His reactions to unpleasant situations tended to _________ everyone’s nerves.
The word that best fills the blank in the above sentence is
If XY + Z = X(Y + Z) which of the following must be true?
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What is the number missing from the table?
There are three basket of fruits. First basket has twice the number of fruits in the second basket. Third basket has 3/4 th of the fruits in the first. The average of the fruits in all the basket is 30. The number of fruits in the first basket is
Until now only injectable vaccines against Swine Flu have been available. They have been primarily used by older adults who are at risk for complications from Swine Flu. A new vaccine administered in an oral form has proven effective in preventing Swine Flu in children. Since children are significantly more likely than adults to contract and spread Swine Flu, making the new vaccine widely available for children will greatly reduce the spread of Swine Flu across the population.
Which of the following, if true, most strengthens the argument?
Four friends Rishabh, Keshav, Lavish and Hemang are out for shopping. Rishabh has less money than three times the amount that Keshav has. Lavish has more money than Keshav. Hemang has an amount equal to the difference of amounts with Keshav and Lavish. Rishabh has three times the money with Hemang. Each of them has to buy at least one shorts, or one sleeper, or one sleeveless t-shirt, or one goggle that is priced 200, 400, 600, and 1000 a piece, respectively. Lavish borrows 300 from Rishabh and buys a goggle. Keshav buys a Sleeveless t-shirt after borrowing 100 from Rishabh and is left with no money. Rishabh buys three shorts. What is the costliest item that Hemang could buy with his own money?
I wouldn’t _______ with a soldier who was wearing a metal _______, awarded for a display of _______.
The words that best fill the blanks in the above sentence are:
A paper sheet is in the shape of a right angle triangle and cut along a line parallel to hypotenuse leaving a smaller triangle. There was 25% reduction in the length of the hypotenuse of the triangle. If area of triangle initially was 28 cm2 then area of smaller triangle will be ______ cm2.
A drinks machine offers three selections - Tea, Coffee or Random but the machine has been wired up wrongly so that each button does not give what it claims. If each drink costs 50p, how much minimum money do you have to put into the machine to work out which button gives which selection?
Suffix of a string is any number of trailing symbols. What is the number of possible suffixes for the string of length 10?
If = , find k so that A2=kA−2I where I is an identity matrix.
Consider sender’s sliding window size in Go - Back - n ARQ is equal to sender’s window size in Selective Repeat ARQ. Which of the following expression represents the relation between Go - Back - n and selective repeat ARQ in terms of n? (Where n is number of bits that are used to represent frame sequence number)
Consider the schema a r(A, B, C, D, E) with the following functional dependencies:
A → BC
CD → E
B → D
E → A
The decomposition of the schema into r1(A, B, C) and r2(A, D, E) is _________.
Consider an array which stores a maximum of 100 elements. For case 1, the user inserts 1 element into an array. For case 2, the user inserts 100 elements into an array. What is the time complexity for both the cases?
Which of the following expressions is valid for "There is an Indian who does not like watching Television" where
c(x): x likes watching television
A frame consists of m data (i.e., message) bits and r redundant (i.e. check) bits. Column I consists of different type of codes and Column II consists of the way the redundant bits are calculated. Select the most appropriate option.
Consider the following set of statements:
S1: If L1 and L2 are regular languages, then L1 - L2 is also a regular language.
S2: Context free languages are closed under concatenation.
S3: Context free languages are closed under intersection.
S4: Regular language is closed under infinite union of regular languages.
Which of the given statements are true?
Mean of 12 observation was found to be 28. Later on, it was detected that an observation 62 was misread as 26. Then the correct mean of the observations is
Which of the following activation record unit points to non-local data stored in other activation records?
Which of the following function is used to assign a name to a socket?
Let A = {1,2,3,4}. What is the number of irreflexive relations which can be formed on the set A?
Consider an interpolation search which is an improvement over binary search where the values in a sorted array are uniformly distributed. In interpolation search construction of new data points take place at different locations according to the value of the key being searched. Find the time complexity of interpolation search.
A group consists of equal number of men and women. Of this group 20% of the men and 50% of the women are unemployed. If a person is selected at random from this group, the probability of the selected person being employed is _______.
There are 17 engineers and 3 official languages. Every pair of engineers communicates in one of the official languages. What is the number of engineers communicating in the same language pairwise?
Which of the following statement is correct about WiFi?
I. WiFi systems are full duplex.
II. WiFi uses access control protocol - CSMA/CA.
III. Channel bandwidth of high rate wifi is 25 MHz
Which of the following indexes is created on a non-key field and defined on an ordered data file?
Consider the following languages over the input alphabet {a,b}:
A: {ambn | m>n}
B: {xcy | x,y Є (a,b)*}
C: {aibj | i = 2j}
D: {wwwR | w Є (a,b)*}
The number of context free languages is ____.
Consider a simple paging system with 1024 MB of physical memory and the page size of 4KB with a logical address space of 128 pages. Find the number of bits used to represent physical address, frame number and page number.
55 docs|215 tests
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55 docs|215 tests
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