1.

`(1.49xx14.9-0.51xx5.1)/(14.9-5.1)` के बराबर है।A. `0.20`B. `20.00`C. `2.00`D. `22.00`

Answer» Correct Answer - C
`(1.49xx14.9-0.51xx5.1)/(14.9-5.1)`
`implies(149/100xx149/10-051/100xx51/10)/(149/10-51/.10)`
`implies(((149^(2))/1000-(51^(2))/1000)/(((149-51)/10)))`
`implies(1/1000(149^(2)-51^(2)))/(1/10(149-51))`
`implies(1(149-51)(149+51))/(100(149-51))`
`implies200/100=2`


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