Quantitative Aptitude - Arithmetic Ability Questions

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

At what point does the line 2x + 5y = -6 cuts the X-axis?

The angle of elevation of the top of a tower, vertically erected in the middle of a paddy field, from two points on a horizontal line through the foot of the tower are given to be α and β (α>β). The height of the tower is h unit. A possible distance (in the same unit) between the points is

What is the value of Sin 30° + 2 Cos 30° ?

Ram Naresh got two successive discounts, a bag with a list price of Rs.400 is available at Rs. 160. If the second discount is 20%, find the first discount.

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

A shopkeeper, sold dried apricots at the rate Rs 1,310 a kg and bears a loss of 13%. Now if he decides to sell it at Rs 1,441 per kg, what will be the result?

The sum of a fraction and 10 times its reciprocal is 37/4. What is the fraction?