Question

if malavika won every game she played the number if cards of each type she will have with her when she comes out from third stall are
a)5 gold and 3 silver medals
b)3 gold and 3 silver medals
c)5 gold and 2 silver medals
d)3 gold and 5 silver medals​

Answer 1

ENTERTAINMENT FAIR

We need to remember two points:

1. Play with a Gold card -- if won -- get the Gold card + 1 Silver card
2. Play with a Silver card -- if won - get a Gold card

Solution:

• Malavika bought two cards using 30 zeds.
• 1 Gold card & 1 Silver card.

Stall 1.

• Cards -- 1 Gold & 1 Silver.
• Wins!
• Rewards: a. Gold card win -- 1 Gold card + 1 Silver card, b. Silver card win -- 1 Gold card.
• Total cards -- 2 Gold cards & 1 Silver card.

Stall 2.

• Cards -- 2 Gold cards & 1 Silver card.
• Wins!
• Rewards: a. Gold card win -- 2 Gold cards + 2 Silver card, b. Silver card win -- 1 Gold card.
• Total cards -- 3 Gold cards & 2 Silver card.

Stall 3.

• Cards -- 3 Gold cards & 2 Silver card.
• Wins!
• Rewards: a. Gold card win -- 3 Gold cards + 3 Silver cards, b. Silver card win -- 2 Gold cards.
• Total cards -- 5 Gold cards & 3 Silver cards.

Answer: If Malavika won every game she played, the number of cards of each type she will have with her when she comes out from the third stall are a) 5 Gold and 3 Silver cards.

Answer 2

Answer:

a) 5 gold and 3 silver cards

Step-by-step explanation:

MATHS