Quantitative Aptitude - Arithmetic Ability Questions

select the odd word/letters/number/number pair from the given alternatives.

If 5x + 4(1 -­ x) > 3x - ­4 > 5x/3 -­ x/3; then x can take which of the following values?

Mohan starts to calculate sum of all odd natural number less than 83. What result does he get?

At what point does the line 2x - 3y = 6 cuts the Y axis?

What is the simplified value of 1cosec A + cot A2 ?

The diagonal of a square is 10 cm. What is the length (in cm) of its side?

A factory buys 8 machines. 3 Machine­A, 4 Machine­B and rest Machine­C. Prices of the machines are Rs 45000, Rs 25000 and Rs 35000 respectively. Calculate the average cost (in Rs) of these machines?

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.