Quantitative Aptitude - Arithmetic Ability Questions

Deepinder lent Rs 8200 to Jairaj for 16 years and Rs 4900 to Karna for 15 years on simple interest at the same rate of interest and received Rs 19446.5 in all from both of them as interest. The rate of interest per annum is:

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

Rearrange the jumbled up letters in their natural sequence ad find the odd one out.

The sum of 2xy(3x + 4y - 5z) and 5yz(2x - 3y) is

How many numbers divisible by 125 can be written by using all the digits 2,3,8,7,5 exactly once?

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

The traffic lights at four different road crossings change after every 15 sec, 18 sec, 27 sec and 30 sec respectively. If they all change simultaneously at 6:10:00 hours, then at what time will they again change simultaneously?

Point P (8 , 5) is the midpoint of segment AB. Co-ordinates of A are (5, y) and B are (x, -3). What is the value of x?