RRB NTPC 2025 Under Graduate CBT 1 Question Paper PDF (17-Jun-2026) (Shift 3)

Question 1

An amount of ₹6,900 is obtained after 3 years at simple interest at the rate of 5% interest per annum. What is the principal invested?

Accepted Answer

₹6,000

Answer

₹5,600

Answer

₹5,800

Answer

₹6,400

Question 2

The present ages of two persons, X and Y, are in the ratio 4 : 5. Five years from now, the difference between X's age and Y's age will be 3 years. Find the sum of their present ages (in years).

Accepted Answer

27

Answer

25

Answer

26

Answer

24

Question 3

Article M is sold at a reduction of ₹3,000 from its original price, and Article N is sold at a reduction of ₹2,500 from its original price. If the original prices of both articles were ₹10,000, reduction in price of M is R1% and reduction in price of N is R2%, find the difference between R1 and R2.

Accepted Answer

5

Answer

10

Answer

15

Answer

20

Question 4

A delivery drone is hovering at a fixed point in the air. From two points on the ground in a straight line on opposite sides of the drone, the angles of elevation of the drone are 30° and 60°. If the horizontal distance between the two points is 94 m, find the vertical height at which the drone is hovering. (Take $\sqrt3 = 1.73$)

Accepted Answer

40.655 m

Answer

42.562 m

Answer

40.752 m

Answer

41.652 m

Question 5

Find the third proportional to (a² − b²) and (a + b), given that a ≠ b.

Accepted Answer

$\dfrac{a+b}{a-b}$

Answer

$\dfrac{a-b}{a+b}$

Answer

$\dfrac{(a+b)^2}{a-b}$

Answer

$\dfrac{(a-b)^2}{a+b}$

RRB NTPC 2025 Under Graduate CBT 1 Question Paper PDF (17-Jun-2026) (Shift 3)

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