Q1) \(□ -9 = 1 \) [ , \(□ = 10\)]

Q1) \( ⌂ \over 6 \) \(=3 \) [ , \(⌂ = 18\)]

Q1) \( {□\over2}+7 = 9 \) [ , \(□ = 4\)]

Q2) \(⌂ + 4 = 6 \) [ , \(⌂ = 2\)]

Q2) \(6⌂ = 54 \) [ , \(⌂ = 9\)]

Q2) \(6⌂ -4 = 20 \) [ , \(⌂ = 4\)]

Q3) \(□ + 7 = 13 \) [ , \(□ = 6\)]

Q3) \(8∞ = 80 \) [ , \(∞ = 10\)]

Q3) \( {∆\over7}+6 = 9 \) [ , \(∆ = 21\)]

Q4) \(∞ -3 = 6 \) [ , \(∞ = 9\)]

Q4) \(10□ = 60 \) [ , \(□ = 6\)]

Q4) \( {□\over7}-2 = 7 \) [ , \(□ = 63\)]

Q5) \(◊ -3 = 3 \) [ , \(◊ = 6\)]

Q5) \(4∞ = 28 \) [ , \(∞ = 7\)]

Q5) \( {⌂\over7}-4 = 2 \) [ , \(⌂ = 42\)]

Q6) \(□ + 4 = 9 \) [ , \(□ = 5\)]

Q6) \(8∞ = 72 \) [ , \(∞ = 9\)]

Q6) \(5□ -6 = 44 \) [ , \(□ = 10\)]

Q7) \(∆ + 4 = 12 \) [ , \(∆ = 8\)]

Q7) \( ◊ \over 5 \) \(=2 \) [ , \(◊ = 10\)]

Q7) \(6∆ + 3 = 39 \) [ , \(∆ = 6\)]

Q8) \(□ -4 = 6 \) [ , \(□ = 10\)]

Q8) \( □ \over 8 \) \(=2 \) [ , \(□ = 16\)]

Q8) \( {⌂\over3}-2 = 2 \) [ , \(⌂ = 12\)]

Q9) \(□ -6 = 1 \) [ , \(□ = 7\)]

Q9) \( □ \over 2 \) \(=10 \) [ , \(□ = 20\)]

Q9) \( {∆\over8}+10 = 19 \) [ , \(∆ = 72\)]

Q10) \(∞ -2 = 2 \) [ , \(∞ = 4\)]

Q10) \(9□ = 63 \) [ , \(□ = 7\)]

Q10) \( {⌂\over6}+10 = 17 \) [ , \(⌂ = 42\)]