Quantitative Aptitude - Arithmetic Ability Questions

If 9x = 24311, then what is the value of x?

The S.P of a washing machine is 1 1/3 of its C.P. Find the gain percent.

Two mixtures have milk and water in the ratio 1 : 4 and 3 : 2 respectively. In what ratio two types of mixtures have to be mixed to get a new mixture having ratio of milk and water as 1 : 1?

If ax - 4y = -6 has a slope of -3/2. What is the value of a?

Find the sum of the measures all the exterior angles of a decagon.

Which of the numbers given below is NOT rational?

In the following question, four number pairs are given. The number on left side of (–) is related to the number on the right side of (–) with some Logic/Rule/Relation. Three are similar on basis of same Logic/Rule/Relation. Select the odd one out from the given alternatives.

What is the area of the square, if the length of its diagonal is 13√2 units?