Quantitative Aptitude - Arithmetic Ability Questions

If 2cosec2A = x, then the value of x is

The least number that must be added to 8961 to make it exactly divisible by 84 is

A farmer's land is in the shape of a trapezium which has its parallel sides measuring 2.56 yards and 3.44 yards and the distance between the parallelsides in 1.44 yards. The cost of ploughing the land is Rs 1800 per square yard. What amount will (in Rs) have to be spent in order to plough the entire land?

O is the circumcentre of ΔABC. If AO = 8 cm, then the length of BO is

Roshan's current age is three years less than 1.5 times that of Usha's. 12 years ago Usha's age was three years more than half of Roshan's age. What is Roshan's present age in

The average of 100 items was found to be 30 . If at the time of calculation , two items were wrongly taken as 32 and 12 instead of 23 and 11 , then the correct average is

What is the simplified value of cosec 2A + cot 2A?

The length of a median of an equilateral triangle is 12√3 cms. Then the area of the triangle is