List of top Quantitative Aptitude Questions

The compound interest on 16000 at 20% p.a for 9 months, compounded quarterly is:

Match List I with List II

List I (measures of Dispersion)		List II (Formula)
A.	Range	I.	\(\sqrt[2]{\sum d^2/N}\)
B.	Mean deviation	II.	Q3-Q1
C.	Standard Deviation	III.	H.V - S.V.
D.	Interquartile Range	IV.	∑dx / N

Choose the correct answer from the options given below:

Calculate the Arithmatic mean from the following data :

Wages (in Rs.)	100	200	300	400	500
No. of Workers	4	5	3	2	5

A and B together can do a work in 30 days. they worked together for 20 days and then B left A alone finished the remaining work in 20 days. In how many days A alone can do the whole work?

While finding the average marks of the class, marks of one student were wrongly entered as 93 instead of 63 resulting to an increase in the average by 0.5 mark. The number of students in the class is.

A and B can do work in 12 days and 24 days respectively. They started working together but left the work 3 days before its completion and thereafter B alone completed the work. For how many days A worked with B?

If 2 sin 2θ = 1, then the value of tan2θ+ cos2θ is

The surface area (in cm²) of a cuboid with dimensions 3cm, 4cm and 5cm is

Choose the correct alternative that will replace the question mark in the given series: \(\frac{16}{3}\), 8, 12, 18, 27, ?

A merchant had 1000kg of grain, a part of which he sold at 10% profit and the rest at 18% profit. He gains 16% on the whole. The quantity sold at 18% profit is

What sum of money will become Rs 520 in 5 years and to Rs 568 in 7 years with the same rate of simple interest?

A man covers a distance of 12km by walking at a speed of 4km/h. How much distance (in km) would he cover in the same time, if he walks at a speed of 6 km/h ?

The value of \(\frac{1}{x+1}+\frac{2x}{1-x^2}+\frac{x}{x-1}\) is :

The compound interest on ₹10,000 in 6 months at 8% per annum, the interest being compounded quarterly, is :

The product of two expressions is x³+x²y-xy²-y³ and their HCF is (x+y). The LCM of those expressions will be :

If three numbers are in the ratio 1: 2: 5 and sum of their square is 120 Find the number.

Match List-I and List-II

LIST I (Operation of union)		LIST II (Law)
A.	A∪B=B∪A	I.	Associative Law
B.	(A∪B)∪C=A∪(B∪C)	II.	Commutative Law
C.	A∪A=A	III.	Law of Idempotent
D.	A∪Φ=A	IV.	Law of Identity

Choose the correct answer from the options given below:

Find in how many years will a sum double itself when given on 5% simple interest.

Read the statements about set and their properties.
A. S = {1, 2, 3, 4, 5} is a set of order 5.
B. S = {0} is a set of order zero.
C. If a~b and b~c; then a~c It is a transitive property.
D. If a~b, and b~a It is a symmetric property.
E. For all a, a~b It is a reflexive property.
Choose the correct answer from the options given below :

Working alone,the times taken by Anu,Tanu and Manu to complete any job are in the ratio \(5:8:10\). They accept a job which they can finish in 4 days if they all work together for 8 hours per day. However,Anu and Tanu work together for the first 6 days,working 6 hours 40 minutes per day. Then,the number of hours that Manu will take to complete the remaining job working alone is

Let ABCD be a parallelogram such that the coordinates of its three vertices A, B, C are (1, 1), (3, 4), and (−2, 8), respectively. Then, the coordinates of the vertex D are

The largest real value of a for which the equation\( |x+a|+|x−1|=2\) has an infinite number of solutions for x is

Let a and b be natural numbers. If \(a^2+ab+a=14\) and \(b^2+ab+b=28\), then (2a+b) equals

The minimum possible value of \(\frac{x^2−6x+10}{3−x}\),for x<3,is