Quantitative Aptitude - Arithmetic Ability Questions

What is the slope of the line 2x - 5y = 12?

In the following question, select the odd number from the given alternatives.

A shopkeeper marks up his wares by 60% and offers 25% discount. What will be the selling price (in Rs) if the cost price is Rs 1600?

If a+1b = 1 and b+1c = 1 then c+1a = ?

What is the difference (in Rs) between the compound interests on Rs. 1000 for 1 year at 10% per annum compounded yearly and half-yearly?

ΔXYZ is similar to ΔPQR. If ratio of Perimeter of ΔXYZ and Perimeter of ΔPQR is 4:9 and if PQ = 27 cm, then what is the length of XY (in cm)?

1/3 part of a certain journey is covered with the speed of 25 km/hr, 1/2 part of the journey is covered with the speed of 45 km/hr and the remaining part covered with the speed of 37.5 km/hr. What is the average speed (in km/hr) for the whole journey?

A can do a work in 24 days and B in 40 days. If they work on it together for 10 days, then what fraction of work is left?