Quantitative Aptitude - Arithmetic Ability Questions

Among four bags, average weight of last three bags is 18 kg and the average weight of first three bags is 19 kg. If the weight of last bag is 22 kg, then what is the weight (in kg) of first bag?

The mean of the data 3, 10, 10, 4, 7, 10, 5 is

What is the slope of the line perpendicular to the line passing through the points (­6,3) and (2,7)?

Find the value of p, if 2x -­ 4, 4x + p and 6x -­ 12 are in arithmetic progression.

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.

What is the sum of the first 12 terms of an arithmetic progression if the first term is -19 and last term is 36?

The 7th and 12th term of an arithmetic progression are -15 and 5 respectively. What is the 16th term?

If 2sec2x - tan2x = 5 and 0° ≤ x ≤ 90°, then x = ?