1. Classification type problems: This kind comprises of problems in which certain things having a place with various gatherings or handling diverse qualities are given alongside some hints with the assistance of which the applicant is required to group and examine the given things and answer the problems accordingly.
2. Seating/Placing arrangements: In this kind of problems, some hints of information with respect to seating or setting arrangement (straight or round) of a few persons or things is given. The applicant is required to shape the best possible grouping using these hints and answer the given problems respectively.
3. Comparison type problems: In such kind of problems, hints of information are given in regards to correlations among an arrangement of persons or things as for one or more qualities. The competitor is required to examine the entire data, shape a paper climbing/plunging grouping and after that answer the given problems accordingly.
4. Sequential Order of things: In this sort of problems, some hints are given with respect to the request of event of specific occasions. The competitor is required to examine the given data, outline the right grouping and after that answer the problems correspondingly.
5. Selection based on given conditions: In such kind of problems, a couple of crucial criteria for determination of a gathering of things are given. The competitor needs to remember these conditions and make the required choice according to the headings given in every problem.
6. Family-based questions: In this kind of problems, some hints are given in regards to relationship among various individuals from a family, together with their professions, qualities, dresses, preferences and so on. The applicant is required to examine the entire data and after that answer the given problems accordingly.
7. Jumbled questions: This kind contains riddles which at the primary look appear to be excessively troublesome, making it impossible to comprehend, as they contain a considerable measure of jumbled data covering numerous viewpoints in the meantime. The competitor is required to work out the given data and plan clear, ordered information from the same in order to have the capacity to answer the given problems.
ii. Which of the following combinations of place and mode is not correct?
iii. Which of the following combinations is true for D?
iv. Which of the following combinations of person and mode is not correct?
v. The person travelling to Delhi went by which of the following modes?
The given information can be analysed as follows:
a) Mode of transport: C Travels by car, B by an aeroplane, D by boat and E by train. Now, only A remains. So, A travels by Bus.
b) Place of travel: C goes to Bangalore , B to Kolkata. Now, bus transport is not available for Delhi or Chennai. so , A who travels by bus goes to Hyderabad. D travels by boat and hence by (ii), did not go to Delhi. So, D goes to Chennai. Now, only E remains. So, E goes to Delhi.
ii. Which of the following is true?
iii. Which of the following pair has the first person sitting to the immediate left of the second person?
iv. Which of the following is the positions of F?
First of all mark the seven blank positions around a circle.
Now , V is second to the left of R and R is to the immediate left of U.
Mark their positions as shown below:
ii. Who is the eldest?
Let us denote the five persons by the letter of their names, namely A, M, G, K and R.
Then, A > M, A > G > M, R > K, M > K and M > R.
combining all the above,
A > G > M > R > K is obtained.
i. Ram’s age is between Mala and Kapil.
So, answer is (b).
ii. It is clear that, Alka is the eldest.
So, answer is (a).
4: Study the following data carefully to answer the questions given below: (Specialist Officers’ 2006)
P, Q, R, S, T, U and V are seven professors. Each one teaches a different subject from Physics, Chemistry, Biology, English, Mathematics, Economics and Geography; not necessarily in the same order. Each of them teaches one day each on seven days of the week from Monday to Sunday not necessarily in the same order. R teaches Biology on Friday. Q teaches Mathematics on the previous day of the day on which the professor teaches Physics. V teaches on Sunday but does not teach Chemistry or English. S teaches Economics on the previous day on which U teaches. P teaches Geography on Tuesday. T does not teach English.
i. Which subject does U teach?
ii. On which day does T teach?
iii. Which subject does V teach?
P teaches Geography, Q teaches Mathematics, R teaches Biology, S teaches Economics. Since V does not teach Chemistry or English, So V teaches Physics. Since T does not teach English, so T teaches Chemistry. Thus, U teaches English.
Now, P teaches Geography on Tuesday, R teaches Biology on Friday, V teaches Physics on Sunday. So, Q teaches Mathematics on Saturday. Since S teaches on the previous day on which U teaches, so S teaches Economics on Wednesday and U teaches English on Thursday. Thus, T teaches Chemistry on Monday.
Schedule is as shown below:
ii. Which of the following is one of the married couples?
iii. How many sons does T have?
e. None of these.
T is mother-in-law of P and P is wife of R. So, R is P’s husband and T is mother of R. So, one couple is RP. Since S is father of U, so S is the husband of T. So, the other couple is ST.
Since Q is sister of U, so R, U and Q are children of S and t. Since there are 3 gents in all, so U is also a male.
Now, Q reads Navbharat Times; U reads Hindhustan Times; T reads Indian Express.
Since S does not read The Times of India or The Tribune, so S reads Business Herald.
Since R does not read The Tribune, so R reads The Times Of India.
Now, it is clear that, P reads The Tribune.
i. R reads The Times of India.
So, the answer is (b).
ii. The two couples are – RP and ST.
So, the answer is (d).
iii. It is clear that T has two sons – R and U.
So, the answer is (b).