List of top Quantitative Ability and Data Interpretation Questions

Arrange the following numbers in increasing order : 
A. \(\sqrt{59} - \sqrt{51}\)
B. \(\sqrt{37} - \sqrt{29}\)
C. \(\sqrt{87} - \sqrt{79}\)
D. \(\sqrt{79} - \sqrt{71}\)
Choose the correct answer from the options given below:
The least number of square tiles required to pave the floor of a room 15 m 91 cm and 9 m 46 cm broad is
Given below are two statements:
Statement I : A bag captains 10 white and 10 red face masks which are all mixed up. The fewest number of face masks you can take from a bag without looking and be sure to get a pair of the same color is 3. 
Statement II: The minimum number of students needed in a class to guarantee that there are at least 6 students whose birthdays fall in the same month, is 61. In the light of the above statements, choose the most appropriate answer from the option given below:
What is the probability of getting a sum of 22 or more when four dice are thrown?
Given below are two statements :
Statement I: The number of ways to pack six copies of the same book into four identical boxes where a box can contain as many as six books, is 9.
Statement II: The minimum number of students needed in a class to guarantee that there are at least six students whose birthday fall in the same month, is 61 . In the light of the above statements, choose the correct answer from the options given below
Given below are two statements:
Statement I: \((243)^{0.16} ×(9)^{0.1}=0.3\)
Statement II: If , \(3.105 ×10^P=0.00239+0.000715,\) then \(P=-3.\)
In the light of the above statements choose the most appropriate answer from the options given below:
Given below are two statements :
A number of distinct 8-letter words are possible using the letters of the word SYLLABUS. If a word in chosen at random, then
Statement I: The probability that the word contains the two S's together is \(\frac{1}{4}.\)
Statement II : The probability that the word begins and ends with L is \(\frac{1}{28}.\)
In the light of the above statements, choose the correct answer from the options given below.
There are 4 positive numbers, \(\frac 14\)th of the average of all the numbers is 24 less than the value of the highest number. Average of the first 3 numbers is 32. Find the highest number.
Given below are two statements :
Statement I: The ratio of the son's age to the father's age is 1 : 5. The product of their ages is 245. The ratio of the son's age to the father's age after 9 years will be 3 : 5.
Statement II: A milkman adds 30 litres of water to 70 litres of milk. After selling 1/5th of the total quantity, he adds water equal to the quantity he sold. The proportion of water to milk he sells now would be 28 : 72. In the light of the above statements, choose the correct answer from the options given below.
In a collection of coins, the ratio of the number of 2-rupee coins to 5-rupee coins to 1-rupee coins is 3:4:5. If the total value of these coins is ₹18.75, how much money is represented by the 5-rupee coins ?
A trader marked up shirts by 40%, offered a 20% discount during a sale, and sold each for $234. Find the number of shirts he purchased.
A shopkeeper marked a watch 25% above its cost price, sold it with a 15% discount, and received $850. Find the cost price.
Separately, Jack and Sristi invested the same amount of money in the stock market. Jack’s invested amount kept getting reduced by 50% every month. Sristi's investment is also reduced every month, but in an arithmetic progression with a common difference of Rs. 15000. They both withdrew their respective amounts at the end of the sixth month. They observed that if they had withdrawn their respective amounts at the end of the fourth month, the ratio of their amounts would have been the same as the ratio after the sixth month. What amount of money was invested by Jack in the stock market?
What is the 95th term of the following letter series?
A, A, B, B, B, B, C, C, C, C, C, C, D, D, D, D, D, D, D, D, E, ...
Go through the information given below, and answer the questions that follow.
The three graphs below capture the relationship between economic (and social) activities and subjective wellbeing. The first graph (Graph-1) captures the relationship between GDP (per-capita) and Satisfaction with life, across different countries and four islands: Gizo, Roviana, Niijhum Dwip, and Chittagong. The Graph-2 captures three different measures of subjective well-being (Satisfaction with life, Affect Balance and Momentary Affect) across the four islands, which have different levels monetization (Index). The Graph-3 captures levels of thirteen different socio-economic activities across four islands.
The three graphs below capture the relationship between economic (and social) activities and subjective wellbeing.
Which of the following site has the highest fishing to economic ratio?

