Quantitative Aptitude - Arithmetic Ability Questions

For triangle PQR, find equation of altitude PS if co­-ordinates of P, Q and R are (6,2), (0,3) and (­-4,5) respectively?

What is the value of sec 30° + cot 30°?

Select the odd number from the given alternatives.

The slopes of two lines are 1 and √3. What is the angle between these two lines?

The value of (2+32-3-342) is

What is the average of all numbers between 8 and 74 which are divisible by 7?

If cost price of 5 cars is equal to selling price of 4 cars. Find the percentage of profit or loss?

5% more is gained by selling a watch for Rs. 350 than by selling it for Rs. 340. The cost price of the watch is