The selling price of an article is `(11)/(6)` times that of its cost price. The gain per cent is
A. 0.85
B. 0.72
C. 831/3%
D. 0.76
1 Answers
Let \( \vec{a}, \vec{b}, \vec{c} \) be unit vectors such that \( \vec{a}+\vec{b}+\vec{c}=\overrightarrow{0} \). Which one of the following is correct ? [IIT-2007] (a) \( \vec{a} \times \vec{b}=\vec{b} \times \vec{c}=\vec{c} \times \vec{a}=\overrightarrow{0} \) (b) \( \overrightarrow{ a } \times \overrightarrow{ b }=\overrightarrow{ b } \times \overrightarrow{ c }=\overrightarrow{ c } \times \overrightarrow{ a } \neq \overrightarrow{0} \) (c) \( \overrightarrow{ a } \times \overrightarrow{ b }=\overrightarrow{ b } \times \overrightarrow{ c }=\overrightarrow{ a } \times \overrightarrow{ c } \neq \overrightarrow{0} \) (d) \( \vec{a} \times \vec{b}, \vec{b} \times \vec{c}, \vec{c} \times \vec{a} \) are mutually \( \perp \)
Given that \(\vec a, \vec b\) and \(\vec c\)are unit vectors. i.e., |\(\vec a\)| = |\(\vec b\)| = |\(\vec c\)| = 1 And \(\vec a\) + \(\vec b\) + \(\vec c\) = \(\vec 0\) Then \((\vec a+\vec b+\vec c).(\vec a+\vec b+\vec c)=\vec 0.\vec...
2 Answers 1 views
The cost of 5(2/5) litres of milk is ₹ 101(1/4) then find the cost of 1 litre.
Correct option is (D) Rs \(18\frac{3}{4}\) \(\because\) Cost of \(5\frac{2}{5}\) litres of milk = Rs \(101\frac{1}{4}\) \(\Rightarrow\) Cost of \(\frac{27}{5}\) litres of milk = Rs \(\frac{405}4\) \(\therefore\) Cost of 1 litres of milk = Rs \((\frac{405}4\div\frac{27}5)\) = Rs \((\frac{405}4\times\frac5{27})\) = Rs \((\frac{45}4\times\frac5{3})\) = Rs \((\frac{15\times5}4)\) = Rs \(\frac{75}4\) = Rs \(\frac{18\times4+3}4\) = Rs \((18+\frac34)\) = Rs \(18\frac{3}{4}\).
2 Answers 1 views
Selling Price = ...............................
A) M.P – discount
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Selling Price = ...............................
2 Answers
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The cost of 4 kg potato, 3 kg wheat and 2 kg rice is x 60. The cost of 1 kg potato, 2 kg wheat and 3 kg rice is ? 45. The cost of 6 kg potato, 2 kg Wh
Correct Answer - ₹5,₹8,₹8
2 Answers 1 views
5 pens and 6 pencils together cost Rs 9 and 3 pens and 2 pencils cost Rs 5. Find the cost of 1 pen and 1 pencil.
Let the cost of 1 pen be ‘a’ and the cost of 1 pencil be ‘b’. Given, 5 pens and 6 pencils together cost Rs 9. 5a + 6b = 9 --------- (1) Given, 3...
2 Answers 1 views
4 tables and 3 chairs, together, cost Rs 2,250 and 3 tables and 4 chairs cost Rs 1950. Find the cost of 2 chairs and 1 table.
Let the cost of 1 table be ‘a’ and cost of 1 chair be ‘b’. Given, 4 tables and 3 chairs, together, cost Rs 2,250 and 3 tables and 4 chairs cost...
2 Answers 1 views
Cost of 5 pens and 7 note books is Rs 82 and cost of 4 pens and 4 note books is Rs 52. Find the cost of 2 note books and 3 pens
Correct Answer - B Make algebraic equation and proceed
2 Answers 1 views
An investment company has been valuing its inventory of land at lower of market price or cost. It now wanted to value its inventory at the current mar
Correct Answer - Prudence Concept.
2 Answers 3 views