Mathematics Previous Year Questions 2026 | RRB Ministerial & Isolated Categories

Mathematics - MOST IMPORTANT RRB Ministerial & Isolated Categories Previous Year Questions

Practice real questions from previous year exams of RRB Ministerial & Isolated Categories.

📘 Divisibility Rules📚 Divisibility by 7 13 and Other Primes
Q1

The number 1071819 is divisible by:

🎯 RRB Ministerial & Isolated Categories (Staff and Welfare Inspector) 10/09/2025 (Shift-III)
📘 Divisibility Rules📚 Divisibility by 7 13 and Other Primes
Q2

The number 933877 is divisible by:

🎯 RRB Ministerial & Isolated Categories (Primary Teacher and Primary Railway Teacher) 11/09/2025 (Shift-II)
📘 Divisibility Rules📚 Divisibility by Composite Numbers
Q3

The number 2017224 is NOT divisible by:

🎯 RRB Ministerial & Isolated Categories (Librarian) 12/09/2025 (Shift-I)
📘 Properties of Even Odd and Consecutive Numbers📚 Consecutive Even and Odd Numbers
Q4

Find the two consecutive odd numbers whose product is 575?

🎯 RRB Ministerial & Isolated Categories (Junior Translator Hindi) 11/09/2025 (Shift-III)
📘 Population Growth and Decline📚 Varying Rates — Mix of Growth and Decline Over Multiple Years
Q5

The population of a town increased by 10% in the first year and then decreased by 20% in the second year. If the original population was 5,000, what is the population after two years?

🎯 RRB Ministerial & Isolated Categories (All PGTs and TGTs) 10/09/2025 (Shift-II)
📘 Population Growth and Decline📚 Constant Growth Rate Over Multiple Years
Q6

Initially, the population of a town was 80,000 and increases at the rate of R%. If the population becomes 1,06,480 after three years, then the value of R is:

🎯 RRB Ministerial & Isolated Categories (Physical Training Instructor) 12/09/2025 (Shift-III)
📘 Successive Percentage Change📚 Three or More Successive Changes Net Effect
Q7

A number is increased by 10% and then decreased by 10%. It is again increased by 10%. Find the net increase or decrease percentage.

🎯 RRB Ministerial & Isolated Categories (Primary Teacher and Primary Railway Teacher) 11/09/2025 (Shift-I)
📘 Percentage Comparison More or Less📚 A is What Percent More than B
Q8

The price of a mobile phone increased from ₹8,000 to ₹9,600. What is the percentage increase?

🎯 RRB Ministerial & Isolated Categories (Librarian) 12/09/2025 (Shift-I)
📘 Basic CP-SP-Profit-Loss Calculations📚 Problems with Additional Expenses
Q9

A shopkeeper bought a television for ₹18,000, spent ₹2,000 on transportation and repairs, and sold it for ₹25,000. What is his profit percentage?

🎯 RRB Ministerial & Isolated Categories (Primary Teacher and Primary Railway Teacher) 11/09/2025 (Shift-II)
📘 Basic CP-SP-Profit-Loss Calculations📚 Find CP given SP and Profit/Loss Percentage
Q10

I sold my bike for ₹13,600 at a loss of 20%. What is the cost price?

🎯 RRB Ministerial & Isolated Categories (Staff and Welfare Inspector) 10/09/2025 (Shift-III)
📘 Distribution and Division Problems📚 Distribution with Real-Life Quantities
Q11

The ratio of fiction books to non-fiction books in a school library is 4 : 3. If there are 240 fiction books, how many non-fiction books are there?

🎯 RRB Ministerial & Isolated Categories (Assistant Teacher) 12/09/2025 (Shift-II)
📘 Ratio of Algebraic Expressions📚 Quadratic and Higher Power Expression Ratio
Q12

If A : B = 3 : 4 and B : C = 5 : 7, then find the value of (A^2 : C^2).

🎯 RRB Ministerial & Isolated Categories (Junior Translator Hindi) 11/09/2025 (Shift-III)
📘 Three Numbers with Ratio Conditions📚 Average Given Find Numbers
Q13

The average price of three items of furniture is ₹17,415. If their prices are in the ratio 3 : 5 : 7, the price of the cheapest item (in ₹) is:

🎯 RRB Ministerial & Isolated Categories (Junior Translator Hindi) 11/09/2025 (Shift-III)
📘 Third Proportional📚 Third Proportional of Integers
Q14

If the third proportional of 45 and 60 is x, then what is the value of x?

🎯 RRB Ministerial & Isolated Categories (Staff and Welfare Inspector) 10/09/2025 (Shift-III)
📘 Mean Proportional📚 Mean Proportional with Fractions or Decimals
Q15

Find the mean proportion to 0.55 and 125 (rounded up to one decimal place).

🎯 RRB Ministerial & Isolated Categories (Primary Teacher and Primary Railway Teacher) 11/09/2025 (Shift-II)
📘 Third Proportional📚 Third Proportional of Integers
Q16

Find the third proportional of 8 and 12.

🎯 RRB Ministerial & Isolated Categories (Primary Teacher and Primary Railway Teacher) 11/09/2025 (Shift-I)
📘 Fourth Proportional📚 Fourth Proportional of Integers
Q17

Find the fourth proportional to 3, 7, and 9.

🎯 RRB Ministerial & Isolated Categories (All PGTs and TGTs) 10/09/2025 (Shift-II)
📘 Mean Proportional📚 Mean Proportional of Two Integers
Q18

Find the mean proportional between 16 and 36.

🎯 RRB Ministerial & Isolated Categories (Librarian) 12/09/2025 (Shift-I)
📘 Successive Discounts📚 Single Equivalent of Two Successive Discounts
Q19

Find the single discount equivalent to two successive discounts of 24% and 16%.

🎯 RRB Ministerial & Isolated Categories (Junior Translator Hindi) 11/09/2025 (Shift-III)
📘 Basic Discount Calculations📚 Finding Discount Percentage Given MP and SP
Q20

A mobile phone with a marked price ₹16,800 was sold for ₹13,944. What is the percentage discount given on the sale of the mobile phone?

🎯 RRB Ministerial & Isolated Categories (Assistant Teacher) 12/09/2025 (Shift-II)