a=4 b=20 c=5 d=2
Solve this number puzzle and find out the possible value for a,b,c and d.
There is a four-digit number ABCD, where A, B, C, D each represents a different digit from 1 to 9.
If ABCD is divisible by 13, BCDA is divisible by 11, CDAB is divisible by 9, and DABC is divisible by 7, what is the original number ABCD?
If in the image points A,B,C,D,E are in a circle and ∠ABC=∠BCD=∠CDE=45. Which area is greater?
If blue rectangle area is equal to the sum of 3 squares areas combined as in image, what is relation between a,b,c & d?
