Quantitative Aptitude - Arithmetic Ability Questions

What is that least number that must be added to the product 684 × 686 to make it a perfect square?

The addition of a rational number and its reciprocal is 61/30. Calculate the number.

For the data given below. find the sum of mode. median and mean.6, 3, 8, 4, 3, 11, 7, 4, 5, 4.

What is the value of cot 11π/6?

Simplify (b2x 3a2z4 ) × (b2x 4a4z3 )/(a3b2z4 )

If x + 3y - 2z4 = 6, x + 232y + 3z = 33 and 17x + y +z + 2z =9, then what is the value of 46x+ 131y ?

In the following question, four number pairs are given. The number on left side of (–) is related to the number of 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.

If 5/6th of 7/6th of a number is 140, then 9/4th of that number is