The value of `x` in the equation `(113xx4-xxx2)/(13xx9-5xx7)=5` is (a) 21 (b) 27 (c) 35 (d) 42

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

21xx7+3xx44-5-6xx7

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

The value of ((8.6xx5.3+8.6xx4.7)/(4.3xx9.7-4.3xx8.7)) is (a) 3.3 (b) 6.847 (c) 13.9 (d) 20

What will be the value of a+b in the following equation? [4(3+{9xx6-:3+{12-:(1-:1xx3)}})]=5^(a)xx2^(b)

The value of (4.7 xx 13.26+4.7xx9.43+4.7xx77.31) is: (a) 0.47 (b) 47 (c) 470 (d) 4700

H.C.F. of 4xx27xx3125 , 8xx9xx25xx7 & 16xx81xx5xx11xx49 is (a) 180 (b) 360 (c) 540 (d) 1260

Find the missing value in (9-:2xx27-:9)/(18-:7.5xx5-:4)=?

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