Quantitative Aptitude - Arithmetic Ability Questions

What is the value of 20% of 500% of 50?

If cosec4A -­ cosec2A = x, then value of x is?

What is the simplified value of sec6 A – tan6 A – 3 sec2 A tan2 A?

A student multiplied a number by 4/7 instead of 7/4. What is the percentage error in the calculation?

While selling an article for Rs 18450, a person suffered a loss of 50%. At what price he should have sold the article (in Rs) to earn a profit of 50%?

When a number is increased by 38, it becomes 119% of itself. What is the number?

On dividing 24a2b2 by 6b2, we will get

Arrange the given words in the sequence in which they occur in the dictionary.
1. Waste
2. Wrong
3. Witty
4. Worcester
5. Warlike