Quantitative Aptitude - Arithmetic Ability Questions

If a.sin 45°.cos 45°.tan60° = tan 245° ­ cos60° then find the value of a ?

Out of two numbers, 30% of the smaller number is equal to 18% of the larger number. If the sum of the two numbers is 840, then what is the value of the larger number?

In what ratio is the segment joining points (2, 3) and (-2, 1) divided by the Y-axis?

Reflection of the point (3,-6) in the y-axis is

If (cotAcotB - 1) / (cotB + cotA) = x, then the value of x is

Find out the odd word/letters/number pair from the given alternatives

In what time will Rs.4400 become Rs.4576 at 8% per annum interest compounded half-yearly?

In the following question, select the related number from the given alternatives.
 
47 : 57 : : 93 : ?