List of top Quantitative Aptitude Questions

A, B, C and D purchased a restaurant for Rs. 56 lakhs. The contribution of B, C and D together is 460% that of A alone. The contribution of A, C and D together is \(366\dfrac{2}{3}\%\) that of B's contribution, and the contribution of C is 40% that of A, B and D together. The amount contributed by D is:
B is twice as efficient as A, and A can do a piece of work in 15 days. A started the work, and after a few days B joined him. They completed the work in 11 days from the start. For how many days did they work together?
Instructions: The following bar graph gives the production, exports and per-capita consumption of rice in country A, for the five years from 2006 to 2010 (Production and Exports in million kg). Consumption = Production - Exports.

Reading the chart: Exports (2006-2010) = 120, 120, 130, 120, 80 million kg. Consumption (2006-2010) = 72.5, 88, 108, 105, 127 million kg.

The ratio of exports to consumption in the given period was the highest in the year
Instructions: The following pie chart shows the hourly distribution in a day (in degrees) of all the major activities of a student. A day has 24 hours. The pie chart shows: Games 30°, Home work 45°, School 105°, Sleeping 120°, Others 60° (total 360°).

The percentage of time which he spends in school is:
Ram completes 60% of a task in 15 days and then takes the help of Rahim and Rachel. Rahim is 50% as efficient as Ram, and Rachel is 50% as efficient as Rahim. In how many more days will they complete the work?
A man and a woman, 81 miles apart from each other, start travelling towards each other at the same time. If the man covers 5 miles per hour to the woman's 4 miles per hour, how far will the woman have travelled when they meet?
Instructions: A numerical machine accepts two values X and Y. At every step, it updates the values as X = X times Y, and Y = Y + 1. The machine stops as soon as X becomes greater than or equal to N.

Starting again from X = 3, Y = 2, if the value of N is changed to 500, what would be the final value of X?
What is the value of \( 3^3 \times 2^2 \)?
If x2 − 3x + 2 = 0, what is the product of the roots?
A sum of Rs. 12,000 is lent at 6% simple interest for 4 years. What is the interest?
If 3x + 4 = 19, what is x?
If 2x = 16, what is x?
A sum of Rs. 8,000 is lent at 8% simple interest for 3 years. What is the total amount?
What is the LCM of 12 and 18?
If a = 2b and b = 3c, what is the ratio a:b:c?
Let \( f_{n+1}(x) = f_n(x) + 1 \) if \( n \) is a multiple of 3; otherwise, \( f_{n+1}(x) = f_n(x) - 1 \).
If \( f_1(1) = 0 \), then what is \( f_{50}(1) \)?
A sum of Rs. 5,000 is invested at 10% compound interest annually for 2 years. What is the total amount?
The revenue for Rajesh Fruit Shop varies from day to day. The shop's revenue on the first day of the year 2009 was Rs 1000/-, and on the second day it was Rs 6000/-. On the third day, the revenue decreased by Rs 4000/- as compared to the previous day's revenue. On the fourth day, the revenue increased by Rs 5000/- as compared to the previous day. If this trend continues, total revenue (in thousands) for Rajesh Fruit Shop for the year 2009 will be
Difference between two numbers is 9 and difference between their squares is 981. Lowest of the two numbers is:
The 10th term of the series 5, 8, 11, 14, … is:
Considering two major sports events - IPL and Common Wealth Games, scheduled in the near future, a manufacturer of LCD TV projects a 10% increase in demand per week after 5 weeks. Currently he is producing 500 TV sets per week and is planning to increase his production by 5% per week for the first 4 weeks. After 4 weeks, he increases production by 8% compared to the previous week. Presently he is selling 600 TV sets per week at Rs. 30000/-. Considering growth in demand, he is planning to give a discount of Rs. 2000/- after 4 weeks.
A train running at 72 kmph takes 20 seconds to pass a platform. It takes 12 seconds to pass a man walking at 6 kmph in the same direction. What is the length of the platform?
Francis has 18 eggs out of which 12 eggs were sold at 10% loss than the cost price. At what mark up should he sell the remaining eggs to cover his losses?
Rajneetha walks around the circular park in 15 minutes. If she walks at the rate of 5 km/hr, how much distance would she have to travel, at the minimum, to reach the centre of the park from any point on its perimeter?
If the length and height of a brick increases by 10% each respectively, and the breadth reduces by 20%, what is the percentage change in the volume of the brick?