Correct Answer - Option 1 : 592.935 kg
Given
Weight of a pebble = 2987g = 2.987 Kg
Weight of the box alone = 578 Kg
Formula used
Weight of the overall box = weight of box alone + 5 × weight of pebble
Calculation
⇒ Weight of the overall box = 578 + (5 × 2.987)
⇒ 592.935 Kg
∴ total weight of the box with pebbles is 592.935 kg