TNPSC Group 2 2025 Preliminary Examination
Aptitude Questions 1 to 25
1.
3 men or 4 women or 12 boys can complete a work in one day. In how many days a man, a woman and 5 boys together can complete that work?
Answer:
A.
1 day
2.
The diameter of a sphere is 8 cm. It is melted and drawn into a wire of diameter 3 mm. The length of the wire is ________.
Answer:
B.
37.9 m
3.
A sum of money becomes Rs. 13,380 after 3 years and Rs. 20,070 after 6 years on compound interest. Find the sum
Answer:
D.
Rs. 8,920
4.
Seats for Mathematics, Physics and Biology in a school are in the ratio 5 : 7 : 8. There is a proposal to increase these seats by 40%, 50% and 75% respectively. What will be the ratio of increased seats?
Answer:
A.
2 : 3 : 4
5.
A, B and C start at the same direction to run around a circular stadium. A completes a round in 252 seconds. B in 308 seconds and C in 198 seconds, all starting at the same point. After what time will they meet again at the starting point?
Answer:
C.
46 minutes 12 seconds
6.
The cost of 15 kg of sugar is Rs. 255, the cost of 17 kg of tea is Rs. 1,615 and the cost of 22 kg of rice is Rs. 572. What is the total cost of 18 kg of sugar, 21 kg of tea and 27 kg of rice?
Answer:
C.
Rs. 3,003
7.
The income of a person is increased by 10% and then decreased by 10%. Find the change in his income in percentage.
Answer:
A.
reduced by 1%
8.
Find the next term.
64, 32, 48, 120, 420, _____
64, 32, 48, 120, 420, _____
Answer:
B.
1890
9.
Directions: Based on the digit-alphabets-symbols series given below, answer the following.
@18HLI6K*&?UE
How many numbers are there in the series which are preceded by a vowel and succeeded by a consonant?
@18HLI6K*&?UE
How many numbers are there in the series which are preceded by a vowel and succeeded by a consonant?
Answer:
D.
One
10.
Ravi ranks 9th in a class of 45 students. There are 18 students below Raj Rankwise. How many students are there between Ravi and Raj rankwise?
Answer:
B.
17
11.
There are 9 color boxes Red, Black, White, Green, Yellow, Blue, Orange, Violet, Pink but not necessarily in same order. Only 5 boxes placed between Red and White. Yellow is placed immediate above White. Only three boxes are placed between Yellow and Green. As many boxes placed between Red and Green as between Black and Yellow. Blue is placed below black but not at bottom. More than 4 boxes are placed between Yellow and Blue one box is placed between blue and orange. Pink box is placed above Violet. Which box is placed immediate above and immediate below Black?
Answer:
A.
Pink and Green
12.
If DANGER is coded as 10-7-20-13-11-24, then the code of 'MACHINE' in the same code is
Answer:
D.
19-7-9-14-15-20-11
13.
If → stands for 'addition',
← stands for 'subtraction',
↑ stands for 'division',
↓ stands for 'multiplication',
↗ stands for 'equal to' then which of the following alternatives is correct?
← stands for 'subtraction',
↑ stands for 'division',
↓ stands for 'multiplication',
↗ stands for 'equal to' then which of the following alternatives is correct?
Answer:
D.
2 ↓ 5 ← 6 → 2 ↗ 6
14.
A, B and C can separately do a work in 12, 15 and 20 days respectively. They started to work together but C left after 2 days. Then A and B will finish the remaining work in _________ days.
Answer:
A.
4
15.
A square park is surrounded by a path of uniform width 2 metre all around it. The area of the path is 288 sq. metres. Find the perimeter of the park
Answer:
D.
136 m
16.
A borrows Rs. 16,000 at 12% p.a. simple interest and B borrows Rs. 12,000 at 18% p.a. simple interest. In how many years will their amounts debt be equal?
Answer:
C.
\(16\dfrac{2}{3}\) years
17.
A man spends Rs. 500 in buying 12 tables and chairs. The cost of one table is Rs. 50 and that of one chair is Rs. 40. What is the ratio of the numbers of the chairs and tables purchased?
Answer:
A.
5 : 1
18.
If LCM of '\(a\)' and "\(a+2\)" is 1300. Find the LCM of "\(a\)" and \(a+1\).
Answer:
C.
2550
19.
Two numbers are in the ratio of 15 : 11. If their HCF is 13. Find the numbers.
Answer:
B.
195 and 143
20.
The least number of square tiles required to pave the ceiling of a room 15 m 17 cm long and 9 m 2 cm broad is
Answer:
B.
814
21.
If \(\dfrac{a}{b}=\dfrac{4}{5}\) and \(\dfrac{b}{c}=\dfrac{15}{16}\) then \(\dfrac{c^2-a^2}{c^2+a^2}=\)
Answer:
B.
\(\dfrac{7}{25}\)
22.
The number 311 311 311 311 311 311 311 is _________
Answer:
A.
neither divisible by 3 nor by 11
23.
If \(A\rightarrow1,\ B\rightarrow2,\ C\rightarrow3,\ \ldots,\ Z\rightarrow26\)
\(A^B+B^C+C^A\) will not be equal to _________.
\(A^B+B^C+C^A\) will not be equal to _________.
Answer:
C.
\((B)(E)\)
24.
In a dice if 1 is opposite to 4 and 2 is opposite to 5, then
Answer:
C.
2 is adjacent to 3 and 6
25.
P is elder than Q. R is elder than Q but younger than P. S is elder than P but younger than T. Who is the youngest?
Answer:
C.
Q