TNPSC Group 4 2016
Aptitude Questions 1 to 26
1.
\(\left(-1\dfrac{2}{7}\right) + \left(-3\dfrac{5}{7}\right) + \left(6\dfrac{4}{7}\right)\) is ____________________ .
Answer:
C.
\(\dfrac{11}{7}\)
2.
The population of a city in the year 2014 is 1,80,000 and increases at a rate of 20% per year. Find the population of the city in the year 2016?
Answer:
B.
2,59,200
3.
3 - 25 here, which of the following number is suitable in -, so that the number will be a perfect square?
Answer:
B.
0
4.
The average mark of 10 children is 80 then their total mark is
Answer:
C.
800
5.
A man and woman are engaged in a work. A man can do a piece of work in 4 days and the woman can do in 12 days. Find how many days will they take to finish it together?
Answer:
D.
3 days
6.
Which of the following set of measurements will form a right angle triangle?
Answer:
C.
\(5,\; 5,\; 5\sqrt{2}\)
7.
The value of \(\sqrt{609+\sqrt{248+\sqrt{60+\sqrt{7+\sqrt{81}}}}}\)
Answer:
B.
25
8.
The price of a house is decreased from rupees fifteen lakhs to rupees twelve lakhs. The percentage of decrease is
Answer:
B.
20%
9.
If \(3(t - 3) = 5(2t + 1)\) then \(t = ?\)
Answer:
A.
- 2
10.
The value of \(\dfrac{1.75 \times 1.75 + 2 \times 1.75 \times 0.75 + 0.75 \times 0.75}{1.75 \times 1.75 - 0.75 \times 0.75}\)
Answer:
D.
2.5
11.
The value of \(16^3 + 7^3 - 23^3\) is
Answer:
A.
-7728
12.
Find the next term of 4 in the series is 1, 1, 2, 8, 3, 27, 4, ...
Answer:
D.
64
13.
Three angles of a triangle are \(x - 30^\circ,\; x - 45^\circ,\; x + 15^\circ\), find the value of \(x\).
Answer:
C.
\(80^\circ\)
14.
The difference between simple interest and compound interest for a sum of Rs. 12,000 lent at 10% per annum in 2 years, is
Answer:
C.
Rs. 120
15.
The base of a triangle is four times its height and its area is \(50\ \text{m}^2\). The length of the base is
Answer:
C.
20 m
16.
A can do a piece of work in 20 days and B can do it in 25 days. Both of them finished the work and earned Rs. 3,600. Then A's share is
Answer:
B.
Rs. 2,000
17.
If \(\left(\dfrac{7}{12}\right)^{-4} \times \left(\dfrac{7}{12}\right)^{3x} = \left(\dfrac{7}{12}\right)^5\) then the value of \(x\) is
Answer:
D.
3
18.
If 22 men can build a wall of 110 meters in 10 days, the length of a similar wall built by 30 men in 6 days is
Answer:
B.
90 m
19.
If the ratio of length and breadth of a rectangle is 4 : 7. Find the length while its breadth is 77cm.
Answer:
C.
44 cm
20.
A room is 5 m 40 cm long and 4 m 50 cm broad. Its area is
Answer:
B.
\(24.3\ \text{m}^2\)
21.
Simplify
\(5\dfrac{1}{4} + 4\dfrac{3}{4} + 7\dfrac{5}{8} + 6\dfrac{7}{8} \div 11\dfrac{3}{4}\)
\(5\dfrac{1}{4} + 4\dfrac{3}{4} + 7\dfrac{5}{8} + 6\dfrac{7}{8} \div 11\dfrac{3}{4}\)
Answer:
A.
\(\dfrac{98}{47}\)
22.
Find the rate of interest at which, a sum of money becomes \(\dfrac{9}{4}\) times in 2 years
Answer:
C.
\(62\dfrac{1}{2}\%\)
23.
The breadth, height and volume of a cuboid are 10 cm, 11 cm and 3080 cm\(^{3}\) respectively. Find the length of the cuboid
Answer:
B.
28 cm
24.
A man bought an old bicycle for Rs. 1,500. He spends Rs. 500 on its repair and sells it for Rs. 1,800. Find the percentage of his loss.
Answer:
A.
10%
25.
Find the LCM of \(a^{3}b^{4},\ ab^{5},\ a^{2}b^{7}\).
Answer:
B.
\(a^{3}b^{7}\)