Quantitative Aptitude - Arithmetic Ability Questions

In the following question, select the odd word pair from the given alternatives

If x=2+3,then the value of x2-x+1x2+x+1 is

Find the least number which must be subtracted from 18265 to make it a perfect square

What is the sum of all natural numbers between 100 and 400 which are divisible by 13?

A cylindrical vessel of radius 6 cm is partially filled with water. By how much will the water level rise if a sphere of radius 5 cm is completely immersed in this water? (Take π = 22/7)

Ankit runs 324 metres every day for his fitness. According to his daily routine in how many days he covers 8.1 km.

X alone can do a piece of work in 12 days and Y alone can do the same work in 6 days. In how many days will both together complete the same work?

A sum of Rs 400 becomes Rs 448 at simple interest in 2 years. In how many years will the sum of Rs 550 amounts to Rs 682 at the same rate?