TNPSC Group 2 2012 Preliminary Examination
Aptitude Questions 1 to 8
1.
Find the remainder when \(2^{30}\) is divided by 5
Answer:
D.
4
2.
A six digit number is formed by repeating a three digit number. Example 341341 etc. Any number of this form is always divisible by
Answer:
C.
1001
3.
Item: Food Clothing Education House rent Others
Expenditure: 300 75 40 75 110
When we represent the data on percentage diagram, the percentage of expenditure on clothing is
Expenditure: 300 75 40 75 110
When we represent the data on percentage diagram, the percentage of expenditure on clothing is
Answer:
C.
12.5%
4.
If BHASHA is coded as 154754, BRAIN is coded as 13408, AHINSA will be coded as
Answer:
D.
450874
5.
The sum of odd numbers from 1 to 31 is
Answer:
B.
256
6.
What is the value of X in Fig. II?
Answer:
B.
16
7.
For a set of 500 observations variance is found to be 125. If 25 is added to each observation and 55 is subtracted then the new variance is
Answer:
D.
125
8.
Two students A and B scored the same average marks in 10 tests and the standard deviation of marks are 2.5 and 3 respectively for A and B. If the consistency of performance is the criterion for awarding prize, then
Answer:
B.
A should get the prize