# Recent questions tagged logical-reasoning

1 vote
If $\bigoplus \div \bigodot =2;\: \bigoplus \div\Delta =3;\:\bigodot +\Delta =5; \:\Delta \times \bigotimes =10$, Then, the value of $\left ( \bigotimes - \bigoplus \right )^{2}$, is : $0$ $1$ $4$ $16$
1 vote
Given below are two statements $1$ and $2$, and two conclusions $\text{I}$ and $\text{II}$. $\text{Statement 1}:$ All entrepreneurs are wealthy. $\text{Statement 2}:$ All wealthy are risk seekers. $\text{Conclusion I}:$ ... $\text{I}$ nor $\text{II}$ is correct Both conclusions $\text{I}$ and $\text{II}$ are correct
1 vote
If $\left\{\begin{matrix} “ \oplus” \; \text{means}\; “-” \\ “ \otimes” \; \text{means}\; “\div” \\ “ \triangle” \; \text{means}\; “+” \\ “ \triangledown” \; \text{means}\; “\times” \end{matrix}\right.$ then, the value of the expression $\triangle 2 \oplus 3 \triangle \left((4 \otimes 2) \triangledown 4) \right) =$ $-1$ $-0.5$ $6$ $7$
1 vote
Find the missing element in the following figure. $d$ $e$ $w$ $y$
1 vote
$P, Q, R$ and $S$ are to be uniquely coded using $\alpha$ and $\beta$. If $P$ is coded as $\alpha \alpha$ and $Q$ as $\alpha \beta$ , then $R$ and $S$, respectively, can be coded as ________. $\beta \alpha \:\text{and}\:\alpha \beta$ $\beta \beta \:\text{and}\:\alpha \alpha$ $\alpha \beta\:\text{and}\:\beta \beta$ $\beta\alpha \:\text{and}\:\beta \beta$
If IMHO=JNIP; IDK=JEL; and SO=TP, then IDC=______ JDE JED JDC JCD
1 vote
Given the sequence of terms, AD CG FK JP, the next terms is OV OW PV PW
A house has a number which need to be identified. The following three statements are given that can help in identifying the house number? If the house number is a multiple of $3$, then it is a number from $50$ to $59$. If the house number is NOT a multiple of $4$, then it is a number ... is NOT a multiple of $6$, then it is a number from $70$ to $79$. What is the house number? $54$ $65$ $66$ $76$
Find the missing group of letters in the following series: BC, FCH, LMNO, ______ UVWXY TUVWX STUVW RSTUV
Consider the following three statements: Some roses are red. All red flowers fade quickly. some roses fade quickly. Which of the following statements can be logically inferred from the above statements? If (i) is true and (ii) is false, then (iii) is false. If (i) is true and (ii) is false, ... is true. If (i) and (ii) are true, then (iii) is true. If (i) and (ii) are false, then (iii) is false.
All people in a certain island are either 'Knights' or 'Knaves' and each person knows every other person's identity. Knights never lie, and Knaves ALWAYS lie. $P$ says "Both of us are Knights". $Q$ says "None of us are Knaves". Which one of the following can be logically inferred from ... $P$ is a knight; $Q$ is a Knave. Both $P$ and $Q$ are Knaves. The identities of $P, Q$ cannot be determined.
$P$ looks at $Q$ while $Q$ looks at $R$. $P$ is married, $R$ is not. The number of pairs of people in which a married person is looking at an unmarried person is $0$ $1$ $2$ Cannot be determined.
What is the sum of the missing digits in the subtraction problem below? $\begin{array}{llllll} {} &5 & \text{_} & \text{_} & \text{_} & \text{_} \\ – &4 & 8 & \text{_}& 8 & 9 \\ \hline & & 1 & 1 &1 &1 \end{array}$ $8$ $10$ $11$ Cannot be determined.
$P$, $Q$ and $R$ talk about $S's$ car collection. $P$ states that $S$ has at least $3$ cars. $Q$ believes that $S$ has less than $3$ cars. $R$ indicates that to its knowledge, $S$ has at least one car. Only one of $P, Q$ and $R$ is right. The number of cars owned by $S$ is. $0$ $1$ $3$ Cannot be determined.
Given $(9 \text{ inches})^{1/2}=(0.25 \text{ yards})^{1/2}$, which one of the following statements is TRUE? $3$ inches $= 0.5$ yards $9$ inches $= 1.5$ yards $9$ inches $= 0.25$ yards $81$ inches $= 0.0625$ yards
Fact: If it rains, then the field is wet. Read the following statements: It rains The field is not wet The field is wet It did not rain Which one of the options given below is NOT logically possible, based on the given fact? If $(iii)$, then $(iv)$. If $(i)$, then $(iii)$. If $(i)$, then $(ii)$. If $(ii)$, then $(iv)$.
