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Complete the following series. 9, 11, 15, 23, 39, $x$
Verbal Reasoning Number Series Difficulty: Easy
10 Nov 2026
Directions : Each of the questions given below consists of a statement and/or a question and two statements numbered I and II given below it. You have to decide whether the data provided in the statement(s) is/are sufficient to answer the given question. Read both the statements and Give answer (a) if the data in Statement I alone are sufficient to answer the question, while the data in Statement II alone are not sufficient to answer the question; Give answer (b) if the data in Statement II alone are sufficient to answer the question, while the data in Statement I alone are not sufficient to answer the question; Give answer (c) if the data either in Statement I or in Statement II alone are sufficient to answer the question; Give answer (d) if the data even in both Statements I and II together are not sufficient to answer the question; Give answer (e) if the data in both Statements I and II together are necessary to answer the question. What is the capacity of a cylindrical tank? I. Radius of the base is half of its height which is 28 metres. II. Area of the base is 616 sq. metres and its height is 28 metres.
Verbal Reasoning Data Sufficiency Difficulty: Easy
10 Nov 2026
Rain water, which falls on a flat rectangular surface of length $6$ m and breadth $4$ m is transferred into a cylindrical vessel of internal radius $20$ cm. What will be the height of water in the cylindrical vessel if a rainfall of $1$ cm has fallen?
Aptitude Volume and Surface Area Difficulty: Medium
10 Nov 2026
If the height of a cylinder is increased by 15 percent and the radius of its base is decreased by 10 percent then by what percent will its curved surface area change?
Aptitude Volume and Surface Area Difficulty: Medium
10 Nov 2026
If the ratio between the areas of two circles is 4 : 1 then the ratio between their radii will be
Aptitude Area Difficulty: Easy
10 Nov 2026
A rectangular plot is half as long again as it is broad and its area is $\frac{2}{3}$ hectares. Then, its length is
Aptitude Area Difficulty: Easy
10 Nov 2026
The length of a rectangular plot is thrice its breadth. If the area of the rectangular plot is 7803 sq. metres, What is the breadth of the rectangular plot? (Bank P.O. 2009)
Aptitude Area Difficulty: Medium
10 Nov 2026
A rectangular parking space is marked out by painting three of its sides. If the length of the unpainted side is 9 feet, and the sum of the lengths of the painted sides is 37 feet, then what is the area of the parking space in square feet?
Aptitude Area Difficulty: Hard
10 Nov 2026
A computer is available for ₹ 39000 cash or ₹ 17000 as cash down payment followed by five monthly instalments of ₹ 4800 each. What is the rate of interest under the instalment plan? (M.A.T., 2006)
Aptitude Simple Interest Difficulty: Hard
10 Nov 2026
If simple interest on ₹ 600 for 4 years and on ₹ 600 for 2 years combined together is ₹ 180, find the rate of interest.
Aptitude Simple Interest Difficulty: Easy
10 Nov 2026
Speed of a boat in standing water is $9$ kmph and the speed of the stream is $1.5$ kmph. A man rows to a place at a distance of $105$ km and comes back to the starting point. The total time taken by him is :
Aptitude Boats and Streams Difficulty: Medium
10 Nov 2026
A can do a piece of work in 90 days, B in 40 days and C in 12 days. They work for a day each in turn i.e., first day A does it alone, B does it the second day and C the third day. After that A does it for another day, and so on. After finishing the work they get ₹ 240. If the wages are divided in proportion to the work done by them, find what each will get. (M.A.T., 2006)
Aptitude Work and Wages Difficulty: Hard
10 Nov 2026
Reena, Aastha and Shloka can independently complete a piece of work in 6 hours, 4 hours and 12 hours respectively. If they work together, how much time will they take to complete that piece of work?
Aptitude Time and Work Difficulty: Easy
10 Nov 2026
A swimming pool is filled by three pipes with uniform flow. The first two pipes operating simultaneously fill the pool in the same time during which the pool is filled by the third pipe alone. The second pipe fills the pool 5 hours faster than the first pipe and 4 hours slower than the third pipe. The time required by the first pipe is
Aptitude Pipes and Cistern Difficulty: Hard
10 Nov 2026
Two pipes A and B together can fill a cistern in 4 hours. Had they been opened separately, then B would have taken 6 hours more than A to fill the cistern. How much time will be taken by A alone to fill the cistern?
Aptitude Pipes and Cistern Difficulty: Medium
10 Nov 2026
Pipes A and B can fill a tank in $20$ hours and $30$ hours respectively and pipe C can empty the full tank in $40$ hours. If all the pipes are opened together, how much time will be needed to make the tank full?
Aptitude Pipes and Cistern Difficulty: Medium
10 Nov 2026
The third proportional to $(x^2 - y^2)$ and $(x - y)$ is
Aptitude Ratio and Proportion Difficulty: Medium
10 Nov 2026
$x, y, z, u$ are real numbers such that $x : y = y : z = z : u$ and $x : u = 64 : 27$. The value of $x : z$ is
Aptitude Ratio and Proportion Difficulty: Medium
10 Nov 2026
The ratio $4^{3.5} : 2^5$ is the same as
Aptitude Ratio and Proportion Difficulty: Medium
10 Nov 2026
100 oranges are bought at the rate of ₹ 350 and sold at the rate of ₹ 48 per dozen. The percentage of profit or loss is
Aptitude Profit and Loss Difficulty: Medium
10 Nov 2026
The population of a town increased from 1,75,000 to 2,62,500 in a decade. The average percent increase of population per year is
Aptitude Percentage Difficulty: Easy
10 Nov 2026
In a joint family of 18 members, 10 take milk, 8 take tea and 6 take coffee; 5 take milk as well as tea but none takes milk and coffee. The number of members who take tea as well as coffee is
Aptitude Simplification Difficulty: Medium
10 Nov 2026
If $3 \frac{x}{7} \times 2 \frac{y}{5} = 10$, then the values of $x$ and $y$ respectively, would be
Aptitude Simplification Difficulty: Medium
10 Nov 2026
$$1\frac{3}{4} - 1\frac{1}{5} + 1\frac{5}{8} = x$$
Aptitude Simplification Difficulty: Easy
10 Nov 2026
The least multiple of $13$, which on dividing by $4$, $5$, $6$, $7$ and $8$ leaves remainder $2$ in each case is
Aptitude HCF and LCM Difficulty: Hard
10 Nov 2026

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