Quantitative Aptitude - Arithmetic Ability Questions

Find the greatest number among 213, 312, 1, 516

The average of 5 consecutive numbers is 50%, then difference between 'product of largest and smallest number' with 'product of fourth and second number' is

If an equilateral triangle has side 12 cm, then what is the difference (in cm) between the circumradius and inradius?

The area of a semicircle is 1925 sq.cm. Calculate its perimeter (in cm).

What is the distance between the points (3 , 6) and (-2 , -6)?

If P + 1P+2 = 1, then the value of P+23+1P+23-3 ?

Simplify (b5x2a3z4)*(b3x2a4z5) / (a2b3z2)

Daily local train ticket costs Rs 30 and Monthly Pass costs Rs 670.8. If I buy the Monthly Pass and travel for 26 days in a month than I save?