` (ii) 5/6 xx 4/7 = 4/7 xx 5/6`

Multiply and reduce to lowest form : (i) 7 xx 3/5 (ii) 4 xx 1/3 (iii) 2 xx 6/7 (iv) 2/3 xx 4 (v) 5/2 xx 6 (vi) (11) 4/7 (vii) 20 xx 4/5 (viii) 13 xx 1/3 (ix) 15 xx 3/5

3 4/5 xx 6 3/7=

1/(5 xx 6) + 1/(6 xx 7) + 1/(7 xx 8) + ….. + 1/(24 xx 25) ?

Evaluate the following expression. (24 -: 6) xx 4+ 7 xx 5 - 6

Verify the following: (i) 3/7 times (5/6 + 12/13) = (3/7 times 5/6) + (3/7 times 12/13)

Express the following in exponential form (i) 6 xx 6xx6 xx 6 (ii) txxt (iii) bxxbxxbxxb (iv) 5 xx 5xx7 xx 7xx7 (v) 2 xx 2xxaxxa (vi) axxaxxaxxcxxcxxcxxcxxd

The value of 2 7/8 div (3 5/6 div 2/7 of 2 1/3) xx [(2 6/7 of 4 1/5 div 2/3)xx5/9] is : / 2 7/8 div (3 5/6 div 2/7 of 2 1/3) xx [(2 6/7 of 4 1/5 div 2/3)xx5/9] का मान ज्ञात करें |

find the value (6/7 xx 3/4) + (6/7 xx 11/4)

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

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