Alphabet Number Series Quiz Set 230 | Mental Ability Tests on 'Alphabet and Number Sequences and Series' Set 230 | free questions for competitive exams for banks, PO exams, NDA, CAT, CDS, ITBP, Civil, Defence Services and National Talent Search Exams, UGC NET, GATE, CSAT

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Question 1

In the number series written below, how many 6 are there that are completely divisible by both the two successors to their right?

9 2 8 4 7 2 3 7 6 6 6 9 6 9 8 8 6 7 2

Soln.
Ans: a

At these locations: 6-6-6 ;

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Question 2

If an item is at position 9 from the top of a list and at position 8 from the bottom of that list, how many items are there in the list?

Soln.
Ans: a

Sum of positions of an item from top and bottom of a list is always equal to the sum of the positions of the first and last items. So total number of items is= position of last item is= 9 + 8 - 1 = 16.

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Question 3

If an item is at position 17 from the top of a list and at position 9 from the bottom of that list, how many items are there in the list?

Soln.
Ans: a

Sum of positions of an item from top and bottom of a list is always equal to the sum of the positions of the first and last items. So total number of items is= position of last item is= 17 + 9 - 1 = 25.

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