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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
Exam TypeMASTER EXAM
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creatorAnirudh(39272)

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Question: The length of the shadow of a vertical tower on level ground increases by 10 m when the altitude of the Sun changes from 45° to 30°. Then, the height of the tower is:


Answer:5(√3+1)m


Question: 2 cosec²23° cot 67°-sin²23°-sin²67°-cot²67° equal to:


Answer:sec²23°


Question: The base of a right pyramid is an equilateral triangle of side 10 √3 cm. If the total surface area of the pyramid is 270 √3 sq. cm. its height is :


Answer:12 cm


Question: The volumes of a cylinder and a cone are in the ratio 3 : 1. Find their diameters and then compare them when their heights are equal.

Answer:Diameter of cylinder = Diameter of cone


Question: A square of side 3 cm is cut off from each corner of a rectangular sheet of length 24 cm and breadth 18 cm and the remaining sheet is folded to form an open rectangular box. The surface area of the box is :

Answer:396 cm²


Question: The sides of a triangle are 16 cm, 12 cm and 20 cm. Find the area:

Answer:96 cm²


Question: What is the height of a cylinder that has the same volume and radius as a sphere of diameter 12 cm ?

Answer:8 cm


Question: The volume of air in a room is 204m³. The height of the room is 6m. What is the floor area of the room?


Answer:34 m²


Question: From a point P, two tangents PA and PB are drawn to a circle with centre O. If OP is equal to diameter of the circle, then a APB is


Answer:60°


Question: A chord 12 cm long is drawn in a circle of diameter 20 cm. The distance of the chord from the centre is :

Answer:8 cm


Question: 360 sq cm and 250 sq cm are the areas of two similar triangles. If the length of one of the sides of the first triangle be 8 cm, then the length of the corresponding side of the second triangle is :

Answer:6 (2/3) cm


Question: L.C.M. of 2/3, 4/9, 5/6 is

Answer:20/3


Question: If a number is as much greater than 31 as it is less than 75, then the number is :

Answer:53


Question: In a two-digit number, the digit at the unit's place is 1less than twice the digit at the ten's place. If the digits at unit's and ten's place are interchanged, the difference between the new and the original number is less than the original number by 20. The original number is:

Answer:47


Question: The base of a right prism is a triangle whose perimeter is 28 cm and the inradius of the triangle is 4 cm. If the volume of the prism is 366 cc, then its height is :

Answer:None of the above


Question: Which is greater a›2 or √3 ?

Answer:√3


Question: If a + b + c = 9 (where a, b, c are real numbers), then the minimum value of a² + b²+ c² is :

Answer:27


Question: The wrong number in the series:
2, 9, 28, 65, 126, 216, 344, is :


Answer:216


Question: Eight consecutive number are given. If the average of the two numbers that appear in the middle is 6, then the sum of the eight given numbers is :

Answer:48


Question: If (1 x 2 x 3 x4 x.....xn)=n!, then(14! - 13! - 12!) is equal to :

Answer:14 x 12 x (12!)