Number Analogy Basic
Number Analogy Basic
NUMBER ANALOGY BASIC
We have to identify a rule or a logic between first two entities and the rule is applied on the third entity to find the fourth entity, or we can say that Analogy means correspondence. The various types of questions can be:
Example 1: 6 : 12 : : 25 : ?
(a) 30 (b) 50 (c) 55 (d) 70
Solution : (b) The relationship is 6 X 2= 12 so 25 X 2 = 50
Example 2: 343 : 7 : : 1331 : ?
(a) 12 (b) 24 (c) 11 (d) None of these
Solution : (c) The relationship is the cube of 7 is 343 and cube of 11 is 1331.
Example 3: Select the pair in which the numbers are similarly related as in the given pair: 12 : 144
(a) 22 : 464 (b) 20 : 400 (c) 15 : 135 (d) 10 : 140
Solution:(b) The relationship is So, square of 20 is 400
Example 4 : In each of the following questions, choose that set of numbers from the four alternative sets, that is similar to the given set. Given set : ( 6, 15, 28)
(a) (46, 56, 66) (b) ( 50, 59, 71) (c) (60, 67, 72) (d) ( 60, 69, 82)
Solution: (d) In each set, 2nd number = (1st number + 9) and 3rd number = (2nd number + 13)
Example 5: In each of the following questions, choose that set of numbers from the four alternative sets, that is similar to the given set. Given set : (1, 8, 27)
(a) (5, 12, 32) (b) (32, 39,, 59) (c) (60, 79, 86) (d) (64, 125, 216)
Solution: (d) Each set contains cubes of three consecutive natural numbers in order.
Example 6: In each of the following questions, choose that set of numbers from the four alternative sets, that is similar to the given set. Given set : (18, 8, 2)
(a) (3, 7, 1) (b) (11, 12, 10) (c) (17, 9, 3) (d) (24, 22, 4)
Solution: (d) Each set consists of even numbers only whose H.C.F. (Highest Common Factor )is 2.
Example 7: In each of the following questions, choose that set of numbers from the four alternative sets, that is similar to the given set. Given set : (223, 324, 425) (a) (225, 326, 437) (b) (451, 552, 636) (c) (554, 655, 756) (d) (623, 723, 823)
Solution: (c) In each set, 2nd number = (1st number + 101) and 3rd number = (2nd number + 101)
Choose the set off numbers from the four alternatives which is similar to the given set. Given set (10, 30, 70) | |||
| Right Option : A | |||
| View Explanation | |||
Choose the best alternative 26 : 5 : : 65 : ? | |||
| Right Option : C | |||
| View Explanation | |||
Choose the best alternative 42 : 56 : : 72 :? | |||
| Right Option : B | |||
| View Explanation | |||
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