Quantitative Aptitude - Arithmetic Ability Questions

If a person has sold an article for Rs. 1300 and made a profit of 30%, find the cost price of the article.

Sound travels at 330 metres per second. The distance (in kilometres) of a thunder cloud when its sound follows the flash after 10 seconds

A solid cone of height 24 cm and radius of its base 8 cm is melted to form a solid cylinder of radius 6 cm and height 6 cm. In the whole process what
percent of material is wasted?

The average marks obtained in a class of 50 students is 70%. The average of first 25 is 60% and that of 24 is 80%. What is the marks obtained by the last student?

Find the radius of the circle if the area of its sector is 30.8 sq cm whose corresponding central angle is 72°?

The marked price of a shirt is Rs 1280. If the shirt is being sold for Rs 900, then what is the discount percentage?

A box of sweets was distributed between A and B in the ratio 3 :4. If A got 36 sweets , what was the total no.of sweets

The sum of length, breadth and height of a cuboid is 22 cm and the length of its diagonal is 14 cm.
If S is sum of the cubes of the dimensions of the cuboid and V is its volume, then what is (S-3V) equal to?