Quantitative Aptitude - Arithmetic Ability Questions

The average (arithmetic mean) amount of savings of ten students is Rs. 600. Three of the students have no savings at all and each of the others have at least Rs. 250 including Nihar, who has exactly Rs. 1300. The largest amount, in Rs., that any one student could have is

If  tan2A / (secA -­ 1)2 = x, then the value of x is

If 3x + 4y – 11 = 18 and 8x – 6y + 12 = 6, then what is the value of 5x – 3y – 9?

Δ LMN is right angled at M. If m∠N = 60 deg., then Tan L =______.

What is the slope of the line, parallel to the line 3x -­ 6y = 4?

If tanA -­ tanB = X, then the value of X is

If a + b = 5 and ab = 6, then what is the value of a3 + b3?

 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 aLogic/Rule/Relation. Three are similar on basis of same Logic/Rule/Relation. Select the odd one out from the given alternatives