MCA Entrance Previous Year Question Bank

simplify the Boolean expression:

$$(x+y^{\prime }+z^{\prime })(x+y^{\prime }+z)(x+y+z^{\prime })$$

what is the synonym of "Anthropogenic"?

match the words in Column I with the most appropriate words in Column II:

Arun pointed to a woman and said: "She is the daughter of my father's only son." What is the woman's relation to Arun?

in a certain code language, "FALSE" is written as $6,1,12,19,5$, which represents the alphabetical positions of its letters. How will "LOGIC" be written in that code language?

in a certain code language, $INDIA\to JLGEF$. Then how will $ROME$ be written in that code language?

The following conditions are given:

• The sum of $X,Y,W,$ and $Z$ is $84$.

• The sum of $Y,W,$ and $Z$ is three times $X$.

• The sum of $X,W,$ and $Z$ is $320\%$ of $Y$.

• $W$ is $20\%$ of the sum of $X,Y,$ and $Z$.

Find the value of $Z$.

The sum of four numbers $A,B,C,$ and $D$ is $10,600$.

• Without $A$, the average of $B,C,$ and $D$ is $1,000$.

• Without $B$, the average of $A,C,$ and $D$ is $3,220$.

• Without $C$, the average of $A,B,$ and $D$ is $3,180$.

  Find the value of $D$.

ten people went out for dinner. Nine of them contributed ₹400 each, while the tenth person contributed an amount that was ₹900 more than the average contribution of the entire group. How much did the tenth person contribute?

the sequence $72,69,66,\dots$ continues in the same pattern as long as the terms remain positive. What will be the maximum sum of the terms?