Q1) $∆ + 5 = 8$ [ , $∆ = 3$]

Q1) $⌂ \over 10$ $=2$ [ , $⌂ = 20$]

Q1) $7∞ + 4 = 67$ [ , $∞ = 9$]

Q2) $□ + 2 = 4$ [ , $□ = 2$]

Q2) $∆ \over 3$ $=3$ [ , $∆ = 9$]

Q2) $3∞ + 7 = 19$ [ , $∞ = 4$]

Q3) $∞ + 3 = 6$ [ , $∞ = 3$]

Q3) $7⌂ = 70$ [ , $⌂ = 10$]

Q3) $7◊ + 6 = 41$ [ , $◊ = 5$]

Q4) $∞ -8 = 2$ [ , $∞ = 10$]

Q4) $∞ \over 2$ $=8$ [ , $∞ = 16$]

Q4) $8⌂ + 9 = 89$ [ , $⌂ = 10$]

Q5) $⌂ + 10 = 15$ [ , $⌂ = 5$]

Q5) $◊ \over 6$ $=3$ [ , $◊ = 18$]

Q5) ${□\over9}+8 = 16$ [ , $□ = 72$]

Q6) $□ -3 = 7$ [ , $□ = 10$]

Q6) $⌂ \over 2$ $=6$ [ , $⌂ = 12$]

Q6) $9∞ + 8 = 53$ [ , $∞ = 5$]

Q7) $⌂ + 4 = 11$ [ , $⌂ = 7$]

Q7) $5□ = 20$ [ , $□ = 4$]

Q7) ${∞\over7}+10 = 20$ [ , $∞ = 70$]

Q8) $∆ + 4 = 11$ [ , $∆ = 7$]

Q8) $10◊ = 80$ [ , $◊ = 8$]

Q8) $6◊ + 2 = 26$ [ , $◊ = 4$]

Q9) $∞ -5 = 2$ [ , $∞ = 7$]

Q9) $10∞ = 70$ [ , $∞ = 7$]

Q9) ${∞\over2}+8 = 18$ [ , $∞ = 20$]

Q10) $◊ + 9 = 18$ [ , $◊ = 9$]

Q10) $∞ \over 5$ $=4$ [ , $∞ = 20$]

Q10) ${□\over3}+10 = 19$ [ , $□ = 27$]