`3/4xx6/7xx8/3xx7/3xx8/5xx5/8=`

What is (7/8xx7/8+5/6xx5/6+2xx7/8xx5/3)/(7/8xx7/8-5/6xx5/6) equal to? (41)/(24) (b) 1/(24) (c) 41 (d) None of these

Express each of the following in exponential form: (-5)xx(-5)xx(-5) (ii) (-5)/7xx(-5)/7xx(-5)/7xx(-5)/7 (iii) 4/3xx4/3xx4/3xx4/3xx4/3

Simplify: (7xx7xx7+3xx7xx7xx5+3xx7xx5xx5+5xx5xx5)/(7xx7+2xx7xx5+5xx5)

15 7/8xx 23 1/5+3 4/5xx 5 1/8=

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

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

The unit digit of expression (1 xx 2 xx 3 xx 4 xx 5 xx 6 xx 7 xx 8 xx 9 xx 10)/(100) .

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

(4.5xx3.7+4.5xx6.3)/(1.5xx8.4-1.5xx7.4)=?