Quantitative Aptitude - Arithmetic Ability Questions

In the series 5442673314884743581,the number of 4s that are completely divisible by the number on their right but not divisible by the number on their left is

Sahil sold an item for Rs. 280 at a loss of 20%. The cost price of the item was

What is the simplified value of (cosec A + sin A)(cosec A – sin A)?

What is the reflection of the point (3, 2) in the line y = -2?

Simple interest on a sum of Rs 50200 for 3 months is Rs 1380.5. What is the rate (in percentage) of interest per annum?

The average age of 36 students in a group is 14 years. When the teacher's age is included in it, the average increases by one. The teacher's age in years is

What is the value of sin (–π/3) + cos(–π/6)?

What is the reflection of the point (-1 , 3) in the line x = -4?