TNPSC Group 4 2012
Aptitude Questions 1 to 8
1.
The harmonic mean and geometric mean of two values are 6.4 and 8
respectively. The values are
respectively. The values are
Answer:
C.
4 and 16
2.
If the sum of 3 consecutive integers is 540. then integers are
Answer:
D.
179, 180, 181
3.
From the group of 5 men and 5 women, two persons are chosen at random. The probability that one of them is man and the other woman is
Answer:
C.
\(\dfrac{5}{9}\)
4.
A box contains 4 red, 5 blue and 6 green balls of identical size. Two balls are drawn at random. The probability that one is blue and the other is green is
Answer:
B.
\(\dfrac{5 \times 6 \times 2}{15 \times 14}\)
5.
Five boys A, B, C, D & E are sitting in a park in a circle. A is facing south west. D is facing south east. B and E are right opposite to A and D respectively and C is equidistant between D and B. Which direction is C facing to?
Answer:
D.
East
6.
A man earns Rs. 28.000 as monthly salary. His expenditure and savings are given in the diagram. How much did he spend on entertainment?
Answer:
B.
Rs. 1,960
7.
The trader marks his goods at 20% above cost price and allows 10% discount. Then the gain per cent is
Answer:
B.
8%
8.
In a division sum the divisor is 12 times the quotient and 5 times the remainder. If the remainder is 24, then the dividend is
Answer:
A.
1224