Quantitative Aptitude - Arithmetic Ability Questions

The average weight of P, Q and R is 47 kg. If the average weight of P and Q be 32.5 kg and that of Q and R be 48.5 kg, then what is the weight of Q (in kgs)?

The smallest number, which should be added to 756896 so as to obtain a multiple of 11, is

Sum of four times a fraction and 6 times its reciprocal is 11. What is the fraction?

Determine the value of 'x' when 3x3 = 27

The ratio between the speeds of two buses is 11:9. If the second bus runs 270 kms in 15 hours, then the speed of the first bus is?

You are given a question and two statements. Identify which of the statements is/are sufficient to answer the question.

Question:

What is the total age of the sisters 10 years from now?

Statements:

1. Lina is 20 years old now.

2. Lina's sister's age is twice that of the age of Lina.

Given: x -­ 5 ≤ 2x -­ 3 and 2x - ­1/2 ≥ 5x + 2; then x can take which of the following values?

In the following question, select the odd letter/letters from the given alternatives.