Quantitative Aptitude - Arithmetic Ability Questions

What is the sum of the first 12 terms of an arithmetic progression if the 3rd term is -13 and the 6th term is -4?

The length of the base of an isosceles triangle is 2x­2y+4z, and its perimeter is 4x­2y+6z. Then the length of each of the equal sides is

28% of a number is 35. What is the number?

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

In a bag, the ratio of red balls to green balls is 4:9. If 7 more red balls are added to the bag, the ratio of red balls to green balls will become 5:6. How many green balls are there in the bag?

In a rectangle _____.

If P + 1P+2 = 1, then the value of P+23+1P+23-3 ?

What is the value of 13×7+17×11+111×15+...+1899×903 ?