RSMSSB · Previous year papers · 2021
RSMSSB 2021 previous year paper practice · PYQ-pattern set
18 PYQ-pattern questions modelled on the 2021 paper (which had 150) · 180 min
Every question here is freshly worded in the pattern of the 2021 paper — same topics, style and difficulty — not the original questions, which Shishya does not reproduce.
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Showing 10 of the 18 PYQ-pattern questions in this set — freshly worded in that year's pattern, not the original questions. Answers and solutions open under each question.
Q1 · Physics
What is the unit of electric current in the SI system?
- A. Volt
- B. Ampere
- C. Ohm
- D. Watt
Answer and solution
Answer: B
The SI unit of electric current is Ampere (A), named after French physicist André-Marie Ampère. It measures the flow of electric charge.
Q2 · Indian and World Geography
Which river is known as the 'Sorrow of Bihar' due to its frequent flooding?
- A. Ganga
- B. Kosi
- C. Gandak
- D. Mahananda
Answer and solution
Answer: B
The Kosi River is known as the 'Sorrow of Bihar' because it frequently changes its course and causes devastating floods in the region.
Q3 · Biology
The 'Krebs Cycle' occurs in which part of the cell?
- A. Cytoplasm
- B. Nucleus
- C. Mitochondria
- D. Endoplasmic Reticulum
Answer and solution
Answer: C
The Krebs Cycle (also known as the Citric Acid Cycle) occurs in the mitochondrial matrix and is a key part of cellular respiration for energy production.
Q4 · Simplification
What is the value of: 125 × 125 - 75 × 75?
- A. 9600
- B. 10000
- C. 10800
- D. 11250
Answer and solution
Answer: B
Using the identity a²-b² = (a+b)(a-b): 125²-75² = (125+75)(125-75) = 200×50 = 10000.
Q5 · LCM and HCF
Find the HCF of 126, 162, and 198.
- A. 9
- B. 12
- C. 18
- D. 27
Answer and solution
Answer: C
Prime factors: 126 = 2×3²×7, 162 = 2×3⁴, 198 = 2×3²×11. Common factors: 2×3² = 18. Hence HCF = 18.
Q6 · Physics
A concave lens of focal length 15 cm forms an image 10 cm from the lens. What is the object distance?
- A. 30 cm
- B. 25 cm
- C. 20 cm
- D. 6 cm
Answer and solution
Answer: A
Using lens formula 1/f = 1/v - 1/u for concave lens, with f = -15 cm and v = -10 cm, we get 1/u = -1/10 + 1/15 = -1/30, so u = -30 cm (object distance is 30 cm).
Q7 · Current Affairs
Which Indian state launched the 'Mukhyamantri Chiranjeevi Swasthya Bima Yojana' to provide health insurance to its citizens?
- A. Gujarat
- B. Madhya Pradesh
- C. Rajasthan
- D. Uttar Pradesh
Answer and solution
Answer: C
The Mukhyamantri Chiranjeevi Swasthya Bima Yojana was launched by the Government of Rajasthan to provide free health insurance coverage to all families in the state.
Q8 · Percentage
In an election between two candidates, one candidate secured 58% of the votes and won by a majority of 1,920 votes. What was the total number of votes polled?
- A. 12,000
- B. 10,000
- C. 15,000
- D. 18,000
Answer and solution
Answer: A
Winner got 58%, loser got 42%. Difference = 58% - 42% = 16% = 1920 votes. So total votes = 1920/0.16 = 12,000.
Q9 · Mensuration
The radius of a cylinder is 7 cm and its height is 10 cm. What is the total surface area of the cylinder? (Use π = 22/7)
- A. 748 cm²
- B. 638 cm²
- C. 528 cm²
- D. 880 cm²
Answer and solution
Answer: A
Total surface area = 2πr(h + r) = 2 × (22/7) × 7 × (10 + 7) = 44 × 17 = 748 cm².
Q10 · Time and Distance
A man covers a certain distance at 40 km/hr and returns at 60 km/hr. What is his average speed for the entire journey?
- A. 48 km/hr
- B. 50 km/hr
- C. 45 km/hr
- D. 52 km/hr
Answer and solution
Answer: A
Average speed = (2 × 40 × 60) / (40 + 60) = 4800 / 100 = 48 km/hr.
Breakdown by subject
General Knowledge and General Science
5 questions
Mathematics
5 questions
Logical Reasoning and Mental Ability
4 questions
General Hindi and English
3 questions
Rajasthan — General Knowledge
1 questions