Quantitative Aptitude - Arithmetic Ability Questions

The average monthly salary of 19 members of a group is Rs. 16000. If one more members whose monthly salary is Rs. 20000 has joined the group, then the average salary of the group is

What is the largest 4 digit number which is exactly divisible by 81?

If ΔABC is an equilateral triangle of side 16 cm, then the length of altitude is

Each of the questions below consists of a question and two statements numbered, I and II given below it. You have to decide whether the data given in the statements are sufficient to answer the question. Read both statements and choose the most appropriate option. Among M, N, D, P and K, who earns more than only the least earner among them?

I. N earns more than M and P but less than only D.
II. M earns more than P who earns more than K.

5% more is gained by selling a watch for Rs. 350 than by selling it for Rs. 340. The cost price of the watch is

ΔXYZ is right angled at Y. If cosX = 3/5, then what is the value of cosecZ ?

AB is the diameter of a circle with center O and P be a point on its circumference. If ∡POA = 120°, then the value of ∡PBO is

If the roots of the equation a(b – c)x2 + b(c – a)x + c(a – b) = 0 are equal, then which of the following is true?