Reasoning & Aptitude
Q.1
Medium
In 2024, Tamil Nadu ranked _____ in India's manufacturing sector by GVAO (Gross Value Added at Output).
A First
B Second
C Third
D Fourth
Correct Answer:
B. Second Explanation:
As of 2024, Tamil Nadu is the second-largest manufacturing hub in India after Gujarat, contributing significantly to the national economy.
Q.2
Medium
If a series progresses as 2, 6, 12, 20, 30... what is the 10th term?
Explanation:
The series follows the pattern n(n+1). For n=10: 10×11=110. The pattern is 1×2, 2×3, 3×4, 4×5, 5×6...
Q.3
Medium
A man travels from Chennai to Bangalore. He covers half the distance at 40 km/h and the remaining half at 60 km/h. What is his average speed?
A 48 km/h
B 50 km/h
C 52 km/h
D 54 km/h
Correct Answer:
A. 48 km/h Explanation:
Average speed = 2ab/(a+b) = 2×40×60/(40+60) = 4800/100 = 48 km/h
Q.4
Medium
The Sangam Literature period in Tamil Nadu is divided into how many Sangams?
Explanation:
According to Tamil tradition, there were three Sangams (literary academies) - First, Second, and Third Sangam, spanning several centuries of Tamil literary history.
Q.5
Medium
Which of the following is NOT a major port in Tamil Nadu?
A Chennai Port
B Paradip Port
C Ennore Port
D Thoothukudi Port
Correct Answer:
B. Paradip Port Explanation:
Paradip Port is located in Odisha. Chennai, Ennore, and Thoothukudi are the major ports in Tamil Nadu.
Q.6
Medium
In a logical sequence: 5, 11, 23, 47, ?, 191. The missing number is:
Explanation:
The pattern is (previous number × 2 + 1): 5→11(×2+1), 11→23(×2+1), 23→47(×2+1), 47→95(×2+1), 95→191(×2+1)
Q.7
Medium
Tamil Nadu's contribution to India's IT industry in 2024 is approximately _____ of the national IT exports.
A 8-10%
B 12-15%
C 18-22%
D 25-30%
Correct Answer:
B. 12-15% Explanation:
Tamil Nadu contributes approximately 12-15% of India's IT exports, with Chennai being a major IT hub alongside Bangalore and Hyderabad.
Q.8
Medium
In 2024, Tamil Nadu's literacy rate stands at approximately:
Explanation:
Tamil Nadu has one of the highest literacy rates in India at approximately 80%, above the national average.
Q.9
Medium
A man has three children. The probability that at least one is a boy is:
Explanation:
Probability of all girls = (1/2)³ = 1/8. Probability of at least one boy = 1 - 1/8 = 7/8
Q.10
Medium
If MATHEMATICS is coded as 78943567219, how is TEACH coded?
A 34129
B 51397
C 34912
D 12345
Explanation:
Using the given code: T=3, E=4, A=1, C=2, H=9, so TEACH = 34129.
