71. Find the number that can be put in place of the question mark.
121, 102, 84, 72, 61, 54,?
Answer: 72
Explanation:5.5 = 2.2 * 2.5
8 = 5.5 + 2.5
36 = 8 * 4.5
40.5 = 36 + 4.5
263.25 = 40.5 * 6.5
The next number should be: 263.25 + 6.5 = 269.75.
Workspace
IBM
72. Find the number that can be put in place of the question mark.
764, 620, 520, 456, 400, 404,?
Answer: 404
Explanation:Here is no explanation for this answer
Workspace
IBM
73. Find the number that can be put in place of the question mark.
1337, 662, 331, 164, 81, 40,?
Answer: 662
Explanation:28*0.5=14
15*1.5=22.5
24.5*2.5=61.25
64.25*3.5=224.875.
Workspace
IBM
74. Find the number that can be put in place of the question mark.
3, 10, 101,?
Answer: 10202
Explanation:2x2x1=4;
3x3x2=18;
4x4x3=48;
5x5x4=100;
6x6x5=180;
7x7x6=294;
so answer is (d) 48.
Workspace
IBM
75. In the series 2, 6, 18, 54, ____ what will be the 8th term ?
Answer: 4374
Explanation:3+7=10,8+4=12,0+5=5,so 3+2=5
Workspace
IBM
76. Find the number that can be put in place of the question mark.
125,80,45,20,?
Answer: 5
Explanation:Here is no explanation for this answer
Workspace
IBM
77. Find the number that can be put in place of the question mark.
6, 13, 25, 51, 101, ?
Answer: 203
Explanation:Here is no explanation for this answer
Workspace
IBM
78. Find the number that can be put in place of the question mark.
1, 3, 4, 8, 15, 27, ?
Answer: 50
Explanation:Here is no explanation for this answer
Workspace
IBM
79. Which term of the series 5, 10, 20, 40, ____ is 1280?
Answer: 9th
Explanation:Here is no explanation for this answer
Workspace
IBM
80. Find the number that can be put in place of the question mark.
198, 194, 185, 169, ?
Answer: 144
Explanation:Here is no explanation for this answer
Workspace
IBM
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