# Solved Paper Diploma in Elementary Education (JBT) Course Entrance 2019 [D.El.Ed] [Part-3]

By | August 5, 2019

51. Arjun is twice as old as Shriya. Five years ago his age was three times Shriya’s age. Find their present ages.

1. 10 years, 20 years.
2. 5 years, 10 years
3. 15 years, 30 years
4. 12 years, 24 years

52. The diagonals of a rhombus are 7.5 cm and 12 cm. Find its area?

1. 45 cm2
2. 90 cm2
3. 35 cm2
4. 80 cm2

53. The surface area of a sphere of radius 14 cm is :

1. 2464 cm2
2. 2468 cm2
3. 2064 cm2
4. 2664 cm2

54. A right circular cone whose slant height is 10 cm and base radius is 7 cm. The curved surface area will be :

1. 240 cm2
2. 200 cm2
3. 220 cm2
4. 210 cm2

55. The factors of X2+10X+21 are

1. (X+2) (X+5)
2. (X-3) (X+5)
3. (X+2) (X-5)
4. (X+3) (X+7)

56. The cube root of number 8000 is …….

1. 80
2. 40
3. 20
4. 8

57. Cos (90°-A) =?

1. Cos A
2. –Cos A
3. Cosec A
4. Sin A

58. A square whose side is 12 cm. Then its perimeter will be

1. 144 cm
2. 24 cm
3. 48 cm
4. 50 cm

59. A man got 10% increase in his salary. If his new salary is Rs. 1,54,000. Then his original salary is

1. 1,50,000
2. 1,60,000
3. 1,40,000
4. 1,45,000

60. How many multiples of 4 lies between 10 and 250?

1. 40
2. 50
3. 60
4. 70

61. Meeta saves Rs 400 from her salary. If this is 10% of her salary. What is her salary?

1. 4000
2. 5000
3. 400
4. 6000

62. The surface area of Cube is ……..

1. A3
2. 6a2
3. A2
4. 2a2

63. If 60 % of (x-y) = 40% of (x+y). Then what percent of x is y?

1. 20%
2. 25%
3. 22%
4. None of these

64. Find the missing number in the series 2,5,11,22,32,47, ……….. 86

1. 60
2. 65
3. 58
4. 62

65. If x+y = 18 and xy = 72 . What is the value of (x2)+(y2)

1. 120
2. 90
3. 180
4. None of these

66. What is the additive inverse of -3/7

1. 7/3
2. 3/7
3. -7/3
4. None of these

67. 81 : 27 :: 93 : ?

1. 39
2. 63
3. 31
4. 13

68. For what value of K, the number 7236K2 is divisible by 8?

1. 7
2. 5
3. 4
4. 9

69. Find a Pythagoras Triplet whose one number is 12?

1. (12,15,17)
2. (12,,35,37)
3. (12,13,14)
4. (5,12,14)

70. Find the smallest square number which is exactly divisible by 4, 9 and 10

1. 900
2. 400
3. 490
4. 360

71. What would be the proper ascending order of the following

1. Decametre

2. Meter

3. Kilometer

4. Centimeter

5. Millimeter

1. (54123)
2. (54321)
3. (54213)
4. (23154)

72. Largest four number digit is

1. 9989
2. 9000
3. 9888
4. 9999

73. Find the smallest number by which 216 should be divided to make the result a perfect square.

1. 4
2. 3
3. 6
4. 2

74. Which will be the smallest number of 7 digits using 0,1,2,3,4,5, and 6?

1. 1204536
2. 1023456
3. 1042356
4. 1654320

75. The age of Raju’s father is 5 times more then the three times the age of Raju what is the age of Raju. If his father’s age is 44 years.

1. 14 yr
2. 46 yr
3. 40 yr
4. 13 yr