Quantitative Aptitude - Arithmetic Ability Questions

24 men can repair a road in 50 days. If they are joined by 16 more men, then in how much time (in days) the road can be repaired?

If 27N4 is divisible by 11, then what is the value of N?

To travel 648 km, an Express train takes 12 hours more than Rajdhani. If however, the speed of the Express train is doubled, it takes 6 hours less than Rajdhani. The speed of Rajdhani is _____.

In the given figure, PQRS is a square and SRT is an equilateral triangle. What is the value (in degrees) of angle SOR?

Point Q(-1,b) is the midpoint of segment EF. Co-ordinates of point E are (-4,a) and point F are (2,0). What is the value of a and b?

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

If x = 2+32-3, then what is the value of x2+x-9 ?

If 7A = 5B = 2C; find A : B : C.