RRB NTPC Practice Questions — All Questions
19 questions
A train travels 240 km in 4 hours. Its average speed is:
- a.50 km/h
- b.70 km/h
- c.60 km/h✓
- d.80 km/h
Speed = distance / time = 240 / 4 = 60 km/h.
The LCM of 4 and 6 is:
- a.24
- b.10
- c.12✓
- d.6
The least common multiple of 4 and 6 is 12.
If 5 pens cost 100, then 8 pens cost:
- a.150
- b.160✓
- c.140
- d.120
One pen = 20; 8 x 20 = 160.
Complete the series: 2, 4, 8, 16, ?
- a.24
- b.30
- c.20
- d.32✓
Each term doubles: 16 x 2 = 32.
Day is to Night as Light is to:
- a.Sun
- b.Lamp
- c.Bright
- d.Dark✓
Day/night and light/dark are opposite pairs.
Odd one out: Rose, Lotus, Jasmine, Mango
- a.Mango✓
- b.Jasmine
- c.Rose
- d.Lotus
Mango is a fruit; the others are flowers.
If A=1, B=2, C=3, then the sum of the letters in 'CAB' is:
- a.5
- b.7
- c.6✓
- d.4
C+A+B = 3+1+2 = 6.
The unit of electric current is the:
- a.Watt
- b.Volt
- c.Ampere✓
- d.Ohm
Electric current is measured in amperes.
The powerhouse of the cell is the:
- a.Nucleus
- b.Mitochondrion✓
- c.Ribosome
- d.Cell wall
The mitochondrion produces most of the cell's energy (ATP).
Water boils at what temperature at normal sea-level pressure?
- a.90°C
- b.50°C
- c.120°C
- d.100°C✓
Water boils at 100°C at standard atmospheric pressure.
The force that pulls objects toward the Earth is:
- a.Gravity✓
- b.Magnetism
- c.Friction
- d.Tension
Gravity pulls objects toward the Earth.
The largest planet in our solar system is:
- a.Jupiter✓
- b.Earth
- c.Saturn
- d.Mars
Jupiter is the largest planet.
The longest river in the world is generally considered the:
- a.Ganga
- b.Yangtze
- c.Nile✓
- d.Amazon (contested with the Nile)
The Nile is traditionally regarded as the longest river (the Amazon is a close contender).
The Indian national anthem was written by:
- a.Bankim Chandra Chatterjee
- b.Rabindranath Tagore✓
- c.Sarojini Naidu
- d.Mahatma Gandhi
'Jana Gana Mana' was written by Rabindranath Tagore.
Diamond is a form of which element?
- a.Iron
- b.Gold
- c.Carbon✓
- d.Silicon
Diamond is a crystalline form of carbon.
The Himalayas are an example of which landform?
- a.Desert
- b.Mountain range✓
- c.Plateau
- d.Plain
The Himalayas are a mountain range.
How many players are on the field per side in a standard game of cricket?
- a.Seven
- b.Eleven✓
- c.Fifteen
- d.Nine
A cricket team fields eleven players.
Which gas do plants absorb from the air for photosynthesis?
- a.Oxygen
- b.Helium
- c.Carbon dioxide✓
- d.Nitrogen
Plants absorb carbon dioxide for photosynthesis.