List of top Quantitative Aptitude Questions

A biased coin with probability p\(;\) 0\(<\)p\(<\)1 of head is tossed until a head appears for the first time. If the probability that the number of tosses required is even is \(\frac{2}{5}\), then p equals to

A started a work and left after working for 1 day. Then B was called and he finished the work in \(4\frac{1}{2}\) days. Had A left the work after working for \(1\frac{1}{2}\)days, B would have finished the remaining work in 3 days. In how many days can each of them, working alone, finish the whole work?

How many different ways can 2 students be seated in a row of 4 desks, so that there is always at least one empty desk between the students?

In a rectangular coordinate system, triangle ABC is drawn so that one side of the triangle connects two points on the y axis, A(0, 2) and B(0, -4). If point C has coordinates (c, 0) and the area of ABC is 21, then C =

Solve the following:-
\(5389 + 4172 – 3868 – ? = 2456 + 1130\)

Solve the following:-
(23)²³ × (23)^–19 =?

Solve the following:-
(8.83% of 228) – (2.65% of 104) =?

Solve the following:-
\(3870 ÷ ? = 516\)

Solve the following:-
\([(156)^2 ÷ 8 × 36] ÷ ? = 117 × 24\)

Which of the following must equal zero for all real numbers x?
(I). x³-x²
(II). x⁰
(III). x¹

If the digit in the unit’s place of a two-digit number is halved and the digit in the ten’s place is doubled, the number thus obtained is equal to the number obtained by interchanging the digits. Which of the following is definitely true?

If a boy can throw a cricket ball 100 m, then the time required for the ball to touch the ground is

What should come in place of question mark\((?)\)in the following questions?
\(33.3 + 3.03 + 0.03 + 30.03 + 0.003 + 303 = ?\)

The diameter of the driving wheel of a bus is 140 cm. How many revolutions per minute must the wheel make in order to keep a speed of 66 km per hour?

The ages of Shauna and Imam are in the ratio of 7:3 respectively. After 9 years the ratio of their ages will be 4:3. What is the age of Imam?

Sneh’s age is \(\frac{1}{6}^{th}\) of her father’s age. Sneh’s father’s age will be twice of Vimal’s age after 10 years. If Vimal’s eighth birthday was celebrated two years before, then what is Sneh’s present age?

What should come in place of question mark (?) in the following questions?
\((9.75\% \text{ of } 316) - (3.82\% \text{ of } 120) = ?\)

What is 25% of 45% of 4/9th of 4540?

What should come in place of question mark\((?)\)in the following questions?
\(\frac{5339}{?} = 562\)

What should come in place of question mark\((?)\)in the following questions?
\((56.23+93.96+17.81\div6=?\)

If both 5² and 3³ are factors of n x 2⁵ x 6² x 7³, what is the smallest possible positive value of n?

What should come in place of question mark (?) in the following questions?
(61)¹⁰ X (61)⁴=?

A farmer sold a cow and an ox for Rs. 800 and got a profit of 20\(\%\) on the cow and 25\(\%\) on the ox. If he sells the cow and the ox for Rs. 820 and gets a profit of 25\(\%\) on the cow and 20\(\%\) on the ox, the individual cost price of the cow and the ox is

If 0 \(<\) p \(<\) I, which of the following has the least value? 

A dishonest dealer claims to sell his goods at 20% discount, but uses a weight of 800 grams for weighing 1 kilogram of goods. What is the profit or loss being made by the dealer?