
Learn core concepts, essential formulas, and attempt practice questions designed on the latest TCS NQT testing patterns.
Identify the odd one out: 27, 64, 125, 144.
Correct Answer: A) 144
Step-by-step Solution: 27 = 3^3, 64 = 4^3, 125 = 5^3. These are perfect cubes. 144 = 12^2 is a perfect square, making it the odd one.
Find the odd pair: Tokyo: Japan, Paris: France, Berlin: Germany, Delhi: Mumbai.
Correct Answer: A) Delhi: Mumbai
Step-by-step Solution: Others represent Capital: Country pairs. Delhi and Mumbai are both cities within India, so this pair is the odd one.
Look for prime numbers or cube/square patterns when analyzing numeric sets.