RRB NTPC PYQ Set 6
-
Which of the following rivers does NOT form a delta on the eastern coast of India?
- A. Mahanadi
- B. Godavari
- C. Narmada
- D. Krishna
Answer
Correct: Option C. Explanation: The Narmada flows westwards through a rift valley and forms an estuary, not a delta. -
The book “The Discovery of India” was written by
- A. Jawaharlal Nehru
- B. Mahatma Gandhi
- C. Subhash Chandra Bose
- D. B. R. Ambedkar
Answer
Correct: Option A. Explanation: Written in 1946 during Nehru’s Ahmednagar jail term. -
India’s first dedicated solar observatory, Aditya-L1, will be placed in which orbit?
- A. Geostationary orbit
- B. Low Earth orbit
- C. Halo orbit around L1 point
- D. Polar orbit
Answer
Correct: Option C. Explanation: L1 Lagrange point offers uninterrupted Sun view. -
Which state launched the “Mission Shakti” campaign for women’s safety & empowerment?
- A. Maharashtra
- B. Uttar Pradesh
- C. Odisha
- D. Gujarat
Answer
Correct: Option B. Explanation: UP govt scheme launched Oct 2020. -
The 2026 Commonwealth Games are scheduled to be hosted by
- A. Australia
- B. India
- C. South Africa
- D. Scotland
Answer
Correct: Option A. Explanation: Victoria state (Australia) won the bid in April 2022. -
“Saffron” is obtained from which part of the plant?
- A. Root
- B. Stem
- C. Stigma
- D. Leaf
Answer
Correct: Option C. Explanation: Dried stigmas of Crocus sativus flower. -
Which Article of the Indian Constitution deals with the election of the President?
- A. Article 52
- B. Article 54
- C. Article 61
- D. Article 324
Answer
Correct: Option B. Explanation: Art. 54 specifies the electoral college. -
The world’s largest floating solar park (600 MW) as of 2023 is located in
- A. China
- B. India
- C. Singapore
- D. South Korea
Answer
Correct: Option B. Explanation: Omkareshwar Dam, Madhya Pradesh. -
A train 180 m long crosses a platform in 24 s at 72 km/h. The length of the platform is
- A. 220 m
- B. 240 m
- C. 300 m
- D. 320 m
Answer
Correct: Option C. Explanation: 72 km/h = 20 m/s; distance = 20×24 = 480 m; platform = 480 – 180 = 300 m. -
The average of 11 numbers is 42. If the average of the first 6 is 37 and that of the last 6 is 46, the sixth number is
- A. 42
- B. 48
- C. 50
- D. 52
Answer
Correct: Option B. Explanation: Total 11 numbers = 462; sum first 6 = 222; sum last 6 = 276; sixth = 222+276–462 = 48. -
If x + 1/x = 5, then x² + 1/x² is
- A. 23
- B. 25
- C. 27
- D. 29
Answer
Correct: Option A. Explanation: Square both sides: x²+1/x²+2 = 25 ⇒ x²+1/x² = 23. -
A shopkeeper marks goods 40 % above cost price and gives 20 % discount. His gain % is
- A. 12 %
- B. 15 %
- C. 20 %
- D. 25 %
Answer
Correct: Option A. Explanation: CP = 100, MP = 140, SP = 112 ⇒ gain 12 %. -
The smallest 5-digit number exactly divisible by 12, 15 and 18 is
- A. 10080
- B. 10020
- C. 10060
- D. 10120
Answer
Correct: Option A. Explanation: LCM = 180; smallest 5-digit multiple = 180×56 = 10080. -
A sum amounts to Rs 9680 in 2 years at 10 % p.a. compound interest. The sum is
- A. Rs 8000
- B. Rs 8100
- C. Rs 8200
- D. Rs 8250
Answer
Correct: Option A. Explanation: P(1.1)² = 9680 ⇒ P = 9680/1.21 = 8000. -
15, 30, 45, ?, 75, 90
- A. 50
- B. 55
- C. 60
- D. 65
Answer
Correct: Option C. Explanation: Multiples of 15; missing 60. -
If ‘MOUSE’ is coded as ‘PRXUH’, then ‘KEYBOARD’ is coded as
- A. NHBERVRG
- B. NHBERURG
- C. NHBESVSG
- D. NHBERRUG
Answer
Correct: Option A. Explanation: Each letter +3; K→N, E→H, Y→B, B→E, O→R, A→D, R→U, D→G ⇒ NHBERVRG. -
Find the odd one out:
- A. 1331
- B. 2197
- C. 2744
- D. 3375
Answer
Correct: Option C. Explanation: 2744 = 14³; others are cubes of prime numbers (11,13,15). -
Pointing to a woman, a man said, “Her only brother is the father of my daughter’s father.” How is the woman related to the man?
- A. Aunt
- B. Mother
- C. Sister
- D. Grandmother
Answer
Correct: Option A. Explanation: Woman’s brother is man’s maternal uncle ⇒ woman is man’s aunt. -
If A > B, B = C, and C < D, which statement is definitely true?
- A. A > D
- B. A < D
- C. B < D
- D. A = D
Answer
Correct: Option C. Explanation: B = C < D ⇒ B < D always. -
The chemical formula of laughing gas is
- A. NO
- B. N₂O
- C. NO₂
- D. N₂O₄
Answer
Correct: Option B. Explanation: Nitrous oxide (N₂O). -
Which part of the human brain controls body temperature?
- A. Cerebrum
- B. Hypothalamus
- C. Medulla
- D. Cerebellum
Answer
Correct: Option B. Explanation: Hypothalamus is the thermoregulatory centre. -
The process of conversion of sugar into alcohol by yeast is called
- A. Fermentation
- B. Glycolysis
- C. Pasteurisation
- D. Acetification
Answer
Correct: Option A. Explanation: Anaerobic respiration in yeast produces ethanol. -
Which mirror is used as a rear-view mirror in vehicles?
- A. Plane
- B. Concave
- C. Convex
- D. Cylindrical
Answer
Correct: Option C. Explanation: Convex mirror gives diminished, wide field of view. -
The element with highest electrical conductivity among the following is
- A. Copper
- B. Silver
- C. Gold
- D. Aluminium
Answer
Correct: Option B. Explanation: Silver has the lowest resistivity. -
Which vitamin is primarily responsible for blood clotting?
- A. Vitamin A
- B. Vitamin D
- C. Vitamin E
- D. Vitamin K
Answer
Correct: Option D. Explanation: Vitamin K helps synthesize clotting factors.
BETA
