Quantitative Aptitude - Arithmetic Ability Questions

A square park having a side 22 m has two roads each 2 m wide running in the middle of it and parallel to its length and breadth. What will be the cost of gravelling the path at the rate of Rs.100/sq.m?

The rate of discount on an article whose marked price is Rs. 170 and selling price is Rs. 130?

A kite is flying at a height of 50m. If the length of string is 100 m then the inclination of string to the horizontal ground in degree measures is

In the following question, select the odd word pair from the given alternatives.

Which of the following pairs is NOT a pair of twin primes?

The line passing through (4,3) and (y,0) is parallel to the line passing through (­-1,-­2) and (3,0). Find y?

If sin 30° + cos 45° = X, then the value of X.

An equal sum is invested in two different schemes. One scheme gives simple interest and the other gives compound interest (annual compounding). The total interest obtained after 2 years from both the schemes together is Rs 2090. If both the schemes have 18% per annum interest rate, then what is the first year interest (in Rs) of simple interest scheme?