Quantitative Aptitude - Arithmetic Ability Questions

In what ratio sugar of Rs 38 per kg and Rs 30 per kg be mixed with each other so that on selling mixture at Rs 35.2 per kg there will be a profit of 10%?

Rs. 750 invested for 3 months gave an interest of Rs. 18. What was the simple rate of interest per annum?

One number is 25% of another number. The larger number is 12 more than the smaller. The large number is

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?

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 HCF (highest common factor) of 57 and 513?

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

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