Quantitative Aptitude - Arithmetic Ability Questions

The Simplified form of (b3x2a4z3)*(b4x3a3z2)/(a2b4z3) is

If a regular polygon has 6 sides then the measure of its interior angle is greater than the measure of its exterior angle by how many degrees?

The average height of 40 sticks is 154 cm. Some sticks of average height 160 cm are taken out. If the new average height is 150 cm, then how many sticks are remaining?

When a number is increased by 120, it becomes 130% of itself. What is the number?

If a = 299, b = 298, c = 297 then the value of 2a3 + 2b3 + 2c3 - 6abc is

Rs 11,550 has to be divided between X, Y & Z such that X gets 4/5 of what Y gets and Y gets 2/3 of what Z gets. How much more does Z get over X (in Rs)?

If the product of two numbers is 2646 and their LCM is 42 then their HCF is

If 2 cos θ = 2 – sin θ, then what is the value of cos θ?