RRB Group D Mock Test

Q1. The length of a rectangle is decreased by 20% and its breadth is increased by 25%. What is the net percentage change in its area?

5% increase 5% decrease No change 20% decrease

Q2. A government budget that aims to significantly reduce its deficit through spending cuts is following a path of:

Monetary expansion. Fiscal stimulus. Fiscal contraction. Supply-side economics.

Q3. Pointing to a person, Amit said, 'His mother is the only daughter of my grandfather.' How is Amit related to that person?

Son Brother Father Uncle

Q4. What is inflammation characterized by?

Pale skin and low temperature Increased blood flow, redness, heat, and swelling Rapid heart rate Dry mouth

Q5. In Figure 4, if the mood is 'IAI', and the middle term is distributed in the major premise and undistributed in the minor premise, and the conclusion is affirmative, with the major term undistributed and the minor term undistributed, what is the validity?

Valid Invalid due to Undistributed Middle Invalid due to Illicit Minor Invalid due to Illicit Major

Q6. The difference between the selling price and cost price of a chair is Rs. 500. If the profit percentage is 25%, what is the selling price?

Rs. 2000 Rs. 2250 Rs. 2500 Rs. 2750

Q7. If $p$ is a prime, for what value of $p$ is $2^p - 1$ a Mersenne prime, leading to a perfect number using the Euclid-Euler formula?

2 3 5 All prime numbers

Q8. A train departs at 8:00 AM and travels for 3 hours and 30 minutes. What time does it arrive?

11:00 AM 11:30 AM 12:00 PM 12:30 PM

Q9. The structure 'If P then Q; Not Q; Therefore Not P' is known as:

Modus Ponens Modus Tollens Affirming the Consequent Denying the Antecedent

Q10. The number 'five million, two hundred thousand, and eighty' can be written as:

5,200,800 5,000,280 5,200,080 5,020,800

Q11. A vehicle moving at 10 m/s applies brakes and stops in 2 seconds. What is its deceleration?

4 m/s² 5 m/s² 6 m/s² 7 m/s²

Q12. A liquid is in equilibrium with its vapor in a closed container. If the container is suddenly compressed, what happens to the surface tension of the liquid?

It increases It decreases It remains unchanged It depends on the rate of compression

Q13. Which country joined SAARC as the eighth member state?

Iran Myanmar Afghanistan Oman

Q14. If C(n, 2) = 45, find n.

9 10 11 12

Q15. A shopkeeper marks an item at ₹2400 and offers a discount of 15%. He then sells it at a profit of 25% on the cost price. What is the cost price of the item?

₹1536 ₹1600 ₹1728 ₹1800

Q16. A scale weighs objects. What is the analogous function of an 'Average' function in data analysis?

Finding the most frequent value Determining the central tendency of a dataset Calculating the total number of items Identifying the smallest value

Q17. Which Brazilian dance form has become popular worldwide through cultural exchange?

Ballet Salsa Samba Tango

Q18. The word 'MANAGER' is coded as 'REGANAM'. What will be the code for 'STUDENT'?

TNEUDTS DNEUSTT TSUDNET DNETSUT

Q19. The 'Sovereign Debt Crisis' experienced by several European countries in the early 2010s saw significant intervention and oversight from which international financial institution?

Organization for Economic Co-operation and Development (OECD) International Labour Organization (ILO) European Central Bank (ECB) in conjunction with the IMF Asian Development Bank (ADB)

Q20. Which number is NOT a prime number?

7 11 13 15

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