Quantitative Aptitude - Arithmetic Ability Questions

If 35% of A's income is equal to 25% of B's income, then the ratio of A's income to B's income is

In triangle PQR, C is the centroid. PQ = 30 cm, QR = 36 cm and PR = 50 cm. If D is the midpoint of QR, then what is the length (in cm) of CD?

P and Q can do a project in 150 and 100 days respectively. In how many days can they complete 60% of the project if they work together?

ΔABC is right angled at B. If m∠A = 45°, then find the value of (cosecC + 1/√3).

The area of the largest sphere ( in cm2) that can be drawn inside a square of side 18 cm is

Three bottles of equal capacity containing mixture of milk and water in ratio 2 : 5, 3 : 4 and 4 : 5 respectively. These three bottles are emptied into a large bottle. What will be the ratio of milk and water respectively in the large bottle?

A and B can complete a task in 1.5 days. However, A had to leave a few days before the task wascompleted and hence it took 2 days in all to complete the task. If A alone could complete the work in2.625 days, how many days before the work getting over did A leave?

In the figure, B and C are the centres of the two circles. ADE is the common tangent to the two circles. If the ratio of the radius of both the circles is 3:5 and AC= 40, then what is the value of DE?