CTET-TET PART II Previous Years Solved Question Papers of Mathematics and Science
MATHEMATICS AND SCIENCE
Directions: Answer the following questions by selecting the most appropriate option.
31. The ratio between the length and the perimeter of a rectangular plot is 1:3. What is the ratio between the length and breadth of the plot?
(1) 1: 2
(2) 2: 1
(3) 3: 2
(4) Data inadequate
Ans: (2)
32. If a * b = a2 + b2 and a . b = a2 - b2 , the value of (5 * 2) . 25 is
(1) 215
(2) 225
(3) 226
(4) 216
Ans: (4)
33. If a, b and c are three natural numbers in ascending order, then
(1) c2 - a2 > b
(2) c2 - a2 = b2
(3) c2 - a2 < b2
(4) c2 + b2 = a2
Ans: (1)
34. 'Buy three, get one free.' What is the percentage of discount being offered here ?
(1) 33.33%
(2) 25%
(3) 20%
(4) 28.56%
Ans: (1)
35. The Value of ?2 + ?3 + ?2 - ?3 is
(1) ?6
(2) 6
(3) 2?2
(4) 2?3
Ans: (3)
36. When recast, the radius of an iron rod is made one-fourth. If its volume remains constant, then the new length will become
(1) 1/4 times of the original
(2) 1/16 times of the original
(3) 16 times of the original
(4) 4 times of the original
Ans: (3)
37. Find the value of 547527/82 if 547.527/0.0082 = x
(1) x/10
(2) 10 x
(3) 100 x
(4) x/100
Ans: (3)
38. The smallest number by which 68600 must be multiplied to get a perfect cube is
(1) 5
(2) 10
(3) 8
(4) 12
Ans: (1)
39. A cyclist at 'C' is cycling towards 'B'. How far will he have to cycle from C before he is equidistant from both A and B ?
(1) 4 km
(2) 3 km
(3) 6 km
(4) 5 km
Ans: (4)
40. Unit's digit in 132003 is
(1) 1
(2) 3
(3) 7
(4) 9
Ans: (3)
41. A square sheet ABCD when rotated on its diagonal AC as its axis of rotation sweeps a
(1) cone
(2) spindle
(3) cylinder
(4) trapezium