List of top Quantitative Ability Questions

How many five letter words with or without meaning, containing 2 vowels and 3 consonants can be formed using the letters of the word 'OPTICAL'?

In how many different ways can the letter of the word 'EMBROIDERY' be arranged so that all vowels are always positioned together?

Find the median income per day if

Inside a rectangular park of dimensions 100m × 80m, walking paths 3m wide are to be constructed as shown in the figure given below (a 3m-wide border path runs around all four sides of the park, plus one 3m-wide path down the vertical centre and one 3m-wide path across the horizontal centre, dividing the interior lawn into four equal rectangular plots). Find the cost of construction of paths at the rate of ₹ 120/m².

Study the pie charts and answer the following questions: In a manufacturing firm there are a total of 150 employees of levels 'A', 'B', and 'C'. Number of employees of different levels have been presented in Pie-Chart I. Number of female employees of different levels have been shown in Pie-Chart II. 40% of the employees are females.

Pie-Chart I (share of 150 total employees)	Pie-Chart II (share of 60 female employees)
A: 8%, B: 12%, C: 80%	A: 10%, B: 20%, C: 70%

The ratio of the number of female employees of levels 'B' and 'C' taken together to the number of male employees of levels 'B' and 'C' taken together, is:

The co-ordinates of midpoints of the sides AB, BC, and CA of a triangle ABC are (3, 6), (5, 3), and (8, 5) respectively. The co-ordinates of vertex A are:

Three numbers are in the ratio 4:5:7 and their LCM is 5040. Their HCF is:

If a + b + c = −10 and ab + bc + ac = 10, then the value of the expression a³ + b³ + c³ − 3abc is:

Study the pie charts and answer the following questions: In a manufacturing firm there are a total of 150 employees of levels 'A', 'B', and 'C'. Number of employees of different levels have been presented in Pie-Chart I. Number of female employees of different levels have been shown in Pie-Chart II. 40% of the employees are females.

Pie-Chart I (share of 150 total employees)	Pie-Chart II (share of 60 female employees)
A: 8%, B: 12%, C: 80%	A: 10%, B: 20%, C: 70%

By what percentage are the number of female employees of levels 'A' and 'B' taken together is greater than the number of male employees of levels 'A' and 'B' taken together?

Four years ago, the ages of Rekha and her mother were in the ratio 1:6. Five years hence, the ratio will become 1:3. How old will the mother be after 10 years from now?

The average of 11 consecutive even numbers written in ascending order is 30. What is the average of the 3^rd and the 10^th number?

A car covers a distance of 75 km at a speed of 60 km/hr. It covers the next 5 km at a speed of 12 km/hr and the last 40 km at a speed of 36 km/hr. The average speed of the car during the entire journey (in km/hr) is:

Two pipes 'A' and 'B' can fill a water tank in 30 minutes and 20 minutes, respectively. Initially pipe 'A' was opened and after 5 minutes, pipe 'B' was also opened. Find the total time (in minutes) taken by the pipes to fill the tank.

Two trains 'A' and 'B' started running at the same time. Train 'A' takes 3 hours more than train 'B' to cover 540 km. But if train 'A' doubles its speed, it covers 540 km in 1½ hours less than train 'B'. What is the speed (in km/h) of train 'B'?

The length of a hall is 22 m and the width is 18 m. If the sum of the areas of the floor and the roof is equal to the total area of the four walls, then what is the volume of the hall?

A sum of money invested at a certain rate of simple interest amounts to ₹ 7400 in 6 years and to ₹ 8200 in 8 years. The rate of interest per annum, is:

An item is marked for sale at ₹ 7,200. A dealer allows a discount of 10% and yet makes a profit of 8%. What would have been his gain percentage, if no discount was allowed?

There are 48 students in a college union and the ratio of the number of boys to the number of girls is 5:3. The number of girls to be included in this union, so that the ratio of the number of boys to number of girls become 6:5, is:

The cost of manufacturing a car depends upon three items: cost of material, labour and overheads. In a year, the cost of these items were in the ratio 4:3:2. Next year the cost of material increased by 10%, cost of labour increased by 8% but cost of overheads reduced by 5%. If same number of cars were produced in each year, then the percentage increase in the price of the car, would be:

Vinay saves 10% of his income. If his income increases by 16%, and his saving increases by 10%, then what percentage does his expenditure increase?

Let \( A=\{2,4,6,8,10,12\} \), \( B=\{3,6,9,12\} \). How many subsets of B are not subsets of A?

Kamla can complete a piece of work in 24 days. Nirmala can complete this work in 18 days. Kamla started the work alone and worked for X days. After this Nirmala alone completed the remaining work in Y days, in this way the work is completed in 20 days. If X and Y are both positive integers, then select the correct option.

What is the value of \( \log_{10} 50 + \frac{\log_{0.5} 5}{1+\log_{2} 5} \)?

The ratio of an interior angle to its corresponding exterior angle of a regular polygon is 9 : 2. If number of sides in the polygon is n, then select the CORRECT option.

Suppose M = (1, 1), N = (-1, 3), S = (2, 7), T = (0, -4). If A and B, respectively, divide MN and ST in the ratio 2:3, what is the equation of line AB?