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CBSE - Aptitude Mathematics
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Practice Question
Aptitude Mathematics
.
Aptitude Mathematics
The next number in the geometric progression 5, 10, 20, ... is
1. 25
2. 30
3. 35
4. 40
Correct Answer: 4
.
Related Questions
Aptitude Mathematics
1
The difference between simple interest and compound interest on a certain sum of money for 3 years at 5% is Rs.30.50. Then the sum is
1. Rs.3,050
2. Rs.2,325
3. Rs.4,000
4. Rs.3,600
Correct Answer: 3
2
In an intelligence test, the results were as follows
Average marks of X = 40
Coefficient of Variation of X = 25
Average marks of Y = 50
Coefficient of Variation of Y = 40
Our interpretation is
1.X is more intelligent
2.Y is more intelligent
3.both are intelligent
4.none is intelligent
Correct Answer: 2
3
Variance of distribution is 100, then its standard deviation will be
1.25
2.50
3.80
4.10
Correct Answer: 4
4
What number must be added to each term of the ratio 25:37 that it may become equal to 5:6?
1. 53
2. 17
3. 35
4. 25
Correct Answer: 3
5
The marks of ten candidates in an examination were as follows
47,43,38,37,33,30,29,25,20,18. If assumed mean be 30, then standard deviation is
1.10 marks
2.8 marks
3.6 marks
4.9 marks
Correct Answer: 4
