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Recent questions tagged counting

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1
GATE2017-64
There are $3$ Indians and $3$ Chinese in a group of $6$ people. How many subgroups of this group can we choose so that every subgroup has at least one Indian? $56$ $52$ $48$ $44$
Milicevic3306 asked in Quantitative Aptitude Mar 26, 2018
by Milicevic3306
7.9k points
  • gate2017
  • numerical-ability
  • counting
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2
GATE2018-GA-8
To pass a test, a candidate needs to answer at least $2$ out of $3$ questions correctly. A total of $6,30,000$ candidates appeared for the test. Question A was correctly answered by $3,30,000$ candidates. Question B was answered correctly by $2,50,000$ candidates. ... the number answering none, how many candidates failed to clear the test? $30,000$ $2,70,000$ $3,90,000$ $4,20,000$
gatecse asked in Quantitative Aptitude Feb 20, 2018
by gatecse
1.4k points
  • gate2018
  • numerical-ability
  • counting
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3
GATE2018-GA-7
A set of $4$ parallel lines intersect with another set of $5$ parallel lines. How many parallelograms are formed? $2$0$ $48$ $60$ $72$
gatecse asked in Quantitative Aptitude Feb 20, 2018
by gatecse
1.4k points
  • gate2018
  • numerical-ability
  • counting
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