Quantitative Aptitude - Arithmetic Ability Questions

If θ is acute angle and sin(θ+18°)= 1/2, then the value of θ in circular measure is

ΔDEF is right angled at E. If cosD = 8/17, then what is the value of secF ?

Simplify (533bxaz)/(41ab)

If 14.35 - (1.956 - x ) - 83.92 = 3.858 then what is the value of x?

The addition of a rational number and its reciprocal is 61/30. Calculate the number.

A table was sold at a profit of 10%. If its cost price was 5% less and it was sold for Rs. 7 more, the gain would have been 20%. Find the cost price of the table.

The sum of the ages of Rohit and Ankit is 78. Rohit's age is twice the age of Ankit. What is the age (in years) of Rohit?

If (cotA - cosecA)2 = x, then the value of x is