grade 2session7set b

Distribute a deck of playing cards and 1 Jack to 4 players. Each player takes turn picking 1 card from the player next to him or her. If the new card and the old card have the same number, the player can get rid of both cards. Given that the player who gets rid of all the cards first will be the winner. As shown, how many cards would Danny have?

There are 6 balls in blue, red, and green, respectively. Blue balls weigh 3kg each, red balls weigh 2kg each, and green balls weigh 1kg each. Suppose 18 balls are given equally to three people Ada, Bella, and Carter, where each gets the same number of balls with the same total weight yet what they get are completely different. If Ada and Bella have the same number of balls in different colors, how many red balls does Carter get?

A group of soldiers is marching along a road with holes. The soldier at the front must fill the hole so that the other soldiers can march forward. Then, the soldier inside the hole needs to climb out and join the other soldiers. In the end, what is the number indicating the group of soldiers?