Quantitative Aptitude - Arithmetic Ability Questions

ΔDEF is right angled at E. If cosD = 8/17, then what is the value of secF ?

Two students appeared for an examination. One of them secured 9 marks more than the other and his marks were 56% of the sum of their marks. The marks obtained by them are

Compute : 1112 / 139 - 5

If cos 240° = x, then value of x is

The co-ordinates of the centroid of a triangle ABC are (1 , -4). What are the co-ordinates of vertex C if co-ordinates of A and B are (3 , -4) and (0 , 5) respectively?

What is the value of (3/5 + 7/9)?

If cot ­-4π/3 = x, then the value of x is

If the amount received at the end of 2nd and 3rd year at Compound Interest on a certain Principal is Rs 24200, and Rs 26620 respectively, what is the rate of interest?