Quantitative Aptitude - Arithmetic Ability Questions

If Sin x = 4/5, then Cosec x + Cot x =

The length of a median of an equilateral triangle is 12√3 cms. Then the area of the triangle is

In the given figure, radius of a circle is 14√2 cm. PQRS is a square. EFGH, ABCD, WXYZ and LMNO are 4 identical squares. What is the total area (in sq.cm) of all the small squares ?

A vendor buys bananas at 12 for Rs 50 and sells at 5 for Rs 40. What will be the gain (in %)?

Mahanath works 2 times as fast as Sahay. If Sahay can complete a job alone in 21 days, then in how many days can they together finish the job?

In what ratio sugar of Rs 38 per kg and Rs 30 per kg be mixed with each other so that on selling mixture at Rs 35.2 per kg there will be a profit of 10%?

What is the value of (2/√3 +tan45° ) ?

What is the sum of a3+b3+c3-3abc, when the value of a=4, b=2 and c=-6?