If `A=4^5xx7^3` and `B=7^2xx4^6` then `AxxB=`

If A={1,3,5,7) and B={2,4,6} , find AxxB

If 5xx3xx9=395 and 9xx7xx5= 759 , then 7xx6xx4 =?

If 4xx5xx2=524,3xx7xx2=723 and 6xx8xx7=876 then 9xx4xx5=?

If 4xx2xx6=1626, 3xx7xx4=974 , then 5xx6xx8=?

What will be the Least Common Multiple of 2^(2) xx 3^(5) xx 7^(3) and 2^(4) xx 3^(4) xx 7^(1) ?

If 2xx6=1626,3xx7xx4=974, then 5xx6xx8=

The H.C.F. of 2^4xx3^2xx5^3xx7, 2^3xx3^3xx5^2xx7^2 and 3xx5xx7xx11 is (a) 105 (b) 1155 (c) 2310 (d) 27720

Find the unit digit of 3^6 xx 4^7 xx 6^3 xx 7^4 xx 8^2 xx 9^5 .