For the following questions answer them individually
A, B, C, D and E sit on a bench in a row such that C sits between D and E: D sits between A and C while E sits between C and B. Their seating arrangement is
If $$ab \neq 0$$ and $$a * b = \frac{1}{ab} - 1$$, then $$\sum_{k=1}^{2015}\left(\frac{1}{k^2} * k\right) =$$
If $$a ⊙ b = \sqrt{ab} + \frac{1}{\sqrt{ab}}$$ and $$a \triangle b = \sqrt{ab} - \frac{1}{\sqrt{ab}}$$, then $$\frac{4 ⊙ 9 + 4 \triangle 9}{4 ⊙ 9 - 4 \triangle 9} =$$
A clock is set at 10.00 a.m. If clock loses 3 minutes every two hours, whatis the correct time whenthe clock shows 4.00 p.m. on the same day ?
In a fraction if the numerator is increased by 20% and the denominator is decreased by 20% we get new fraction $$\frac{3}{7}$$ The sum of the new fraction and the original fraction is
By selling an item for ₹ 189, a trader gets a profit of $$12\frac{1}{2}\%$$. The cost price (in rupees) of the item is
The cost price of an item is ₹ 250. Its marked price is ₹ 360. The maximum possible discount that can be given so that a profit of 20% is made is
In a partnership, A invests $$\frac{1}{4}$$ of the capital for $$\frac{1}{4}$$ of the time; B invests $$\frac{1}{5}$$ of the capital for $$\frac{1}{2}$$ of the time while C invests the rest of the capital for the whole time. The share of A (in thousands of rupees) in the profit of ₹ 2.28 lakhs is