1.

1). 1602). 1403). 1504). 130

Answer»

Follow BODMAS rule to solve this question, as per the order given below,

Step-1- Parts of an equation enclosed in 'Brackets' must be solved first, and in the bracket,

Step-2- Any mathematical 'Of' or 'Exponent' must be solved next,

Step-3- Next, the parts of the equation that contain 'Division' and 'Multiplication' are calculated,

Step-4- Last but not least, the parts of the equation that contain 'Addition' and 'Subtraction' should be calculated.

Given expression is,

$(\frac{3}{4} + \frac{7}{8} + \frac{{11}}{{12}} + \frac{{13}}{{16}} = \frac{{? + 1}}{{48}})$

$(\Rightarrow \;\frac{{36 + 42 + 44 + 39}}{{48}} = \frac{{? + 1}}{{48}})$

⇒ 161/48 = (? + 1) /48

⇒ 161 = ? + 1

∴ ? = 160


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