Placement Papers - MCQ Practice Questions

Total distance = 60×2 + 80×3 = 120 + 240 = 360 km. Total time = 5 hours. Average speed = $\frac{360}{5}$ = 72 km/h

Work is constant. 5 workers × 12 days = 8 workers × x days. x = (5×12)/8 = $\frac{60}{8}$ = 7.5 days

Total parts = 3 + 2 = 5. Girls = ($\frac{2}{5}$) × 30 = 12

SP = CP + Profit = 500 + (20% of 500) = 500 + 100 = ₹600

These are perfect squares: 4², 5², 6², 7², 8² = 16, 25, 36, 49, 64

Profit = 2400 - 2000 = 400. Profit % = ($\frac{400}{2000}$) × 100 = 20%

Metaphor, Simile, and Irony are all figures of speech. Noun is a part of speech (grammatical category), making it the odd one.

121=11², 144=12², 169=13², 196=14² are perfect squares. 215 is not a perfect square.

Ephemeral means lasting for a very short time; transitory.

i-n-d-e-p-e-n-d-e-n-c-e. The letter 'e' appears at positions 4, 6, 9, and 12 = 4 times

'Climax' is the turning point or the most exciting part of a story. 'Climate' refers to weather patterns.

'Un-' is a prefix meaning 'not' or the opposite of something (unhappy = not happy).

BFS uses a Queue (FIFO) to explore nodes level by level. DFS uses a Stack (LIFO).

XOR (exclusive OR) returns 1 only when bits are different. 1 XOR 1 = 0 because both bits are the same.

In a sorted array, median is at index n/2, which is accessed in constant time O(1).

A load balancer distributes network traffic across multiple servers to improve reliability and responsiveness.