Quantitative Analysis QUESTIONS

Exam NameQuantitative Analysis QUESTIONS
DescriptionQuantitative Analysis QUESTIONS and Answers exams contains the questions from various competitive exams.These questions are the part of previous year paper.These kind of questions would be helpful in preparing for exams like IAS, PCS, UPSC, NDA, CDS SSC, RRB, PSC, IBPS

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Question: A and B together can do a piece of work in 12 days, while B alone can finish it in 30 days. A alone can finish the work in :

Answer:20 days

Question: A and B can do a job together in 12 days. A is 2 times as efficient as B. In how many days can B alone complete the work ?


Question: The marked price is 20% higher than cost price. A discount of 20% is given on the marked price. By this type of sale, there is :

Answer:4% loss

Question: A cricketer has a mean score of 60 runs in 10 innings. Find out how many runs are to be scored in the eleventh innings to raise the mean score to 62 ?


Question: A prism has as the base a right angled triangle whose sides adjacent to the right angles are 10 cm and 12 cm long. The height of the prism is 20 cm. The density of the material of the prism is 6 g/cubic cm. The weight of the prism is :

Answer:7.2 kg

Question: Three circles of radii 4 cm, 6 cm and 8 cm touch each other pairwise externally. The area of the triangle formed by the line segments joining the centres of the three circles is :

Answer:24√6 sq cm

Question: The radius of the base of a right circular cone is doubled. To keep the volume fixed, the height of the cone will be :

Answer:one-fourth of the previous height

Question: The base of a cone and a cylinder have the same radius 6 cm : they have also the same height 8 cm. The ratio of the curved surfaces of the cylinder to that of the cone is :

Answer:8 : 5

Question: The ratio of length of each equal side and the third side of an isosceles triangle is 3 : 4. If the area of the triangle is 18√5 sq. units, the third side is :

Answer:12 units

Question: The x-intercept of the graph of 7x - 3y=2 is :


Question: If x = √3+√2, then the value of (x + 1/x) is :


Question: An equation whose graph passes through the origin, out of the given equations :
2x + 3y = 2, 2x - 3y = 3, -2x + 3y = 5 and 2x + 3y = 0 is

Answer:2 x + 3y= 0

Question: If x-y = 2, xy = 24, then the value of (x² + y²) is:


Question: If a³ - b³ = 56 and a - b =2, then value of a² + b² will be :


Question: The value of (x + y + z )³ - ( y+z-x)³- ( z + x - y )³-(x + y-z)³ is

Answer:24 xyz

Question: A unique circle can always be drawn through x number of given non-collinear points, then x must be :


Question: If ΔABC is similar to ΔDEF, such that ∠A = 47°, ∠E = 63°, then ∠C is equal to:


Question: If 7n +9>100 and n is an integer, then smallest possible value of n is :


Question: A train running at 36 km/h crosses a pole in 25 s. Length of the train is :

Answer:250 m

Question: Three pipes A, B and C can fill a cistern in 10 12 and 15 h, respectively while working alone. If all the three pipes are opened together, then find the time taken to fill the cistern.

Answer:4 h