Quantitative Aptitude - Arithmetic Ability Questions

If P travelled the first half of a journey at 40 kmph and the the remaining distance at 50 kmph, what is the average speed of his travel?

A, B and C can do job in 9, 12 and 36 days respectively if they worked alone. A leaves after they have worked together for 3 days. In how many days can B and C do the rest of the job?

An angle is smaller than its supplementary angle by 70°. What is the measure of the angle?

If the number 583_437 is completely divisible by 9, then the smallest whole number in the place of the blank digit will be

What is the x-intercept of line joining (4, 2) and (6, 3)?

Sum of four times a fraction and 6 times its reciprocal is 11. What is the fraction?

P and Q can complete a task in 50 and 20 days respectively. In how many days can they complete 70% of the task if they work together?

A shopkeeper increases the price of an object by 40% and then sells it at 25% discount on the marked price. If the selling price of such an object be Rs. 2100, its cost price for the shopkeeper was ?