Quantitative Aptitude - Arithmetic Ability Questions

Find the odd word/letters/number pair from the given alternatives

Select the odd word from the given alternatives.

A, B and C can do a job working alone in 6, 9 and 18 days respectively. They all work together for 1 day, then A and B quit. How many days C working alone will take to complete the remainder of the job?

The difference between the place values of 9 and 5 in the number 428693745 is

If cosec∅+sin∅cosec∅-sin∅=53 then the value of sin∅is equal to

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

If a+1b=1 and b+1c=1 , then the value of c+1a is

If x + 3y - 2z4 = 6, x + 232y + 3z = 33 and 17x + y +z + 2z =9, then what is the value of 46x+ 131y ?