Quantitative Aptitude - Arithmetic Ability Questions

If sin π/6 + sec π/6 = x, then x is

The diagonal of a cube is 192 cm. Its volume in cm3 will be 

If X+Y=3,XY=2, find the value of X3-Y3

In an exam, the avarage marks obtained by John in English, Maths, Hindi and Drawing were 50. His average marks in Maths, Science, Social Studies and Craft were 70. If the average marks in all seven subjects is 58, his score in maths was

A sells vegetables at a profit of 35% and for weighing uses a weight which is 10% less than the article weight. What is total profit percentage?

Due to increase of k% in the side, the area of a square increases by 69%. What is the value of k?

19 personswentto a hotel for a combineddinner party. 13 of them spent Rs 79 each on their dinner and the rest spent Rs 4 more than the average expenditure of all the 19. What was the total money spent by them?

A man starts moving from a place A and reaches the place B in 26 hours. He covers 1/3rd of the distance at the speed of 4 km/hr and covers the remaining distance at the speed of 5 km/hr. What is the distance (in km) between A and B?