Quantitative Aptitude - Arithmetic Ability Questions

P and Q can do a project in 20 and 12 days respectively. In how many days can they complete 40% of the project if they work together?

Vishal is 20 years younger to Arya. Twelve years hence Arya's age will be 1.25 times that of Vishal. Aryais now ......... years old.

If k is the largest possible real number such that p4+q4=(p2+kpq+q2)(p2-kpq+q2),then the value of k is

If one angle of a triangle is equal to half the sum of the other two equal angles, then the triangle is

If a triangle has its orthocenter and centroid of equal length, then which of the following is TRUE about the triangle?

The ratio of present ages of Ramita and Satyajit is 9:7. After 9 years the ratio of their ages will be 5:4. What is Ramita's present age?

One diagonal of a rhombus is half the other. If the length of the side of the rhombus is 20 cm, what is the area of the rhombus?

Average of the marks of 132 students of a college is 40. If the average of the marks of the passed students is 42 and the average of the marks of the failed students is 20, then what will be the respective ratio of the total marks of passed students and the total marks of failed students?