Railway-RRB Technician 2025 Grade 3 Previous Year Question Paper and Answer Key Free PDF Download English-Shift 1

Q.1 If 15 workers can build a wall in 10 days, how many workers are needed to build it in 6 days?

A. 22

B. 26

C. 20

D. 25  ✓

Q.2 If a sum of ₹8000 becomes thrice of itself after 8 years on compound interest, then how much will it become after 24 years?

A. ₹236000

B. ₹253000

C. ₹206000

D. ₹216000  ✓

Q.3 The value of a machine is first depreciated by 20%. It is then appreciated by 25% and finally depreciated by 10%. Find the overall percentage change in its value.

A. 10% decrease  ✓

B. 12% decrease

C. 5% decrease

D. 8% decrease

Q.4 A can finish a work in 5 days and B can do the same work in 50 days. B worked alone for 10 days and left the job. In how many days can A alone finish the remaining work?

A. 4  ✓

B. 3.5

C. 4.5

D. 3

Q.5 If a number is added to each of the numbers 16, 20 and 30, then the resulting numbers are in the continued proportion. Find the mean proportional between the largest and smallest of the resulting numbers.

A. 26/9

B. 50/9

C. 40/3

D. 20/3  ✓

Q.6 Simplify (5z−12y)² + (12z+5y)² − 144z².

A. 24z² + 171y²

B. 25z² + 169y²  ✓

C. 31z² + 161y²

D. 32z² + 170y²

Q.7 The average of three numbers is 20. If the two numbers are 11 and 22, respectively, then the third number is:

A. 27  ✓

B. 26

C. 28

D. 29

Q.8 The sum of the present ages of Sharad and Adarsh is 36 years. After 2 years from now, Sharad's age will be three times that of Adarsh. Sharad's present age (in years) is:

A. 26

B. 37

C. 28  ✓

D. 24

Q.9 A person borrows ₹10,000 for 3 years at 5% per annum simple interest. He immediately lends it to another person at 8¼% per annum simple interest for 3 years. What is his gain (in ₹) in the transaction per year?

A. 375

B. 450

C. 325  ✓

D. 400

Q.10 What is the decimal form of 7/2 + 32.5 + 1.245 + 3/4?

A. 39.778

B. 37.995  ✓

C. 35.005

D. 32.125

Q.11 If x is the third proportional to 2 and y, and y is the third proportional to x and 18, then what is the value of y?

A. 4√3

B. 5√3

C. 3√3

D. 6√3  ✓

Q.12 A classroom has 46 boys and 36 girls. If the number of girls is increased successively by 25% followed by another 20%, by how many will the number of girls exceed the number of boys?

A. 12

B. 8  ✓

C. 6

D. 10

Q.13 If the lateral surface area of a cylinder is 140.1 cm² and its height is 3 cm, then find its volume. (Use π = 3.14 and round off to two decimal places.)

A. 562.32 cm³

B. 559.99 cm³

C. 520.91 cm³  ✓

D. 570.58 cm³

Q.14 Find the value of 36 − [10 − 3 {14 ÷ 2 − (10 ÷ 2 × 3 − 4 + 7)}].

A. −5

B. −7  ✓

C. 5

D. 7

Q.15 For a given data, the mean is 48.5 and the median is 44. The mode of the data is:

A. 42

B. 35  ✓

C. 32

D. 25

Q.16 The length of one of the two parallel sides of a trapezium is 8 cm, while the length of the other side of this pair of parallel sides is equal to the distance between this pair of parallel sides. If the area of the trapezium is 120 cm², then what is the distance (in cm) between the said pair of parallel sides?

A. 20

B. 10

C. 15

D. 12  ✓

Q.17 If the surface area of a sphere is 314 cm², find its radius. (Take π = 3.14)

A. 50 cm

B. 0.5 cm

C. 0.05 cm

D. 5 cm  ✓

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Railway-RRB Technician 2025 Grade 3 Previous Year Question Paper and Answer Key Free PDF Download English-Shift 1

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