← Sub-Inspector of Statistics
Past Questions — 2026
Out of 80 people, 35 like tea, 40 like coffee and 20 like both. How many like only tea, only coffee, and neither?
A)
20, 25, 15
B)
15, 20, 45
C)
10, 15, 15
D)
15, 20, 25
Option D is correct: 15, 20, 25.
4.036 divided by 0.04 gives:
A)
1.009
B)
100.9
C)
10.09
D)
1009
Option B is correct: 100.9.
Which of the following statements regarding AI platform is incorrect?
A)
ChatGPT was developed by OpenAI
B)
Google Gemini was previously known as Bard.
C)
Microsoft copilot does not integrate the Microsoft ecosystem in its platforms
D)
Meta AI is available on Instagram.
Option C is correct: Microsoft copilot does not integrate the Microsoft ecosystem in its platforms.
‘A curve used for graphical representation of income inequality or wealth inequality’:
A)
Kuznets Curve
B)
Phillip Curve
C)
Engel Curve
D)
Lorenz Curve
Option D is correct: Lorenz Curve.
Indian Standard Time (IST) is ahead of Greenwich Mean Time (GMT) by:
A)
5:00 Hours
B)
5:15 Hours
C)
5:30 Hours
D)
5:45 Hours
Option C is correct: 5:30 Hours.
Which is the first nation to launch a 5G mobile network?
A)
Japan
B)
United States
C)
South Korea
D)
China
Option C is correct: South Korea.
Which part of the human body produces insulin?
A)
The pancreas
B)
The stomach
C)
The saliva
D)
The intestine
Option A is correct: The pancreas.
Bureau of Indian Standard (BIS), India’s National Standard Body came into force on:
A)
1st April 1952
B)
1st April 1978
C)
1st April 1987
D)
1st April 1989
Option C is correct: 1st April 1987.
The Chavang Kut Festival is mainly celebrated in which state?
A)
Manipur
B)
Nagaland
C)
Mizoram
D)
Tripura
The Chavang Kut is a harvest festival celebrated primarily by the Kuki-Chin-Mizo ethnic groups, with its most prominent celebrations occurring in the state of Manipur. It is a time of thanksgiving for the harvest and is marked by traditional dances, songs, and community feasts.
Distinction from other options:
- Mizoram: While Mizoram shares similar cultural roots, its primary 'Kut' festivals are Chapchar Kut, Mim Kut, and Pawl Kut.
- Nagaland: Nagaland is known for the Hornbill Festival and various tribal festivals like Moatsu or Sekrenyi, but Chavang Kut is not its primary state-wide festival.
- Tripura: Tripura's festivals are predominantly influenced by Bengali culture and the indigenous Tripuri tribes (e.g., Garia Puja), not the Chavang Kut.
In which year did the Mizo National Front revolt against the Government of India?
A)
1965
B)
1966
C)
1967
D)
1968
The Mizo National Front (MNF), led by Laldenga, launched an armed uprising against the Government of India on March 1, 1966. This revolt was triggered by the perceived failure of the government to address the grievances of the Mizo people, particularly following the famine of 1959 (Mautam) and the subsequent dissatisfaction with the administration's response. The MNF declared the independence of 'Greater Mizoram' on this date, leading to a prolonged insurgency that lasted until the signing of the Mizo Peace Accord in 1986.
Analysis of other options:
- 1965: The MNF was formed in 1961, and while tensions were rising, the actual armed revolt began in 1966.
- 1967: By this time, the insurgency was already active and the Indian government had responded with military force (including the controversial use of air strikes).
- 1968: The conflict was already in a phase of guerrilla warfare by this year.
What are the primary colours of light?
A)
Red Blue Green (RBG)
B)
Red Yellow Green (RYG)
C)
Red Blue Violet (RBV)
D)
Red Yellow Blue (RYB)
Option A is correct: Red Blue Green (RBG).
The first ISRO astronaut to visit the International Space Station while participating in Axiom Mission 4 was:
A)
Rakesh Sharma
B)
Ajit Krishnan
C)
Shubhanshu Shukla
D)
Prasant Nair
Option C is correct: Shubhanshu Shukla.
Which type of seismic wave causes the most destruction?
A)
S- waves
B)
P- waves
C)
Gamma waves
D)
Surface waves
Option D is correct: Surface waves.
The ‘Doomsday Glacier’ one of the largest and fastest-changing glaciers on Earth is located at:
A)
Greenland
B)
West Antarctica
C)
Alaska
D)
Patagonia
Option B is correct: West Antarctica.
Which country will host Conference of Parties 31 (COP31) 2026?
A)
USA
B)
Japan
C)
Maldives
D)
Turkey
Option D is correct: Turkey.
Who composed the song ‘ Hmanah kaisar lal lian’?
A)
Pu Siamkunga
B)
Pu Patea
C)
Pu Chhuahkhama
D)
Pu Rokunga
The song ‘Hmanah kaisar lal lian’ is a well-known traditional Mizo composition attributed to Pu Patea. Pu Patea is recognized in Mizo musical history for his contributions to traditional songs and melodies that reflect the cultural heritage and storytelling of the Mizo people. The other options (Pu Siamkunga, Pu Chhuahkhama, and Pu Rokunga) are not the composers of this specific piece of music.
Who founded the Lakher Pioneer Mission?
A)
JH Lorrain
B)
RA Lorrain
C)
FW Savidge
D)
TH Lewin
The Lakher Pioneer Mission was founded by Robert A. Lorrain (RA Lorrain) in the late 19th century. RA Lorrain and his colleague J.H. Lorrain (James Herbert Lorrain) arrived in Lushai Hills (Mizoram) in 1894. While both were instrumental in the early Christian missions and the creation of the Mizo alphabet, the specific initiative known as the Lakher Pioneer Mission is attributed to RA Lorrain.
Breakdown of options:
- a. JH Lorrain: He worked closely with RA Lorrain and was a key figure in linguistics and translation, but the 'Pioneer Mission' designation is specifically linked to RA Lorrain's efforts.
- b. RA Lorrain: Correct. He founded the Lakher Pioneer Mission to spread Christianity among the Lakher (Lai) people.
- c. FW Savidge: He was a missionary who arrived later (1903) and contributed significantly to the mission, but he was not the founder of the Lakher Pioneer Mission.
- d. TH Lewin: He was a British officer and administrator (known for his work on the 'Lushai' people) rather than a missionary founder.
A quadratic equation ax^2 + bx + c = 0 has no real roots if :
A)
b^2 - 4ac > 0
B)
b^2 - 4ac < 0
C)
b^2 - 4ac = 0
D)
b^2 - 4ac ≥ 0
Option B is correct: b^2 - 4ac < 0.
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