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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 on the whole numbers, without breaking down the numbers into its constituent digits. E.g. 13 тАУ 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.) (7,28,56)(9,36,72)
(13,50,104)
(13,52,104)
(11,52,104)
(13,52,94)
(13,52,104)
Identify the relationship: the second number is the first number multiplied by 4, and the third number is the second number multiplied by 2.
Identify the relationship: the second number is the first number multiplied by 4, and the third number is the second number multiplied by 2.
Analyze the first set (7, 28, 56)
7 * 4 = 28. Then, 28 * 2 = 56. The pattern is (x, x4, (x4)*2).
Analyze the second set (9, 36, 72)
9 * 4 = 36. Then, 36 * 2 = 72. This confirms the pattern (x, x4, x8) is consistent.
Evaluate the options
Check which option follows (x, x4, x8): A) (13, 50, 104) is wrong (134=52, not 50). B) (13, 52, 104) is 134=52 and 522=104. C) (11, 52, 104) is wrong (114=44, not 52). D) (13, 52, 94) is wrong (52*2=104, not 94).
A: 134 is 52, not 50; C: 114 is 44, not 52; D: 52*2 is 104, not 94.
B is correct because the set (13, 52, 104) follows the identified pattern: 13 * 4 = 52 and 52 * 2 = 104.
When faced with number sets, always check for multiplication relationships before addition or subtraction, as they are common in speed tests.
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