`12846xx593+12846xx407=?`

What is the unit digit of 178 xx 593 + 157?

(i) 246xx1= ......... (ii) 1369xx0=......... (iii) 593xx188=188xx...... (iv) 286xx753= ...... xx286 (v) 38xx(91xx37)=...... xx (38xx37) (vi) 13xx100xx ......... = 1300000 (vii) 59xx66+59xx34=59xx(....... + .......) (viii) 68xx95 =68xx100-68xx ..........

4xx9xx3 xx 6 = 6493, 2xx8xx1xx 8 = 8281, 3 xx 8 xx 5 xx 7 = ?

If 3 xx 4 xx 9 xx 3 = 4933 and 4 xx 6 xx 2 xx 1 = 6241, then 1 xx 6 xx 3 xx 2 = ?

10 xx 20 xx 30 xx 40 xx ------------- xx 1000

Number of zero's in the product of 5xx10xx25xx40xx50xx55xx65xx125xx80 is

Find the no. of zeros in the product of (5 xx 10 xx 25 xx 40 xx 50 xx 55 xx 65 xx 125 xx 80)