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Browse complete papersWhat should come in the place of question mark '?' in the following number series?
100, ?, 28, 16, 10, 7
52
34
62
93
80
Correct answer
52
What should come in place of the question mark '?' in the following number series?
18, 10, 12, 28, 120, ?
986
452
956
555
976
Correct answer
986
What should come in place of the question mark '?' in the following number series?
126, 147, 168, ?, 210, 231
178
196
190
175
189
Correct answer
178
What should come in place of the question mark '?' in the following number series?
11, 27, 45, 65, ?, 111
98
81
87
103
78
Correct answer
98
What should come in place of the question mark '?' in the following number series?
3, -2, 6, -15, ?, -315
62
64
63
65
60
Correct answer
62
Find the time duration at which principal amount of 10,000 doubles at rate of interest of 10% p.a.
6 years
10 years
8 years
5 years
12 years
Correct answer
6 years
Ram starts a business with an investment of Rs. 15000. After 4 months Sam joined him with (3/5)th of Ram's investment and Ram withdraws Rs. 5000 from his investment. If the profit earned after a year is Rs. 21200, find the share of Ram.
Rs. 7200
Rs. 8200
Rs. 13200
Rs. 14000
Rs. 9200
Correct answer
Rs. 7200
5 times the speed of stream is equal to 2 times boat’s speed in still water. If the boat covers 21 km in 2 hours downstream, find time to cover 63 km upstream (in hours)
11
12
13
14
15
Correct answer
11
A tank has dimensions 40 cm × 20 cm × 30 cm. It is filled with water up to 14 cm height. What is the ratio of volume of filled portion to unfilled portion?
8 : 7
7 : 15
15 : 7
7 : 8
None of these.
Correct answer
8 : 7
A container is full of spirit and water, where the percentage of spirit is 62.5%. Now 16 liters of mixture is replaced with pure water. Now in the container, the ratio of spirit and water is 3 : 5, Find the capacity of the container.
48 liters
40 liters
42 liters
32 liters
None of these
Correct answer
48 liters