If 5AXA=399 ,then the value of A is?

Asked by mkp400 | 30th Dec, 2017, 12:55: PM

Expert Answer:

begin mathsize 16px style space space 5 straight A
bottom enclose space cross times straight A end enclose
399

If space straight A space equals space 7 comma space then comma
space space 57
bottom enclose space cross times 7 end enclose
399

Hence comma space straight A equals 7
end style

Answered by Rashmi Khot | 30th Dec, 2017, 03:02: PM