new” operator)
A false.toString()
B String(false)
C String newvariable=”false”
D Both false.toString() and String(false)
The ends of a string weighing w/metre are attached to two points at the same horizontal level. If the central dip is very small, the horizontal tension of the string throughout is
A $$\frac{{{\text{w}}l}}{{4{\text{d}}}}$$
B $$\frac{{{\text{w}}{l^2}}}{{4{\text{d}}}}$$
C $$\frac{{{\text{w}}{l^2}}}{{8{\text{d}}}}$$
D $$\frac{{{\text{w}}{l^2}}}{{16{\text{d}}}}$$
A taper key which fits half in the key way of the hub and half in the key way of shaft, is known as
A sunk key
B flat saddle key
C hollow saddle key
D tangent key

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