Quantitative Aptitude - Arithmetic Ability Questions

Vinay professes to lose 4% on sugar and uses a weight of 620 gm instead of 1 kg. What is the total profit percentage?

The average marks in science subject of a class of 20 students is 68. If the marks of two students were misread as 48 and 65 of the actual marks 72 and 61 respectively, then what would be the correct average?

What will be the net discount (in percentage) for two successive discounts of 30% and 20%?

The price of an article is cut by 42%, to restore to its original value, the new price must he increased by ______.

In the following question, select the odd word from the given alternatives.

The length of the diagonal and the breadth of a rectangle are 17 cm and 8 cm respectively. Find its perimeter (in cm).

If cosθ1-sinθ+cosθ1+sinθ = 4, then the value of θ (0°<θ<90°)?

If P = 7 + 4√3 and PQ = 1, then what is the value of (1/P2) + (1/Q2)?