Most common Alien weeds are 

In how many days 8 boys and 6 girls can complete the work working together?

Statement I: The ratio of efficiency of boy to girl is 3:1

What is the yearly salary of Mr. Rohan?

I. Sohan earns Rs. 44000 more than Mohan in a year who earns Rs. 16000 more than Rohan per annum.

What is the present age of mother?

I. The difference between the ages of mother and daughter is 45 years.

In how many days, men Lal, Bal and Pal together can finish the same piece of work

What is the value of (4ab+ab²)/(a² b),   a,b ≠0

I. a + b = 0

II. a – b = 1

Who among the following among C and A is elder?

What is the principal amount?

A train crosses another train running in the opposite direction in 25 seconds. What is the speed of the train?

A question is given, followed by three statements I, II and III. Identifry which of the statements is/are sufficient to answer the question.

What is the age of a class teacher?

I. There are 13 students in the class.

II. The average age of students and the teacher is 16 years.