What should come in place of the x in the… | Answer

Subject

Quantitative Aptitude

Topic

Simplification

What should come in place of the x in the following question? $\frac{x}{{\sqrt {49} }} = \frac{{35 \times 4 - 40}}{2}$
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ক)

420

খ)

445

গ)

225

ঘ)

350

ঙ)

None of these

Explanation

Follow BODMAS rule to solve this question, as per the order is given below, Step - 1 - Parts of an equation enclosed in 'Brackets' must be solved first, Step - 2 - Any mathematical 'Of' or 'Exponent' must be solved next, Step - 3 - Next, the parts of the equation that contains 'Division' and 'Multiplication' are calculated, Step - 4 - Last but not least, the parts of the equation that contains 'Addition' and 'Subtraction' should be calculated. The given expression is

\begin{array}{l} \frac{x}{{\sqrt {49} }} = \frac{{35 \times 4 - 40}}{2}\\ \Rightarrow \frac{x}{7} = \frac{{140 - 40}}{2}\\ \Rightarrow \frac{x}{7} = \frac{{100}}{2}\\ \Rightarrow \frac{x}{7}\; = 50 \end{array}

⇒ x = 50 × 7 ⇒ x = 350

The difference of 1 (3/16) and its reciprocal is equal to What should come in place of question mark (?) in the following question? (43% of 2750) – (38% of 2990) =?How many (1/8)s are there in 37 (1/2)?If

x = \sqrt {\left( {1.96} \right)} - \sqrt {\left( {0.04} \right)}

then the value of x is Find the value -2+(-2)-{-(2)}-2 Let a = (4 ÷ 3) ÷ 3 ÷ 4, b = 4 ÷ (3 ÷ 3) ÷ 4, c = 4 ÷ 3 ÷ (3 ÷ 4). The maximum value among the above three is What will come in place of the question mark (?) in the following equation? 160 km 80 m ÷ 6 = ?If I = (3/4) ÷ (5/6), II = 3 ÷ [(4 ÷ 5) ÷ 6], III = [3 ÷ (4 ÷ 5)] ÷ 6, IV = 3 ÷ 4 ÷ (5 ÷ 6), then

What should come in place of the x in the following question? x49=35×4−402\frac{x}{{\sqrt {49} }} = \frac{{35 \times 4 - 40}}{2}49​x​=235×4−40​Reading

What should come in place of the x in the following question? x49=35×4−402\frac{x}{{\sqrt {49} }} = \frac{{35 \times 4 - 40}}{2}49​x​=235×4−40​

Explanation

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What should come in place of the x in the following question? $\frac{x}{{\sqrt {49} }} = \frac{{35 \times 4 - 40}}{2}$
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What should come in place of the x in the following question? $\frac{x}{{\sqrt {49} }} = \frac{{35 \times 4 - 40}}{2}$