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Recent questions tagged counting

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GATE Chemical 2026 | GA | Question: 4
How many $3$-digit numbers can be formed using three distinct single digit prime numbers?$64$$24$$12$$4$
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GATE Chemical 2024 | GA | Question: 7
​​​​​Three distinct sets of indistinguishable twins are to be seated at a circular table that has $8$ identical chairs. Unique seating arrangements are defined by the rel...
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GATE Chemical 2012 | Question: 4
A box containing $10$ identical components has $6$ red balls and $2$ blue balls. If each compartment can hold only one ball, then the number of different possible arrange...
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GATE Chemical 2018 | GA | Question: 7
A set of $4$ parallel lines intersect with another set of $5$ parallel lines. How many parallelograms are formed?$20$$48$$60$$72$
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GATE Chemical 2018 | GA | Question: 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 correctl...
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