Mathematics
The LCM of 12 and 18 is:
24 36 48 72 Answer: 36. The lowest common multiple of 12 and 18 is 36.
Mathematics
15% of 200 is:
25 30 35 40 Answer: 30. 15/100 × 200 = 30.
Mathematics
A wheel of radius 0.35 m makes 10 complete revolutions. The distance covered is: (take π = 22/7)
11 m 22 m 44 m 7 m Answer: 22 m. Circumference = 2πr = 2×22/7×0.35 = 2.2 m; ×10 = 22 m.
General Intelligence & Reasoning
Find the next term: 2, 4, 8, 16, ?
24 30 32 64 Answer: 32. Each term is doubled: 16×2 = 32.
General Intelligence & Reasoning
Choose the one that does not belong: Dog, Cat, Lion, Rose
Dog Cat Lion Rose Answer: Rose. Dog, cat and lion are animals; rose is a flower.
General Science
The SI unit of electric current is:
Volt Ampere Ohm Watt Answer: Ampere. Electric current is measured in amperes (A).
General Science
During photosynthesis, plants absorb which gas?
Oxygen Nitrogen Carbon dioxide Hydrogen Answer: Carbon dioxide. Plants take in carbon dioxide and release oxygen during photosynthesis.
General Science
The "powerhouse of the cell" is the:
Nucleus Mitochondria Ribosome Chloroplast Answer: Mitochondria. Mitochondria produce energy (ATP) and are called the powerhouse of the cell.
General Science
Rusting of iron occurs when iron reacts with oxygen and:
Nitrogen Water (moisture) Carbon Hydrogen Answer: Water (moisture). Rust forms when iron is exposed to both oxygen and moisture (water).
General Awareness
In "RRB ALP", ALP stands for:
Assistant Loco Pilot Assistant Line Person Advanced Loco Programme Assistant Level Post Answer: Assistant Loco Pilot. ALP stands for Assistant Loco Pilot.
General Awareness
The headquarters of Indian Railways (Railway Board) is in:
Mumbai New Delhi Kolkata Chennai Answer: New Delhi. The Railway Board is located in New Delhi.
General Awareness
Who is known as the "Father of the Nation" in India?
Jawaharlal Nehru Mahatma Gandhi Sardar Patel Subhas Chandra Bose Answer: Mahatma Gandhi. Mahatma Gandhi is honoured as the Father of the Nation.