TNPSC Group 2 2015 Preliminary Examination
Aptitude Questions 1 to 25
1.
If "HYDROGEN" is represented as JCJZYSSD, how "ANTIMONY" will be represented as
Answer:
B.
CRZQWABO
2.
Arrange in descending order:
\(\sqrt[3]{12},\ \sqrt[4]{20},\ \sqrt[3]{25},\ \sqrt{80},\ \sqrt[12]{112}\)
\(\sqrt[3]{12},\ \sqrt[4]{20},\ \sqrt[3]{25},\ \sqrt{80},\ \sqrt[12]{112}\)
Answer:
A.
\(\sqrt{80},\ \sqrt[3]{12},\ \sqrt[4]{20},\ \sqrt[6]{25},\ \sqrt[12]{112}\)
3.
Find the range of the following data :
25, 67, 78, 43, 21, 17, 49, 54, 76, 92, 20, 45, 86, 37, 35.
25, 67, 78, 43, 21, 17, 49, 54, 76, 92, 20, 45, 86, 37, 35.
Answer:
B.
75
4.
A is B's sister, C is B's mother, D is C's father, E is D's mother. Then, A is the __________ of D.
Answer:
D.
Grand daughter
5.
A is richer than B, C is richer than A, D is richer than C. E is the richest of all. If they are made to sit in the above degree of richness, who will have the central position?
Answer:
C.
C
6.
A hollow cylindrical iron pipe is of length 35 cm. Its outer and inner diameters are 10 cm and 8 cm respectively. Find the weight of the pipe if 1 cu.cm of iron weighs 7 gm.
Answer:
A.
6.93 kg
7.
Find out the missing term in the given alphabet series.
AZ, GT, MN, _____, YB
AZ, GT, MN, _____, YB
Answer:
B.
SH
8.
7 men can complete a work in 52 days. In how many days will 13 men finish the same work?
Answer:
D.
28 days
9.
If \(\dfrac{a}{b}=\dfrac{9}{5}\) then \(\dfrac{a+b}{a-b}\) = ?
Answer:
D.
\(\dfrac{7}{2}\)
10.
Find the LCM of \(4^{5},\ 4^{-81},\ 4^{12}\) and \(4^{7}\)
Answer:
A.
\(4^{12}\)
11.
Find the missing number in the following:
4242, 4254, 4230, 4266, 4218, 4278, _________
4242, 4254, 4230, 4266, 4218, 4278, _________
Answer:
D.
4206
12.
The average of 4 values is 20 and when a quantity is added to each value the average is 22. Find the quantity.
Answer:
B.
2
13.
If \(x+\dfrac{1}{x}=2\), find the value of \(x^{3}+\dfrac{1}{x^{3}}\).
Answer:
B.
2
14.
Find the H.C.F of \(\dfrac{4}{9},\ \dfrac{2}{5},\ \dfrac{6}{8},\ \dfrac{2}{5}\)
Answer:
A.
\(\dfrac{1}{180}\)
15.
A survey in which information is collected from each and every individual of the population is known as
Answer:
A.
Census
16.
Find the principal that yield a compound interest of Rs. 1,632 in 2 years at 4% rate of interest per annum.
Answer:
B.
Rs. 20,000
17.
Mohan started from point P and walked 2 m towards west. He then took a right turn and walked 3 m before taking a left turn and walked 5 m. He finally took a left turn, walked 3 m and stopped at a point Q. How far is point Q from point P?
Answer:
C.
7 m
18.
Richard is fifteenth from the front in a column of boys. There were thrice as many behind him as there were in front. How many boys are there between Richard and the seventh boy from the end of the column?
Answer:
C.
35
19.
If 12 compositors can compose 60 pages of a book in 5 hours, how many compositors will compose 200 pages of the book in 20 hours?
Answer:
B.
10
20.
If the length of a rectangle is decreased by 50% and the breadth is increased by 80%, then the % change in the area of rectangle is
Answer:
A.
decreased by 10%
21.
The difference between simple and compound interest for a sum of Rs. 5,000 lent at 12% per annum in 2 years is
Answer:
C.
Rs. 72
22.
What percent is 20 paise of 5 rupees 80 paise?
Answer:
B.
\(3\dfrac{13}{29}\%\)
23.
A voluntary organization planted a total of 106 trees along the road side. Some of the trees were fruit bearing trees. If the number of non-fruit bearing trees was two more than thrice the number of fruit bearing trees, what was the number of fruit bearing trees planted?
Answer:
D.
26
24.
If "ORIENT" is written as "532146" and "SOUL" is "7598", how will you write "LINE"?
Answer:
C.
8241
25.
If 7 is related to 56 then 10 is related to
Answer:
D.
90