Suppose Haruka has a special key Δ in her calculator called delta key:
Rule 1: If the display shows a one-digit number, pressing delta key
Δ replaces the displayed number with twice its value.
Rule 2: If the display shows a two-digit number, pressing delta key
Δ replaces the displayed number with the sum of the two digits.
Suppose Haruka enters the value 1 and then presses delta key
Δ repeatedly. After pressing the Δ key for 68 times, what will be the displayed number?

The problem below consists of a question and two statements numbered 1 & 2. You have to decide whether the data provided in the statements are sufficient to answer the question. Rahim is riding upstream on a boat, from point A to B, at a constant speed. The distance from A to B is 30 km. One minute after Rahim leaves from point A, a speedboat starts from point A to go to point B. It crosses Rahim’s boat after 4 minutes. If the speed of the speedboat is constant from A to B, what is Rahim’s speed in still water? 1. The speed of the speedboat in still water is 30 km/hour. 2. Rahim takes three hours to reach point B from point A.
Rajnish bought an item at 25% discount on the printed price. He sold it at a 10% discount on the printed price. What is his profit in percentage?
A small jar contained water, lime, and sugar in the ratio of 90:7:3. A glass contained only water and sugar in it. Contents of both (small jar and glass) were mixed in a bigger jar and the ratio of contents in the bigger jar was 85:5:10 (water, lime, and sugar respectively). Find the percentage of water in the bigger jar?

ABCD is a trapezoid where BC is parallel to AD and perpendicular to AB . Kindly note that BC<AD . P is a point on AD such that CPD is an equilateral triangle. Q is a point on BC such that AQ is parallel to PC . If the area of the triangle CPD is 4√3. Find the area of the triangle ABQ.

The problem below consists of a question and two statements numbered 1 & 2. You have to decide whether the data provided in the statements are sufficient to answer the question.
In a cricket match, three slip fielders are positioned in a straight line. The distance between the 1st slip and the 2nd slip is the same as the distance between the 2nd slip and the 3rd slip. The player X, who is not on the same line of slip fielders, throws a ball to the 3rd slip and the ball takes 5 seconds to reach the player at the 3rd slip. If he had thrown the ball at the same speed to the 1st slip or to the 2nd slip, it would have taken 3 seconds or 4 seconds, respectively. What is the distance between the 2nd slip and player X?
1. The ball travels at a speed of 3.6 km/hour.
2. The distance between the 1st slip and the 3rd slip is 2 meters.
A non-flying ant wants to travel from the bottom corner to the diagonally opposite top corner of a cubical room. The side of the room is 2 meters. What will be the minimum distance that the ant needs to travel?
Given A = |x+3 + |x-2| - |2x-8|. The maximum value of |A| is :
Go through the information given below, and answer the questions that follow.
The three graphs below capture the relationship between economic (and social) activities and subjective wellbeing. The first graph (Graph-1) captures the relationship between GDP (per-capita) and Satisfaction with life, across different countries and four islands: Gizo, Roviana, Niijhum Dwip, and Chittagong. The Graph-2 captures three different measures of subjective well-being (Satisfaction with life, Affect Balance and Momentary Affect) across the four islands, which have different levels monetization (Index). The Graph-3 captures levels of thirteen different socio-economic activities across four islands.
The three graphs below capture the relationship between economic (and social) activities and subjective wellbeing.
Which of the following, about the four islands, can be BEST inferred from the graphs?
ABC is a triangle and the coordinates of A, B, and C are (a, b - 2c), (a, b + 4c), and (-2a, 3c), respectively, where a, b, and c are positive numbers. The area of the triangle ABC is: