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CBSE - Aptitude Mathematics
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Practice Question
Aptitude Mathematics
.
Aptitude Mathematics
Gangoly purchased 13 tins at Rs.50 each, 25 tins at Rs.52 each and 2 tins at Rs.100 each. Average price per tin is
1. Rs.52.95
2. Rs.51.85
3. Rs.53.75
4. Rs.58
Correct Answer: 3
.
Related Questions
Aptitude Mathematics
1
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
2
15% of 60 added to 20% of which number gives 74 ?,
(1) 325
(2) 285
(3) 145
(4) 425
Correct Answer: 1
3
A.M., G.M., and H.M. of 1 and 2 are
1.1.5, 1.414, 1.333
2.3/2, v2, 1.3
3.1.5, v2, 4/3
4.3/2, 1.4142, and 1.3333
Correct Answer: 3
4
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
5
The square root of 0.9 is nearly
1. 0.3
2. 0.03
3. 0.9
4. 0.009
Correct Answer: 3
