Core companies in the field of Telecommunication Engineering

Will you please share with me the list of some of the best core companies in the field of Telecommunication Engineering?

[Raman Vij]

As you want to get the list of some of the best core companies in the field of Telecommunication Engineering so here it is for you:

LG Electronics India Pvt ltd, Noida

Sony India Ltd, New Delhi

Hawlet Packard, Bangalore

Samsung India Electronics Pvt, New Delhi

Mahanagar Telephone Nigam ltd, New Delhi

TATA Communication Ltd, Mumbai

HCL Infosystem Ltd, Noida

Reliance Communication Ltd, Mumbai

Bharathi Airtel Ltd, New Delhi

IBM India Pvt Ltd, Bangalore

Philips Electronics India Ltd, Mumbai

Idea Cellular Ltd, Santasur

Here for your reference I am giving you the previous year placement question papers of IBM India:

Online Aptitude Test:
1) 3,7,10,8,4,12,0,5,5,3,2,?

AnsDivide the 3 elements into one group ) 3+7=10,8+4=12,0+5=5,so 3+2=5 is the answer.

2) 0,1,1,2,0.5,2,2,4,2,2,4,3,7,2,?

3) 1,1,2,4,6,36,39,1521,?

4) 7,4,6,3,4.5,1.5,2.25,? Ans: -0.75

5) 2,9,5,49,11,169,? Ans:22

6) 49,7,98,16,4,48,9,3,36,25,5,?

7) 2,6,5,14,11,26,17,? Ans:60

8) 7,0,1,8,5,12,9,26,3,23,2,? Ans:28

9) 2,3,10,15,26,? Ans:35

10) 5,16,22,68,28,87,36,106,11,? Ans:45

11) 7776,625,64,9,?

12) 13,24,36,23,34,56,33,44,96,43,54,? Ans:116

13) 0,1,2,0.5,2,2,2,2,4,3,2,? Ans:3.5

14) 18,24,5,21,27,8,17,23,4,24,30,? Ans:9

15) 3,5,2,100,4,7,3,196,1,6,5,? Ans:144

16) 8,5,9,7,2,25,5,1,16,8,6,? Ans:15

17)-3,6,1,-2,4,-1,-1,2,-3,?

18)1/4,1/4,1/2,3/2,6,? Ans:30

19) 8,0.5,16,4,15,0.3,50,4.5,6,0.2,30,?

20) 9,4,16,6,36,21,441,? Ans:421

21) 4,2,5,9,5,11,13,7,16,17,9,?

22) 33,8,41,46,21,67,72,47,119,124,?

23) 3,2,1,4,5,4,1,0,6,3,?

24) 30.5,31,30,0,67.2,67,70,100,183.9?

25) 48,24,35,7,16,8,75,15,80,40,?

26) 1.8,3,0,6,2.5,5,0.5,3.4,2,1.7,4.8,6,? Ans=0.8

27) 1370,1320,1070,-180,?

28) 9,3,24,4,9,3,36,6,9,3,30,?

29) 52,62,42,78,89,68,49,61,39,63,76,?

30) -16,-8,4,24,12,-6,-40,?

31) 49,6,25,4,36,5,81,5,?

32) 9,3,6,21,9,12,33,15,18,?

33) 12,3,15,14,6,19,9,23,18,12,?

34) -15,-14,34,32,-42,-39,58,54,-61,?

35) 38,36,76,35,114,34,?

36) 30.5,31,30,0,67.2,67,70,100,183.9,?

37) 11,8,17,14,23,24,31,32,?

38) 10,12,-36,-7,-5,15,19,21,?

39) 44,4.4,0.88,0.264,0.1056,?

40) 11.5,17.5,35.5,89.5,?

41) 2,3,10,15,26,35,50,?

42) 1/3,1/2,1/4,2 1/3,3 1/2, 4 1/4, 4 1/3, 6 1/2,?

43) 1.25,3,7.1,1.5,1,8.1,1.75,-1,9.1,0.75,2. 00

44) 5,1,2,8,1,0,9,2,3,14,1.3,2,?

