Quantitative Aptitude - Arithmetic Ability Questions

Find the curved surface area (in cm²) of a hemisphere of diameter 28 cm

If O is the orthocentre of a triangle ABC and ∠BOC = 100°, the measure of ∠BAC is

In a trapezium ABCD, AB || CD, AB < CD, CD = 6 cm and distance between the parallel sides is 4 cm. If the area of ABCD is 16 sq.cm, then AB is

If x + 1x = c + 1c, then the value of x =

The point of intersection of all the three medians of a triangle is called its

In the given figure, two identical circles of radius 4 cm touch each other. A and B are the centres of the two circles. If RQ is a tangent to the circle, then what is the length (in cm) of RQ?

The marked price of a pencil is 35% more than its cost price. What maximum discount percentage can be offered by the shopkeeper to sell his pencil at no profit or no loss?

The mode and median of the data 8, 6, 8, 7, 8, 6, 8, 7, 6 is