Find the missing sequence in the letter series. B, FH, LNP, _ _ _ _. SUWY TUVW TVXZ TWXZ
A smart city integrates all modes of transport, uses clean energy and promotes sustainable use of resources. It also uses technology to ensure safety and security of the city, something which critics argue, will lead to a surveillance state. Which of the following can be logically inferred from the above ... promote surveillance. $(i)$ and $(iv)$ only $(ii)$ and $(iii)$ only $(iv)$ only $(i)$ only
Students taking an exam are divided into two groups, P and Q such that each group has the same number of students. The performance of each of the students in a test was evaluated out of $200$ marks. It was observed that the mean of group P was $105$, while that of ... Most students of group Q scored marks in a narrower range than students in group P. The median of the marks of group P is $100$.
Leela is older than her cousin Pavithra. Pavithra's brother Shiva is older than Leela. When Pavithra and Shiva are visiting Leela, all three like to play chess. Pavithra wins more often than Leela does. Which one of the following statements must be TRUE based on the ... loses. Leela is the oldest of the three. Shiva is a better chess player than Pavithra. Pavithra is the youngest of the three.
Given below are two statements followed by two conclusions. Assuming these statements to be true, decide which one logically follows: Statements: No manager is a leader. All leaders are executives. Conclusions: No manager is an executive. No executive is a manager. Only conclusion I follows Only conclusion II follows Neither conclusion I nor II follows Both conclusion I and II follows
Tanya is older than Eric. Cliff is older than Tanya. Eric is older than Cliff. If the first two statements are true ,then the third statement is : True False Uncertain Data insufficient
Find the missing sequence in letter series below: A, CD, DHI, ?, UVWXY LMN MNO MNOP NOPQ
Ms.X will be in Bagdogra from $01/05/2014$ to $20/05/2014$ and from $22/05/2014$ to $31/05/2014$.On the morning of $21/5/2104$, she will reach Kochi via Mumbai. Which of the statement below is logically valid and can be inferred from the above sentence? Ms.X will be in ... only one day,only in May. Ms.X will be only in Kochi for one day,only in May. Only Ms.X will be in Kochi for one day in May.
Given below are two statements followed by two conclusions.Assuming these statements to be true,decide which one logically follows Statements: All film stars are playback singers. All film directors are film stars Conclusions: All film directors are playback ... director Only conclusion I follows Only conclusion II follows Neither conclusion I nor II follows both conclusion I nor II follows
If ‘KCLFTSB’ stands for ‘best of luck’ and ‘SHSWDG’ stands for ‘good wishes’, which of the following indicates ‘ace the exam’? MCHTX MXHTC XMHCT XMHTC
Find the next term in the sequence: $13M, 17Q, 19S$, ___ $21W$ $21V$ $23W$ $23V$
In which of the following options will the expression $P < M$ be definitely true? $M < R > P > S$ $M > S < P < F$ $Q < M < F = P$ $P = A < R < M$
Find the next term in the sequence: $7G, 11K, 13M$,____ $15Q$ $17Q$ $15P$ $17P$
The next term in the series $81, 54, 36, 24,\ldots$ is ________
Find the odd one in the following group: $\begin{array}{llll} Q,W,Z,B & B,H,K,M & W,C,G,J & M,S,V,X \end{array}$ $Q,W,Z,B$ $B,H,K,M$ $W,C,G,J$ $M,S,V,X$
Fill in the missing number in the series. $2$ $3$ $6$ $15$ __________ $157.5$ $630$
For submitting tax returns, all resident males with annual income below $Rs$ $10$ lakh should fill up Form $P$ and all resident females with income below $Rs$ $8$ lakh should fill up Form $Q$. All people with incomes above $Rs$ $10$ lakh should fill up Form $R$, except ... $Rs$ $9$ lakh a non-resident male with annual income $Rs$ $16$ lakh a non-resident female with annual income $Rs$ $16$ lakh
Find the odd one from the following group: $\begin{array}{llll} W,E,K,O & I,Q,W,A & F,N,T,X & N,V,B,D \end{array}$ $W,E,K,O$ $I,Q,W,A$ $F,N,T,X$ $N,V,B,D$
What is the next number in the series? $12$ $35$ $81$ $173$ $357$ ____,
What will be the maximum sum of $44, 42, 40, \ldots \;?$ $502$ $504$ $506$ $500$