A circle touches all four sides of a quadrilateral. If AB = 18 cm, BC = 21 cm, and AD = 15 cm, then what is the length of CD?
Let length of CD = x When all four sides of a quadrilateral touch a circle, then the opposite sides of that quadrilateral are equal. Then -AD +BC = AB +CD 15 +21 = 18 + x 18 + x = 36 X = 18cm 
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 option that is related to the third number in the same way as the second number is related to first number and the sixth number is related t...
Select the set in which the numbers are related in the same way as are the numbers of the following sets.
(NOTE : Operations should be performed ...
Select the option in which the numbers are related in the same way as are the numbers in the given set.
(28, 343, 21)
Select the word pair in which the two words are related in the same way as the two words in the following word-pair.
Six : Hexagon
Select the option that is related to the third term in the same way as the second term is related to the first term.
CROW : DLIX :: MOST : ?
Select the option that is related to the fifth number in the same way as the second number is related to first number and the third number is related to...
If 32 @ 10 = 32 and 42 @ 30 = 76, then 28 @ 56 = '?'.
Select the related number from the given alternatives.
82: 160 :: 36: ?
Three of the following letter-clusters are alike in some manner and hence form a group. Which letter-cluster does not belong to that group?
