Quantitative Aptitude - Arithmetic Ability Questions

Expanded and simplification of (x + 3)(x - 1) will be equal to

The ratio of two numbers is 5 : 6. If their product is 1470, then what is the sum of both the numbers?

The circumference of a circle is 110 cm. Find its radius (in cm).

The simplified value of 3-212-18 - 13 × 27 - 12 x 273 is closest to

A trader buys 500 kgs of cotton for Rs 9,000. 10% of this cotton is spoiled due to rain. At what rate (Rs/Kg) should he sell the rest to earn 10% profit?

Cost price of an article is Rs 360. If the profit percentage is 32%, then what is the value (in Rs) of profit?

One-third of Poojitha's age three years ago plus one-half of her age two years from now is twenty years. How old is she now?

1/3 part of a certain journey is covered with the speed of 25 km/hr, 1/2 part of the journey is covered with the speed of 45 km/hr and the remaining part covered with the speed of 37.5 km/hr. What is the average speed (in km/hr) for the whole journey?