Question
If in a certain code language β+β represents
βΓβ, βββ represents β+β, βΓβ represents βΓ·β and βΓ·β represents βββ. Find out the value of β78 Γ· 24 Γ 6 Γ· 2 + 14β.Solution
78 Γ· 24 Γ 6 Γ· 2 + 14 78 β 24 Γ· 6 β 2 x 14 78 β 4 β 2 x 14 78 β 4 β 28 = 46
In a 400-metre race, βAβ beats βBβ by 20 seconds or 80 metres. Find the time taken by βBβ to finish the race.
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