Quantitative Aptitude - Arithmetic Ability Questions

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

If (1 + sinA)/cosA + cosA/(1 + sinA) = x, then the value of x is

The value of k, for which the quadratic equation 4x2 + 4√3x + k = 0 has equal roots is

What is the value of Cot 45° + Cosec 60°?

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.

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.

A factory buys 10 machines. 2 Machine­A, 3 Machine­B and rest Machine­C. Prices of the machines are Rs 95000, Rs 60000 and Rs 50000 respectively. What is the average cost of these machines?