Quantitative Aptitude - Arithmetic Ability Questions

If x = 3+13, then the value of x-12642x-1x-233 is

Let O be the orthocentre of the triangle ABC. If ∠BOC = 150°, Then ∠BAC is

What is the simplified value of [(sec3x – tan3x)/(sec x – tan x)] – 2 tan2x – sec x tan x?

In a mixture, ink and water are in the ratio of 8 : 5. If 24 litres of water is added to the mixture, then the new ratio becomes 8 : 11. What is the total quantity (in litres) of water in the new mixture?

The reciprocal of the sum of the reciprocals of 2/9 and 7/10 is

An isosceles triangle ABC has sides AB = AC. If side BA is produced to D in such a manner that AC=AD. Then what will the measure of the angle BCD?

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

If 35% of A is equal to 60% of B, then what is the ratio of A and B?