16 and 64: These are squares of 4 and 8 and 8 - 4 = 4
49 and 169: These are squares of 7 and 13 and 13 - 7 = 6
36 and 100: These are squares of 6 and 10 and 10 - 6 = 4
25 and 81: These are squares of 5 and 9 and 9 - 5 = 4
Thus, the correct answer is (b) 49 - 169 is the odd one out.
English
100 Questions
100 Marks
90 Mins English English100 Questions100 Marks90 Mins English English100 Questions100 Marks90 Mins EnglishFour triads of numbers have been given out of which three are alike in some manner and one is different. Select the one that is different.
Three of the following four options are alike in a certain way and thus form a group. Which is the option that does NOT belong to that group?
Which roll number is a perfect cube?
Three of the following four are alike in a certain way and thus form a group. Which is the one that does NOT belong to that group?
NOTE: Operations should be performed on the whole numbers, without breaking down the numbers into its constituent digits. E.g. 13 - Operations on 13 such as adding/deleting/ multiplying etc. to 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is not allowed)
(A) 56-7
(B) 169-13
(C) 729-27
(D) 121-11
Three of the following number-pairs are alike in some manner and hence form a group.
Which number-pair does not belong to that group?
(NOTE: Operations should be performed on the whole numbers, without breaking down the numbers into its constituent digits. E.g. 13 - Operations on 13 such as adding/subtracting/ multiplying etc. to 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is not allowed.)
Four number-pairs are given, three follow a pattern. Choose the odd pair.
Suggested Test Series
Suggested Test Series
