Simplify: `(155\ xx\ 155\ xx\ 155-55\ xx\ 55\ xx\ 55)/(155\ xx\ 155+155\ xx\ 55+55\ xx\ 55)`

Simplify: (173\ xx\ 173\ xx\ 173+127\ xx\ 127\ xx\ 127)/(173\ xx\ 173-173\ xx\ 127+127\ xx\ 127)

Simplify : 126xx55+126xx45

Simplify: 9\ xx\ (-16)+\ (-17)\xx\ (-16)

Simplify : 555 - 55.5 - 5.555

Simplify 423xx55+423xx45 .

Simplify (-xy) xx (-yz) xx (-zx)

Evaluate the following : 102\ xx\ 106 (ii) 109\ xx\ 107 (iii) 35\ xx\ 37 (iv) 53\ xx\ 55

Evaluate each of the following: (i)\ 2^(55)xx\ 2^(60)-\ 2^(97)xx\ 2^(18) (ii)\ (2/3)^2xx\ (2/5)^(-3\ )xx\ (3/5)^2

Multiply: (51)/(55)xx((-60))/(34)

The presssure of a medium is changed from 1.01xx10^(5) Pa to 1.165xx10^(5) Pa and change in volume is 10 % keeping temperature constant . The bulk modulus of the medium is (a) 204.8 xx 10^(5) Pa (b) 102.4xx10^(5) Pa (c ) 5.12xx10^(5) Pa (d) 1.55xx10^(5) Pa