Quantitative Aptitude - Arithmetic Ability Questions

A train 100 m long is running at a speed of 120 kms/hr. The time taken to pass a person standing near the line is

If x , y, and z are real numbers such that (x - 3)2 + (y - 4)2 + (z - 5)2 = 0 then (x+y+z) is equal to

In the following question, select the odd letter/letters from the given alternatives.

If x = y + 2 then x3 - y3 - z3 is

If x = 93 , y = 93 , z = 94 then the value of x2 - y2 + 10xz + 10yz is

If x = (√5) + 1 and y = (√5) – 1, then what is the value of (x2/y2) + (y2/x2) + 4[(x/y) + (y/x)] + 6?

The value of cos (1110°) is

Points P and Q lie on side AB and AC of triangle ABC respectively such that segment PQ is parallel to side BC. If the ratio of areas of triangle APQ: triangle ABC is 16:25. Then the ratio of AP:PB is?