In a certain code, POETRY is written as QONDSQX and OVER is written as PNUDQ. |
How is MORE written in that code language? |
If Addition : O; Subtraction : M; Multiplication : A; Division : Q; Equal to : X; |
Greater than : Y; Less than : Z, then select the correct combination using given letter symbols. |
Study the following arrangement of symbols, letters and numbers to answer the question. |
Based on the positions in the above arrangement, if then |
Let a relation R? in the set R of real number be defined as \[(a,b)\in R'\] if and only if \[1+ab>0\] for all\[a,\,b\in R\text{ }\]. Which of the following options is correct for relation R |
Mr. Martin is holding a trivia contest. The 13 students who are participating randomly draw cards that are numbered with consecutive integers from 1 to 13. |
The student who draws number 1 will be the host. |
The students who draw the other odd numbers will be on the Red team. |
The students who draw the even numbers will be on the Blue team. |
One student has already drawn a card and is on the Blue team. If Kevin is the next student to draw a card, what is the probability that he will be on the Red team? |
Arjit being a party animal wants to hold as many parties as possible among his 20 friends. However, his father has warned him that he will be financing his parties under the following conditions only : |
The invitees have to be among his 20 best friends. |
He cannot call the same set of friends to a party more than once. |
The number of invitees to every party have to be the same. |
Given these constraints, Arjit wants to hold the maximum number of parties. How many friends should he invite to each party? |
Three Englishmen and three Frenchmen work for the same company. Each of them knows a secret not known to others. They need to exchange these secrets over person-to-person phone calls so that eventually each person knows all six secrets. |
None of the Frenchmen knows English and only one Englishman knows French. What is the minimum number of phone calls needed for the above purpose? |
A husband and a wife appear in an interview for two vacancies for the same post. |
The probability of husband's selection is 1/7 and that of the wife's selection is 1/5. |
What is the probability that at least one of them will be selected? |
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