Paper 1 · Mathematical Reasoning and Aptitude
UGC NET December 2021 June 2022 (12.07.2022) Shift-II
A group of 3 inter-related numbers is given as (6, 10, 16). By tracing the relationship among the numbers, choose another group with a similar relationship from the given alternatives.
A(9, 13, 18)
B(6, 11, 15)
C(5, 10, 18)
D(7, 11, 17) ✓ Correct
Correct answer: (D) (7, 11, 17) — The answer is 7, 11 and 17.
Explanation
★The answer is 7, 11 and 17.
★In 6, 10, 16 the first number rises by 4 to give the second and by a further 6 to give the third.
★So the gaps are 4 and then 6.
★In 7, 11, 17 the first rises by 4 to 11 and by 6 to 17.
★So this group follows the same gaps of 4 and 6.
★The other groups do not fit both gaps.
★So the answer is 7, 11 and 17.
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