SSC GD 2025 PYQ — Question 54

The correct answer is Option 2 i.e. 7560.

$28 = 2^2 \times 7 \\ 60 = 2^2 \times 3 \times 5 \\ 120 = 2^3 \times 3 \times 5 \\ 135 = 3^3 \times 5$

Lcm = $2^3 \times 3^3 \times 5 \times 7 \\$

$= 8 \times 27 \times 5 \times 7 \\ = 7560$