Which grenade is yellow, red, green, and violet and has a max effective range of 35 meters?

• A. M18 - yellow, red, green, violet
• B. M14 - Thermate
• C. M7A2 - CS/Tear Gas
• D. M84 - Stun Grenade

Answer: (A)

The key idea here is identifying a signaling/colored smoke grenade by its color set and typical range. The M18 smoke grenade is issued to create colored smoke for signaling and marking, and it comes in several colors used for different signals. The combination yellow, red, green, and violet is a standard set of colors associated with this grenade, and its maximum effective range of about 35 meters aligns with how far the smoke can reliably project for signaling in field use. The other options serve different purposes—thermite for incendiary effects, CS/tear gas for riot control, and a stun/flash-blash device—none of which are the four-color signaling smoke grenade.