3 coins: paid if all heads or all tails, pays otherwise: expected gain per game

The same question, asked 3 times: 10 May 2023 S1*, 10 May 2024 S2*, 19 Apr 2025 S2. Every wording below, oldest first.

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Question 1
10 May 2023 S1
107 $In a game, 3 coins are tossed. A person is paid ₹100, if he gets all heads or all tails; and he is supposed to pay ₹40, if he gets one head or two heads. The amount he can expect to win/lose on an average per game in (₹) is$
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Question 2
10 May 2024 S2
137 $In a game, 3 coins are tossed. A person is paid ₹7 if he gets all heads or all tails; and he is supposed to pay ₹3 if he gets one head or two heads. The amount he can expect to win on an average per game is$
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Question 3
19 Apr 2025 S2
123 $In a game, 3 coins are tossed. A person is paid ₹150 if he gets all heads or all tails and he is supposed to pay ₹50 if he gets one head or two heads. The amount he can expect to win / lose on an average per game in ₹ is$
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Question 1