In the number 15!/100, which digit will be in the unit's place?

The area of two equilateral triangles are in the ratio 25 : 36. Their altitudes will be in the ratio : 

The volume of a cuboid is 2 times the volume of a cube. If the dimensions of the side are 9 cm by 8 cm and 6 cm, then the total surface area of the cube is

The value of (x + y + z)³ – (y + z – x)³ – (z + x – y)³ – (x + y – z)³ is:

If sin 3A=cos(A+10⁰), where 3A is an acute angel, then what is the value of $$2cosec{3A\over2}+6sin^23A-{3\over 2}tan^2\ 3A$$?

If ABC is an equilateral triangle and P, Q, R respectively denote the middle points of AB, BC, CA then.

If $$P_1$$, $$P_2$$, and $$P_3$$ are three distinct prime numbers, then what is the least common multiple of $$P_1$$, $$P_2$$, and $$P_3$$?

Direction: The line chart given below shows number of labourers (men and women) working in six different years. Study the data carefully and answer the following questions. 

Find the ratio between total number of Labors working in 2012 and 2013 together to total number of labors working in 2015 and 2016 together.