Quantitative Aptitude - Arithmetic Ability Questions

5 year hence, ratio of ages of A and B will be 7 : 5 and difference between their ages will be 4 years. What are present ages (in years) of A and B
respectively?

A canteen requires 56 kgs of rice for seven days . The quantity of rice required for the months of April and May together is

What least value must be assigned to '*' so that the number 63576 * 2 is divisible by 8?

A fan is sold at a discount of 37.5%. If the marked price of the fan is Rs 7200, then what is the selling price (in Rs) of the fan?

What is the value of 64% of 75% of 8100?

If(x + y)2 = xy + 1 and x3 – y3 = 1, then what is the value of x – y?

x, y be two acute angles, x + y < 90° and sin(2x - 20°) = cos(2y + 20°), the value of tan(x + y) is

ΔPQR is right angled at Q. QS is the altitude. PQ is 2√13 cm and PS is 8 cm. What is the length of SR?