Quantitative Aptitude - Arithmetic Ability Questions

The diagonal of a cube is 192 cm. Its volume in cm3 will be 

The time taken by a train 160 m long, running at 72 km/hr, in crossing an electric pole is

Abhishek marks the price of his laptop 60% above the cost price. If he gives a discount of 30% on the marked price, then what is the profit percentage?

The average marks obtained by Raghav in 12 tests is 24. Zubeida has maintained an average of 23 so far but has taken only 9 of the tests. If each test is out of 30, at least how much Zubeida score in any one of the remaining three tests to still have a chance to match Raghav's performance?

The value of (2+32-3-342) is

In ΔPQR, PQ = PR = 18 cm, AB and AC are parallel to lines PR and PQ respectively. If A is the mid-point of QR, then what is the perimeter (in cm) of quadrilateral ABPC?

Mr. Mahesh sold a bus for Rs. 22,100 with a loss of 15%. At what price should the bus be sold to get a profit of 15%?

If the shopkeeper sells an item at Rs 4400 which is marked as Rs 5000, then what is the discount that he is offering?