`2xx13 3/4xx5 1/4+5 1/4xx5 1/4+13 3/4xx13 3/4=?` (a) 311 (b) 316 (c) 361 (d) 380

(4. 2xx4. 2-1. 9xx1. 9)/(2. 3xx6. 1)=? (a) 0.5 (b) 1 (c) 1.9 (d) 4.2

Perform the following multiplication a) 2/9 xx 7/8 xx 1/9 b) 1/3 xx 4/5 xx 1/4 c) 1/3 xx 2/4 xx 5/3 d) 1/2 xx 1/3 xx 1/4 e) 1/5 xx 2/5 xx 2/3 f) 2/3 xx 5/6 xx 1/4

Find Value of:- 4+3 xx 4 +3 xx 4^(2) +3xx 4^(3) +3 xx 4^(4) +3 xx 4^(5) = ? (a) 5 xx 4^(5) (b) 9xx 4^(4) (c) 4^(6) (d) 10 xx 4^(4)

The value of (5 1/4 div 3/7 of 1/2)xx(5 1/4xx 3/7 div 1/2) div (5 1/4 div 3/7 xx 1/2) is :- (5 1/4 div 3/7 of 1/2)xx(5 1/4xx 3/7 div 1/2) div (5 1/4 div 3/7 xx 1/2) का मान है :

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

(i) 4.3 xx 0.13 =? (ii) 1.12 xx 2.3 xx 4.325 =?

(27xx4-13xx6)/(25-:5xx2)=

1 (4)/(5) xx 2 (2)/(3) xx 3 (1)/(3) xx (1)/(4) =

(5xx1.6-2xx1.4)/(1.4(d)4^(1.3))=?( a) 0.4(b)1.2 (c)