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Maths Puzzle
If abcd*4=dbca,then what is abcd?
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- 2178x4=8712
abcd=2178 - 11 years agoHelpfull: Yes(5) No(5)
- (1) = (2) => 3999a + 300b + 30c = 996d
=> no values posible
- 11 years agoHelpfull: Yes(1) No(1)
- 1665
abcd => 4 digits => abcd = (1000a + 100b + 10c + d)
abcd*4 = 4000a + 400b + 40c + 4d ...(1)
dbca => (1000d + 100b + 10c + a) ...(2)
(1) = (2) => 3000a + 300b + 30c = 996d
=> a = 1 ,b = 6 , c = 6, d = 5
- 11 years agoHelpfull: Yes(0) No(2)
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