Quantitative Aptitude - Arithmetic Ability Questions

The mode of the data 12, 1, 10, 1, 9, 3, 4, 9, 7, 9 is

If 20 men working 8 hours per day can complete a piece of work in 21 days. How many hours per day must 48 men work to complete the same job in 7 days?

What should be the missing digit so that the number 275_476 becomes exactly divisible by 11?

What least number must be subtracted from 518, so that the sum is completely divisible by 13?

The co-ordinates of the centroid of a triangle ABC are (1 , -4). What are the co-ordinates of vertex C if co-ordinates of A and B are (3 , -4) and (0 , 5) respectively?

ΔDEF is right angled at E. If secD = 25/7, then what is the value of cosecF ?

Select the odd word/letters/number/number pair from the given alternatives.

Find the HCF of 1757, 2259.