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Maths Puzzle
3A+4B=10
5C+6D=42
7E+8F=?
Read Solution (Total 3)
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- 7*10+8*3=94
- 11 years agoHelpfull: Yes(1) No(1)
- A=1 B=2 C=3 D=4 E=5 F=6
3A+4B=10
=3(1)+4(2)
Multiply odd ad even+odd ad even
=3(2)+4(1)
=6+4
=10
5C+6D
=5(3)+6(4)
=5(6)+3(4)
=30+12
=42
7E+8F
=7(5)+8(6)
=7(6)+8(5)
=42+40
=82 - 11 years agoHelpfull: Yes(0) No(0)
- A=1 B=2 C=3 D=4 E=5 F=6
3A+4B=10
=3(1)+4(2)
Multiply odd ad even+odd ad even
=3(2)+4(1)
=6+4
=10
5C+6D
=5(3)+6(4)
=5(6)+3(4)
=30+12
=42
7E+8F
=7(5)+8(6)
=7(6)+8(5)
=42+40
=82 - 11 years agoHelpfull: Yes(0) No(0)
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