Quantitative Aptitude - Arithmetic Ability Questions

∆XYZ is right angled at Y. If tanX = 24/7, then what is the value of cotZ ?

Pranita got 30 marks more in Math than what she got in Science. Her Math marks are 60% of the sum of her Math and Science marks. What are her Science marks?

What is the simplified value of Sec ACot A + Tan A2 ?

The average age of a class of 6 girls is x years. Four new girls having ages x – 2, x + 2, x + 4 and x + 6 joins the class. What is the new average age (in years) of the class?

Sum of lengths of all edges of a cube is 84 cm, find its volume?

Three categories of employees get wages in the ratio of 1 : 2 : 3. If they get increments of 5%, 10% and 15% respectively, what will be the new ratio of their wages?

In the given figure, PQRS is a quadrilateral. If QR = 18 cmand PS = 9 cm,then what is the area (in sq. cm) of quadrilateral PQRS?

If x3+ 2x2– 5x + k is divisible by x + 1, then what is the value of k?