45) 1 ,3 ,1 ,2.5 ,5 ,1 ,4 ,5 ,4 ,8 ,7

46) A series like this 41.45 ,41.5 ,42 ,18.23 ,18.2 ,18

47) 11 ,8 ,17 ,14 ,23 ,24 ,31 ,32

48) 4 ,3 ,144 ,1.5 ,2 ,9 ,3.2 ,2

49) 4.2 ,7.2 ,11.4 ,6.1 , 9.1 , 15.2 ,3.8 , 6.8

50) 1/5 , 1/2 , 1/3 , 2/5 ,1, 2/3, 3/5, 1 1/2 ,1, 4/5

51) 5, 1, 2, 8, 8, 1, 0, 9, 9, 2, 3

52) 5, 1, 2, 8, 1, 0, 9, 2, 3, 14, 1, 3

53) 6, 3, 3, 9, 12, 5, 7, 35, 8, 6, 2

54) 24, 42, 1/2, 2, 65, 56, 1 1/5, 5/6, 73, 37

55) 4, 2, 5, 9, 5, 11, 13, 7, 16, 17, 9

56) 8, 16, 3, 27, 4, 8, 7, 19, 2, 0, 7

57) 5/6, 1/3, 1/2, 1/2, 2/8, 1/4, 5/6, 1/6, 2/3, 1/2, 1/3

58) 115, 100, 86, 74, 65, 60

59) 100, 98, 95, 90, 83

60) 0, 8, 12, 26, 23

61) 7.2, 2.2, 3.2, 16, 11, 12, 60, 55, 56

62) 18, 24, 5, 21, 8, 27, 17, 23, 4, 24, 30

63) .7 , 1.2, 1.2 , 2.2 , 1.7, 3.2, 2.2, 4.2 , ?

.7+.5=1.2+.5=1.7 ans 2.7

64) 81, 9^2, 162, 49, 7^2, 98, 25, 5^2, 50, 64, 8^2 ?

81*2=162 so,ans = 64*2= 128

65) 1, 1, 2, 4 , 6, 36, 39, 1521, ?

1+1=2
4+2=6
36+3=39
1521+4= 1525 (ans)

66) 2, 3, 10, 15, 26, 35,50, ?

67) 2, 8, 3, 27, 4, 64, 5, 125, 6, 216, ?

See alternate no.s -> 2, 3, 4.ans=7

68) 2, 3, 6, 13, 28, ?

*2-1, *2+0, *2+1.ans= 28*2+3= 59

69) 38, 36, 76, 35, 114, 34, ?

Alternate -> 38+38=76
76+38=114
114+38=152 (ans)

70) 1/5, 1/2, 1/3, 2/5 , 1, 2/3,3/5, 3/2, 1, 4/5, ?

Alternate starting with 1/2 ; skip 2 and -> 1/2, 1, 3/2 , 2 (ans =2)

71) 96, 64, 128, 192, 128, 256, 288, 192, ?

Break such questions like this (96, 64, 128,) (192, 128, 256,) (288, 192, ?)
First*2=second set\'s numbers. First*3= third set. Ans=128*3

72) 1370, 1320, 1070, -180, ?

difference -> -50, -250, -1250 -> 50*5, 250*5, next will be -1250*5

73) 3, 2, 1, 4, 5, 4, 5, 1, 0, 6, 3, 2, ?

3,( 2, 1), 4,( 5, 4), 5, (1, 0), 6, (3, ?) second term one less . so ans = 2

74) 1 1 1 2 2 2 3 4 3 3 5 6 ?

(1 1) 1 2 (2 2) 3 4 (3 3) 5 6 ? ans=4

75) 507, 169, 248, 62, 36, 12, 168, 42, 168 ?

(507= 169*3), 248, 62, (36=12*3), 168, 42, (168=x*3)-> x=56 (ans)

76) 7.2, 2.2, 3.2, 16, 11, 12, 60, 55, 56, ?

7.2 + 8.8= 16+ 44= 60 + 2.2= 62.2 (ans) [not sure about answer]

77) 2, 6, 5, 14, 11, 26, 17 , ?

Alternate starting with first: +3 , +6 , +6
Now starting with second number: +8, +12 , +12 . so ans = 26+12

78) 115, 100, 86, 74, 65, 60, ?

Difference : 15, 14, 12,9, 5 Now difference of these : 1, 2, 3, 4, next 5
So 5-5=0
Ans=60-0=60

79) 8 5 9 7 2 25 5 1 16 8 6 ?

(8 -5=3 ) -> 3^2=9 (7-2=5)->5^2= 25 5 1 16 (8- 6=2) so answer 2^2=4

80) -5 1 -11 23 29 17 -20 -14 ?

