Quantitative Aptitude - Arithmetic Ability Questions

What is the value of z2+1z2 when z = 5+26 ?

What will be the value of r2+p2+s2-rp-ps-rs when r = 4, p = 2, s = 8?

Weight of Ayush and Abhishek are in the ratio of 6:11. Abhishek's weight increases by 25% and total weight of Ayush and Abhishek both increases by 40%. If total weight becomes 119 kg, then wat is the weight (in kg) of Ayush after the increment?

Select the odd word from the given alternatives.

If in a triangle ABC, Sin A = Cos B then the value of Cos C is

If 3a+4b3c+4d = 3a-4b3c-4d, then 

ΔXYZ is right angled at Y. If cosX = 3/5, then what is the value of cosecZ ?

∆DEF is right angled at E. If tanD = 4/3, then what is the value of tanF ?