Quantitative Aptitude - Arithmetic Ability Questions

If ΔABC is an equilateral triangle of side 16 cm, then the length of altitude is

Shivam is 10% less efficient than Vivek. If Vivek can make a helmet in 9 days, then in how many days Shivam can complete the same work?

Find the odd word/letters/numbers pair from the given alternatives.

If (x – 2)2 + (y + 3)2 + (z – 15)2 = 0, then what is the value of x + y + z – 5?

If cos 135° = x, then the value of x is

Find the value of 532+108

The radius of the circle is 14 cm, an arc is subtend an angle 54 degree at center. Find the length of the arc (in cm).

If cosA/(1 - sinA) = x, then the value of x is