-5 (1 -12=-11) 23 (29 -12=17) -20 (-14 -12=-26) ans=-26

81) 3,7,10,8,4,12,0,5,5,3,2,?

AnsDivide the 3 elements into one group ) 3+7=10,8+4=12,0+5=5,so 3+2=5 is the answer.

82) 0,1,1,2,0.5,2,2,4,2,2,4,3,7,2,?

83) 1,1,2,4,6,36,39,1521,?

84) 7,4,6,3,4.5,1.5,2.25,? Ans: -0.75

85) 2,9,5,49,11,169,? Ans:22

86) 49,7,98,16,4,48,9,3,36,25,5,?

87) 2,6,5,14,11,26,17,? Ans:60

88) 7,0,1,8,5,12,9,26,3,23,2,? Ans:28

89) 2,3,10,15,26,? Ans:35

90) 5,16,22,68,28,87,36,106,11,? Ans:45

91) 7776,625,64,9,?

92) 13,24,36,23,34,56,33,44,96,43,54,? Ans:116

93) 0,1,2,0.5,2,2,2,2,4,3,2,? Ans:3.5

94) 18,24,5,21,27,8,17,23,4,24,30,? Ans:9

95) 3,5,2,100,4,7,3,196,1,6,5,? Ans:144

96) 8,5,9,7,2,25,5,1,16,8,6,? Ans:15

97) -3,6,1,-2,4,-1,-1,2,-3,?

98) 1/4,1/4,1/2,3/2,6,? Ans:30

99) 1/4, 1/4, 1/2, 3/2, 6, ?

100) 0.8, 1.8, 3.6, 3.6, 4.6, 9.2, 9.2, 10.2, ?

101) 22, 19.5, 21.45, 33, 30.5, 33.55, 44, 41.5, ?

102) 15 3/4, 16, 26, 9 1/5, 9, 19, 64 2/3, 65, 75, 30 3/8, ?

103) 3, 2, 1, 4, 5, 4, 5, 1, 0, 6, 3, ?

104) 3/2, 2 1/4, 9/4, 7/2, 12 1/4, 49/4, 4/3, 1 1/7, 16/9, ?

105) 18, 24, 5, 21, 27, 8, 17, 23, 4, 24, 30, ?

106) 100, 98, 95, 90, 83, ?

107) 1, 3, 3, 2, 8, 10, 3, 4, 12, 4, 8, ?

108) 49, 7, 98, 16, 4, 48, 9, 3, 36, 25, 5, ?

109) 9, 12, 4, 8, 12, 15, 5, 9, 3, 6, 2, 6, 6, 9, ?

110) 5/6, 1/3, 1/2, 1/2, 2/8, 1/4, 5/6, 1/6, 2/3, 1/2, 1/3, ?

111) 33, 8, 41, 21, 67, 72, 47, 119, 124, ?

112) 1/7, 3/4, 4/9, 5/6, 7/11, 7/8, ?

113) 7, 4, 6, 3, 4.5, 1.5, 2.25, -0.75, ?

114) 1,2,3,6,11,20,37,68,_____
(sum of previous two+ current face value Ans=20+37+68)

115) 9,3,24,4,9,3,36,6,9,3,30,____
(pattern is x*3,x*6 Ans=5)

116) 44,4.4,.88,.264,0.1056,____
(x*.1,x*.2,x*.3.....Ans=0.5*0.1056)

117) 38,36,76,35,114,34,____
(Ans=38*4)

118) -12,6,-15,-5,28,-14,9,3,-18,____
(Ans=9)

119) 5,1,2,8,8,1,0,9,9,2,3,______
(Ans=14)

120) 56,89,33,21,57,88,35,19,60,85,30,____
(Ans=24)

121) 3,4.5,7,4,6,5.5,5,7.5,10,6,______
(Ans=9.0)

122) 7,-35,-34,-3,15,16,4,________
(Ans=-20)

123) 11,8,17,14,23,24,31,32,______
(Ans=43)

124) 1.8,3,0.6,2.5,5,0.5,3.4,2,1.7,____
(Ans=4.5)

125) 1,2,3,611,20,37,68,________
(This question got repeated for me twice same as 1)

126) 9,3,6,21,9,12,33,15,________
(Ans= 33-15)

127) -16,-8,4,24,12,-6,-40,_______
(Ans=-20)

128) 4.2,26.0,8.9,8.4,52.0,17.8,16.8,104.0,_______
(Ans=17.8*2)

129) 340,680,1428,3141.6,________