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15c6+15c7+16c8=== 17cx
find x

Read Solution (Total 1)

x=9

15c6=5005
15c7=6435
16c8=12870
15c6+15c7+16c8=17c9
12 years agoHelpfull: Yes(0) No(2)

Patni Other Question

three men invested sum. and their ratio is 5:7:6. profit is 5400.then b's share sum of all 5 digit nos formed using 1,3,5,7,9.