APTITUDE QUIZ
Q1.The principal which gives Rs. 1 interest per day at a rate of 5% simple interest per annum is:
(a) Rs. 3650
(b) Rs. 7300
(c) Rs. 500
(d) Rs. 36500
Q2.When principle = Rs. S, rate of interest = 2r % p.a. then a person will get after 3 years at compound interest?
(a) Rs. S(1+r/100)3
(b) Rs. 6Sr/100
(c) Rs. S(1+ r/50)3
(d) RS. 3S(1+ r/100)3
Q3.The sum of money which becomes Rs. 2420 at 10% rate of compound interest after two years is:
(a) Rs. 2000
(b) Rs. 1500
(c) Rs. 1000
(d) Rs. 250
Q4.From a solid right circular cylinder of length 4 cm and diameter 6 cm, a conical cavity of the same height and base is hollowed out. The whole surface of the remaining solid (in square cm.) is:
(a) 48π
(b) 24π
(c) 15π
(d) 63π
Q5.A spherical ball of radius 1 cm is dropped into a conical vessel of radius 3 cm and slant height 6 cm. The volume of water (in cm3) that can just immerse the ball is:
(a) 5π/3
(b) 4π/3
(c) 3π
(d) π/3
Q6.The in-radius of a triangle is 6 cm, and the sum of the lengths of its sides is 50 cm. The area of the triangle (in square cm.) is:
(a) 150
(b) 56
(c) 300
(d) 50
Q7.One of the angles of a right-angled triangle is 15°, and the hypotenuse is 1 meter. The area of the triangle (in square cm.) is:
(a) 1215
(b) 1200
(c) 1250
(d) 1220
Q8.Assume that a drop of water is spherical and its diameter is one-tenth of a cm. A conical glass has a height equal to the diameter of its rim. If 32000 drops of water fill the glass completely, then the height of the glass (in cm.) is:
(a) 3
(b) 2
(c) 4
(d) 1
Q9.If the height of a cylinder is 4 times its circumference, the volume of the cylinder in terms of its circumference cv is:
(a) 4πc3
(b) 2π c3
(c) c3/π
(d) 2 c3/π
Q10.If the ratio of the angles of a quadrilateral is 2:7:2:7. Then it is a:
(a) square
(b) parallelogram
(c) trapezium
(d) rhombus
Q11.If for an isosceles triangle the length of each equal side is ‘a’ units and then its area will be _______.
(a) a/4 √4b2-a2 square units
(b) a/2 √2a2-b2 square units
(c) b/4 √4a2-b2 square units
(d) b/2√a2-2b2 square units
Q12.The outer and inner diameter of a circular path be 728 metre and 700 metre respectively. The breadth of the path is _________.
(a) 7 metre
(b) 28 metre
(c) 14 metre
(d) 20 metre
Q13.A piece of wire when bent to form a circle will have a radius of 84 cm, if the wire is bent to form a square, the length of a side of the square is _____________.
(a) 152 cm
(b) 132 cm
(c) 168 cm
(d) 225 cm
Q14.If radius of a circle is increased by 5%, then the increase in its area is ________.
(a) 10.25%
(b) 10%
(c) 5.75%
(d) 5%
Q15.The area of the parallelogram whose length is 30cm, width is 20 cm and one diagonal is 40 cm is ___________.
(a) 200 √15 cm2
(b) 100 √15 cm2
(c) 300 √15 cm2
(d) 150 √15 cm2
Q16.On increasing each side of a square by 50%, the ratio of the area of new square formed and the given square will be _________.
(a) 9 : 5
(b) 9 : 3.5
(c) 9 : 7
(d) 9 : 4
Q17.The area of a circle is 324 π square cm. The length of its longest chord (in cm.) is __________.
(a) 36
(b) 28
(c) 38
(d) 32
Q18.The area of a rhombus is 256 square cm. and one of its diagonals is twice the other in length. Then length of its larger diagonal is _________.
(a) 32 cm
(b) 16 cm
(c) 48 cm
(d) 24 cm
Q19.if m = √5+√5 + √5+ …….. and n = √5 – √5 – √5 – ….. , then among the following the relation between m and n holds is ____________.
(a) m – n + 1 = 0
(b m + n – 1 = 0
(c m + n + 1 = 0
(d) m – n – 1 = 0
Q20.if (3-5x)/2x + (3 – 5y)/2y + (3 – 5z)/2z = 0, the value of 2/x + 2/y + 2/z is _____.
(a) 20
(b) 5
(c) 10
(d) 5
-:ANSWERS:-
1ANSWER:B
2ANSWER:C
3ANSWER:A
4ANSWER:A
5ANSWER:A
6ANSWER:A
7ANSWER:C
8ANSWER:C
9ANSWER:C
10ANSWER:B
11ANSWER:C
12ANSWER:C
13ANSWER:B
14ANSWER:A
15ANSWER:D
16ANSWER:D
17ANSWER:A
18ANSWER:A
19ANSWER:D
20ANSWER:C
