List of top Quantitative Aptitude Questions

A mobile manufacturing company: 6 staff members packed 6 mobiles in 6 minutes. The management wants 60 mobiles packed in 60 minutes. How many staff members are required in total?

Amar consumed 100 laddoos from Monday to Friday. Each day he consumed 6 more laddoos than the previous day. How many laddoos did he consume on Wednesday?

Find the unit's place digit of $(1!)^{1! + (2!)^{2!} + (3!)^{3!} + \cdots + (100!)^{100!}$.}

In how many ways can 10 books on Mechanics and 8 books on Quantum Physics be placed in a row such that two Quantum Physics books are not together?

Population of Timbaktoo (2 years ago) is 125000. Due to natural calamities people started migrating. So, population decreased at the rate of 4% per annum. How many migrated from his town in past 2 years?

In an institute, an MBA exam has 4 sections and a sectional cutoff is applied. A candidate qualifies only if they clear \emph{every sectional cutoff. In how many ways may an applicant fail the exam?}

In how many ways can the letters of the word POTICA be arranged such that the vowels occupy odd positions?

A square, circle, regular hexagon and regular octagon all have the same perimeter $P$. Which one has the maximum area?

The difference between CI and SI for a loan is \rupee114 when invested for 2 years at the rate of 6\% per annum. Find the loan amount.

What is the coefficient of $z^{3$ in $-7x y^{2} z^{3} a^{2} b^{2}$?}

In a closed wooden box, length $=20$ cm, breadth $=14$ cm, height $=10$ cm and thickness $=5$ mm. If weight of empty box is $3.462$ kg, what is the weight of $1\text{ cm^3$ of wood?}

Find the number of zeros at the end of $(5!)^{5!}+(10!)^{10!}+(50!)^{50!}+(100!)^{100!}$.

Ritesh is twice as good as Mitesh. Ritesh takes 30 days less than Mitesh to finish a task. How long will they take to complete the task together?

A $200$-litre container initially has $x$ litres of milk (only milk). $6$ L of milk is removed and $5$ L water is added. Then $6$ L of the mixture is replaced with $6$ L water. Finally, milk and water are in the ratio $9:16$. Find $x$.

A train runs at $60$ km/h but halts for a fixed time every clock hour. Due to halts, its average speed becomes $50$ km/h. Find the duration of each halt.

Valve A fills a bathtub in 10 hours and valve B fills it in 15 hours. A and B are opened together; later B is closed. The tub is filled in 8 hours in total. For how long was B open?

Average stipend of a group is \rupee50 per day. The difference between maximum and minimum stipend is \rupee45. If both these students are excluded, the average decreases by \rupee1. The minimum earning of any student lies between \rupee42 and \rupee47, and the number of students is a prime number whose both digits are also prime. Find the initial number of students.

Robot A, B and C make $25\%$, $35\%$ and $40\%$ of circuit boards, with defect rates $5\%$, $4\%$ and $2\%$ respectively. If one board is picked at random, what is the probability it is defective?

Find the value of the given expression: \[ \sqrt{\left( 3 \frac{1}{4} \right)^4 - \left( 4 \frac{1}{3} \right)^4} = ? \]

A robot is 4 m long and placed at a corner of a $16\text{ m}\times 30\text{ m}$ rectangular field. It faces the diagonally opposite corner and reaches that corner in $15$ s. What is its speed?

What is the sum of integers from $113$ to $113113$ that are divisible by $7$?

Three circles with radii 1 cm each are drawn touching each other. Find the area of the shaded portion (in cm$^2$). \includegraphics[width=0.5\linewidth]{image85.png}

Two trains of length 150 m each pass each other in 20 s when moving in opposite directions. When they move in the same direction, they take 40 s to pass each other completely. Find the speed of the faster train.

A new species lays exactly 120 eggs out of which 50\% are male and 50\% are female. The female insect hatch and grow in a span of 20 days to lay eggs by themselves. On 1st April 2018, an insect laid 120 eggs. Find how many eggs will be hatched (approx.) by the end of May 2018?

Brigadier Rastogi travels from A to B at 40 km/hr on bike, from B to C at 10 km/hr on cycle. The distance AB equals BC. Then he travels from C to A via B at 24 km/hr by autorickshaw. Find his average speed.