List of top Quantitative Ability and Data Interpretation Questions

$x$, $y$, and $z$ are three positive odd integers. Is $x + z$ divisible by 4?
I. $y - x = 2$
II. $z - y = 2$
What is the unit digit of $(234)^{100} + (234)^{101}$?

Sum of three consecutive odd numbers is always divisible by: 
A) 2 
B) 3 
C) 5 
D) 6 
 

The following table provides information about the number of cars sold by four dealers P, Q, R and S.
Total number of cars sold by P during February to June is what percent more than the total number of cars sold by all dealers in June?
Find the value of:
\[ \frac{5}{2^2 \cdot 3^2} + \frac{7}{3^2 \cdot 4^2} + \frac{9}{4^2 \cdot 5^2} + \frac{11}{5^2 \cdot 6^2} + \frac{13}{6^2 \cdot 7^2} + \frac{15}{7^2 \cdot 8^2} \]
85 litres of a mixture contain milk and water in the ratio 27:7. How much water is required to be added so that the resulting mixture contains milk and water in the ratio 3:1?
In Kendriya Vidyalaya (K.V.), Ujjain, 20% students are athletes. In Navodaya Vidyalaya (N.V.), Ujjain, 25% students are athletes. If N.V. has 60% more students than K.V., then the number of athletes in N.V. is what percent of athletes in K.V.?
Raman can do a piece of work in 16 days, Satish in 8 days, while Ashok can do it in 32 days. All started together but Satish left after 2 days. Raman left 3 days before the completion of the work. How long did it take to complete the entire work?
If the height and radius of a right circular cylinder are equal and its volume is $\dfrac{176}{7}\,\text{cm}^3$, find the diameter of the cylinder.
If \[ A + \frac{1}{B + \frac{1}{C - 9}} = \frac{29}{5} \] then find the value of \( A + B + C \).
A person buys two watches for Rs.1000 in total. He sells one watch at a loss of 5% and the other at a gain of 20%. On the whole, he gains Rs.50. Find the cost prices of the two watches.
Even after reducing the marked price by Rs.32, a shopkeeper makes a profit of 15%. If the cost price (C.P.) is Rs.320, what would be the percentage profit if the item is sold at the marked price?
Four coins are tossed. What is the probability that two consecutive heads never occur together?
Calculate the value of:
\[ \frac{\sqrt{\sqrt{5}+2} + \sqrt{\sqrt{5}-2}}{\sqrt{\sqrt{5}+1}} \]
Consider the following statements:
A) There exists a smallest natural number.
B) There exists a largest natural number.
C) Every rational number is also a real number.
D) Between two consecutive natural numbers, there is always a natural number.
Four electronic devices make a beep after every 30 minutes, 1 hour, 1.5 hours and 1 hour 45 minutes respectively. All beeped together at 12 noon. At what time will they again beep together?
Sudhir purchased a chair with 3 successive discounts of 20%, 12.5% and 5%. Find the equivalent single discount.
The number of distinct arrangements of the letters of the word STATISTICS is:
The ratio of the speed of a boat in still water to the speed of the stream is 5:2. If the boat goes 14 km downstream in the same time as it goes 6 km upstream, the speed of the boat in still water is:
A train covers a certain distance at 60 km/h and returns at 40 km/h. The average speed for the entire journey is:
A sum of money becomes 4 times itself in 20 years at compound interest. In how many years will it become 16 times itself at the same rate?
The number of 4-digit numbers formed using digits 1, 2, 3, 4, 5, 6 without repetition and divisible by 4 is:
The ratio of paint and oil in Tank A is 3: 4, whereas in Tank B, the respective ratio is 4: 5 . Then, 96 liters of a mixture consisting of paint and oil in the ratio of 5: 1 is added to Tank A, such that the respective ratio in Tank A becomes exactly the reverse of that in Tank B. Find the amount (in liters) of the mixture from Tank B that is poured into Tank A such that the amount of paint and water in Tank A become equal.
Yarsolav was eliminated
It is known that there was a tie in one of the rounds. When Yarsolav was eliminated, who was the 2nd most voted?

What was the number of votes secured by the person who was eliminated in round 5?