X, Y and Z can do a piece of work in 90 days, 40 days and 120 days respectively. If they all work together alternatively starting with X, Y than Z respectively. Find the total time in which the total work will be completed.

Select the option in which the numbers share the same relationship in set as that shared by the numbers in the given set.

Select the related word/letters/number from the given alternatives.

GZO : LAT : : SVO : LEH : : NVE : ?

Select the related number from the given alternatives:

10 : ? :: 9 : 730

 What is related to Menu as Syllabus is related to Course?

In the following question, select the number which can be placed at the sign of question mark (?) from the given alternatives.

If 87 # 95 = 101 and 48 # 84 = 64, then 68 # 87 = ? 

16, 18, 39, 111, 489, 2451

Select the option in which the numbers are related in the same way as are the numbers in the given set.

(108, 115, 136)

Select the set in which the numbers are related in the same way as are the numbers of the following sets:

(7,11, 72)

(5, 8, 39)

By interchanging the given two signs which of the following equation will be not correct?

× and –