Quantitative Aptitude - Arithmetic Ability Questions

If a+b-62+a2b2+1+2b=2ab+2a, then the value of a is 

What least value must be assigned to '*' so that the number 63576 * 2 is divisible by 8?

If X=32, then the value of 27x3-54x2+36x-11 is

In 250 litres mixture of soda and water the ratio of amount of soda to that of water is 7 : 18. In order to make this ratio 2 : 3, how many more litres of soda should be added?

Two labourers A and B are paid a total of Rs. 1120 per day. If A is paid 180 percent of what is paid to B, how much (in Rs) is B paid?

If Cot θ = 24/7, then what is the value of Sec θ?

Find the odd one out.

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