Quantitative Aptitude - Arithmetic Ability Questions

An octahedron has 6 vertices. How many edges does it have?

What is the value of sin (B – C) cos (A – D) + sin (A – B) cos (C – D) + sin (C – A) cos (B – D)?

If 5x - 4 ≤ 2 - x and 4x + 5 > 2x - 5, then x can take which of the following values?

If P = 5X and Q = X, then P is how much percentage more than Q?

What is the value of sin (90° + 2A)[4 – cos2(90° – 2A)]?

Find the odd word/letters/number pair from the given alternatives.

A sum fetched a total simple interest of Rs 5320 at the rate of 7% per year in 5 years. What is the sum?

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.