Quantitative Aptitude - Arithmetic Ability Questions

If Gaganjyot's salary is 7/6 times of Hafiz's and Sayed's is 8/7 times of Hafiz's, what is the ratio of Gaganjyot's salary to Sayed's.

A car travels a certain distance at 70 km/h and comes back at 30 km/h. Find the average speed for total journey.

S does half as much work as T in 1/7 of the time taken by T. If together they take 21 days to complete a work, then how may days shall S take to complete that work alone?

If 5 person together can make 5 mats in 5 hrs, then 10 person in 10 hours will make

An object travels 23 m in 3 s and then another 15 m in 2 s. What is the average speed of the object?

A  field  can  be  reaped  by  12  men  or  18  women  in  14  days.  In  how  many  days  can  8  men  and  16 women reap it?

The shopkeepers announce the same price of Rs. 700 for a sewing machine. The first offers successive discounts of 30% and 6% while the second offers successive discounts of 20% and 16%. The difference in their selling price is

If a3+ b3 = 19 and a + b = 1, then what is the value of ab?