Quantitative Aptitude - Arithmetic Ability Questions

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 value of 1+aa1/2+a-1/2-a1/2+a-1/21+a+a-1/2 ?

Sum of twice a fraction and its reciprocal is 17/6. What is the fraction?

If Sin x = 4/5, then Cosec x + Cot x =

If 3/4 of the weight of a brick is 7/8 kg, then 5/7 of the weight of the brick will be

What is the value of 10.2+10.02+10.002+... upto 9 terms

In the given figure, PQR is a triangle and quadrilateral ABCD is inscribed in it. QD = 2 cm, QC = 5 cm, CR = 3 cm, BR = 4 cm, PB = 6 cm, PA = 5 cm and AD = 3 cm. What is the area in sq.cm of the quadrilateral ABCD?

The length of a median of an equilateral triangle is 12√3 cms. Then the area of the triangle is