VAO 2014 June GT TNPSC Question Paper

Group 4 VAO Question Papers

VAO 2014 June GT TNPSC Questions

1.
The average age of 50 students in 10th std class is 15 years. 10 more students are admitted a fresh in the class and the average age is increased by 0.5 years. The average age of the newly joined students is
A.
15
B.
16
C.
17
D.
18
😑 View Answer Rough Work
ANSWER :
D. 18
2.

What percentage of students does not like computer science?

Subject No. of students
Mathematics 6
Physics 12
Chemistry 15
Computer Science 9
A.

91%

B.

9%

C.

82%

D.

18%

😑 View Answer Rough Work
ANSWER :

C. 82%

3.
If the simple interest for an amount at 4% per annum for 3 years is Rs. 1,200. Find the compound interest at the same rate for the same amount for 2 years.
A.
Rs. 10,116
B.
Rs. 10,720
C.
Rs. 10,616
D.
Rs. 816
😑 View Answer Rough Work
ANSWER :
D. Rs. 816
4.

Which of the following is/are true?

(i) ax = bx => a = b

(ii) x/a =x/b => a = b

(iii) a = b => ax = bx

(iv) a + x = b + x => a = b

A.

(i), (ii), (iii) and (iv)

B.

(i), (iii) and (iv) only

C.

(i) and (iv) only

D.

(iii) and (iv) only

😑 View Answer Rough Work
ANSWER :

D. (iii) and (iv) only

5.
Two dice are thrown simultaneously. The proability of getting a doublet is
A.
1/36
B.
1/3
C.
1/6
D.
2/3
😑 View Answer Rough Work
ANSWER :
C. 1/6
6.

The mean of the first n natural numbers

A.

B.

C.

D.

n2

😑 View Answer Rough Work
ANSWER :

C.

7.
In a set of first 'x' natural numbers there 30 prime number. Find the number of composite numbers in the above set.
A.
x - 30
B.
30 - x
C.
x - 29
D.
x - 31
😑 View Answer Rough Work
ANSWER :
D. x - 31
8.
If '+' means 'x', '-' means '+', 'x' means '÷' and '÷' means '-' then the value of 84 x 28 + 8÷10 - 9
A.
23
B.
22
C.
30
D.
26
😑 View Answer Rough Work
ANSWER :
A. 23
9.

Consider the following statements.

I. The sun is a medium sized star

II. It is about two billion years old

III. It consist of almost entirely of hydrogen and helium

Which of the statements given above is/are correct?

A.

I only

B.

I and II

C.

I and III

D.

I, II and III

😑 View Answer Rough Work
ANSWER :

C. I and III

10.

Consider the following statements.

I. Forests grow lush in areas where there are conditions such as high temperature, low rainfall and fertile soils.

II. Forests grow lush in areas where there are conditions such as high temperature and heavy rainfall throughout the year and fertile soils.

Which of the statements given above is/are correct?

A.

I only

B.

II only

C.

I and II only

D.

I and II are wrong

😑 View Answer Rough Work
ANSWER :

B. II only