Quantitative Aptitude - Arithmetic Ability Questions

Three numbers are in the ratio of 3:5:10 and their LCM is 630. Find their HCF.

Let O be the orthocentre of the triangle ABC. If ∠BOC = 150°, Then ∠BAC is

If the parallel sides of a trapezium are 8 cm and 4 cm, M and N are the mid points of the diagonals of the trapezium, then length of MN is

The area of a rhombus having one side 10 cm and one diagonal 12 cm is

In triangle ABC, AB = 8 cm, angle A is bisected internally to intersect BC at D. BD = 6 cm and DC = 7.5 cm. What is the length of CA?

If x = 3+13, then the value of x-12642x-1x-233 is

If 14/3 + (1/2)(x - 7/3) = -2x/3, then the value of x is?

PQ is a tangent to the circle at T. If TR = TS where R and S are points on the circle and ∠RST = 65°, the ∠PTS =