Quantitative Aptitude - Arithmetic Ability Questions

What is the HCF of 6345 and 2160?

(798+579)2- (798-579)2798 x 579 =

If a boat goes upstream at a speed of 18 km/hr and comes back the same distance at 30 km/hr. What is the average speed (in km/hr) for the total journey?

Which of the following number is largest among all?

0.7,0.77,0.077, 0.070707

Which of the following fractions is the least of all?

A right triangular prism has equilateral triangle as its base. Side of the triangle is 15 cm. Height of the prism is 20√3 cm. What is the volume (in cm3) of the prism?

Rs 6300 is divided among A, B and C in the ratio of 1/2 : 1 : 3/5. What is the share (in Rs) of B?

If 3A = 6B = 9C; What is A : B : C