Quantitative Aptitude - Arithmetic Ability Questions

Neeraj's earning was decreased by 60% and after that subsequently increased by 60%. Find the final loss % on his earnings?

ABC is an equilateral triangle and P is the orthocenter of the triangle, then what is the value (in degrees) of ∠BPC?

In an isosceles trapezium ______.

At 6% simple interest per annum a sum of money became Rs. 834 in 6.5 years. The sum initially invested was

The simple interest on a certain sum of money invested at a certain rate for 2 years amounts to Rs. 1200. The compound interest on the same sum of money invested at the same rate of interest for 2 years amounts to Rs. 1290. What was the principal?

What is the value of [(sin x + sin y) (sin x – sin y)]/[(cosx + cosy) (cosy – cosx)]?

What is the value of 299996 x 300004?

What is the value of 7293 + 441 - 3433 ?