Quantitative Aptitude - Arithmetic Ability Questions

A and B have their annual average income Rs. 80,000.
B and C have their annual average income Rs. 75,000.
C and A have their annual average income Rs. 78,000.

The annual income of A is ?

If 1/√(1+tan2A) = x, then value of x is

If sinC + sinD =X, then the value of X is?

If x = 1 + √2 + √3, then the value of x2-2x-4=0

Two men are on opposite sides of a tower. They measure the angles of elevation of the top of the tower as 30 ̊ and 45 ̊ respectively. If the height of the tower is 50 m, the distance between the two men is (Take √3 = 1.73)

If the ratio of marked price and selling price is 11 : 10, then what is the discount percentage?

Select the odd number from the given alternatives.

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