Quantitative Aptitude - Arithmetic Ability Questions

Which of the following is equivalent to 0.565656...?

Two fractions are such that their product is ­9/10 and sum is ­13/40. What are the two fractions.

Which of the following numbers is divisible by 9?

Which is the correct ascending order of the given numbers?

A shop keeper purchased 15 kg of sugar and 20 kg of wheat at Rs. 50 and Rs. 75 per kg respectively. On selling them, he gained 10% on sugar and 20% on wheat. What was the total sale vale?

In what ratio is the segment joining (-1,-12) and (3,4) divided by the x-axis?

If tanα = 2 - 1, then the value of  tanα - cotα = ?

In the following question, four groups of three numbers are given. In each group the second and third number are related to the first number by a Logic/Rule/Relation. Three are similar on basis of same Logic/Rule/Relation. Select the odd one out from the given alternatives.