Quantitative Aptitude - Arithmetic Ability Questions

A shop keeper purchased 10 kg of rice and 20 kg of sugar at Rs. 75 and Rs. 85 per kg respectively. On selling, he gained 20% on rice and 10% on sugar. What was the total sale price?

If (a+1a)2=3,then the value of a6-1a6 will be

A man has some hens and some cows. If the total number of heads of hens and cows together is 50 and the nunber of feet of hens and cows together is 142, then the number of cows is

Consider the two similar triangles ABC and DEF. Which of the following is correct about the ratio of the area of the triangle ABC and DEF?

If the angles of a triangle are in the ratio of 2 : 3 : 7, then find the ratio of the greatest angle to the smallest angle.

If 3x + 2 ≥ x - ­1 and 2x -­ 4 ≤ 2 - ­x/3; then x can take which of the following values?

The average of 12 numbers is 9. If each number is multiplied by 2 and added to 3, the average of the new set of numbers is

A train is moving at the speed of 36 km/hr. How many seconds it will take to cover a distance of 600 meters?