List of top Quantitative Aptitude Questions asked in IBSAT

Shyam has a square piece of paper of length 15 m. He put four circles on the edges of the square such that the edges of the square are centres of the circles and they touch each other at the midpoint of their respective sides. What is the area of the square which is not covered by the four circles (approx.)?

Simplify the expression \(\frac{\sqrt{\frac{1 - \sin \theta}{1 + \sin \theta}}}{\sqrt{\frac{1 + \cos \theta}{1 - \cos \theta}}} + \frac{\sqrt{\frac{1 + \sin \theta}{1 - \sin \theta}}}{\sqrt{\frac{1 - \cos \theta}{1 + \cos \theta}}}\)

Sugar worth 15 per kg and 16 per kg is mixed with a third variety of some other cost in the ratio 1 : 1 : 2. If the mixture is of worth 20 per kg, what would be the cost of the third variety of sugar per kg?