Night Class Reasoning Questions for RRB PO : 25 August 2017

Directions (1-5): Study the following information carefully and answer the given questions:

Seven students P, Q, R, S, T, U and V go to T.D College on different days in a same week starting from Monday, Tuesday, Wednesday, Thursday, Friday, Saturday and Sunday. All of them are doing PhD. in different subject viz, Chemistry, Physics, Biology, Hindi, English, History and Math but not necessarily in the same order.

The one who is doing PhD in Chemistry goes to college on Wednesday. U is doing PhD in English. V is doing PhD in Hindi and he goes to college on Saturday. S does not go to the college on Monday. R is doing PhD in Biology but he goes neither on Saturday nor on Thursday. T goes to college on Tuesday and he is doing PhD in History. P goes on Friday but he is not doing PhD in the Chemistry or in the English. The one who is doing PhD in Physics goes to college on Monday. 

Q1. Who among the following is doing PhD in Physics?

(a) P

(b) Q

(c) S

(d) R

(e) T

Q2. On which day does U go to college?

(a) Monday

(b) Tuesday

(c) Wednesday

(d) Thursday

(e) None of these

Q3. Which of the following combinations is true?

(a) T – Thursday – History 

(b) S – Tuesday – Chemistry 

(c) R – Sunday – Biology 

(d) U – Friday – English 

(e) Q – Monday – Maths 

Q4. Who among the following goes to college on Sunday?

(a) Q

(b) S

(c) R

(d) T

(e) V

Q5. The one who is going on Saturday doing PhD in which of the following subject?

(a) Hindi

(b) Chemistry

(c) English

(d) Physics

(e) Maths

Directions (6-10): In the following questions #, @, ©, % and * are used with the following meanings as illustrated below:

‘P © Q’ means ‘P is not smaller than Q.’

‘P % Q’ means ‘P is neither smaller than nor equal to Q.’

‘P * Q’ means ‘P is neither greater than nor equal to Q.’

‘P # Q’ means ‘P is not greater than Q.’

‘P @ Q’ means ‘P is neither greater than nor smaller than Q.’

Now, in each of the following questions assuming the given statements to be true, find with of the four conclusions I, II, III and IV given below them is/are definitely true and give your answer accordingly.

Q6. Statements: P # Q, Q @ X, X © Y, Y % Z

Conclusions 

I. X @ P

II. X % P

III. Z * Q

IV. Y # Q

(a) Either I or II is true

(b) III and IV are true

(c) Either I or II and III are true

(d) Either I or II and IV are true

(e) Either I or II and III and IV are true

Q7. Statements: P @ Q, Q # R, R % S, S © T

Conclusions 

I. T * R

II. R © P

III. Q * P

IV. P # T

(a) I and II are true

(b) I, II and III are true

(c) II, III and IV are true

(d) All are true

(e) None of these

Q8. Statements: P * Q, Q % R, R @ S, S # T

Conclusions 

I. P * R

II. S * P

III. R @ T

IV. T % R

(a) None is true

(b) Only III is true

(c) Only IV is true

(d) Either III or IV is true

(e) Either III or IV and II are true

Q9. Which of the following symbols should be placed in the blank spaces respectively (in the same order from left to right) in order to complete the given expression in such a manner that makes the both expression X > Y and Z ≤ U definitely true?

X _ U _ V _ Y _ Z

(a) =, <, ≥, ≥

(b) >, ≥, =, >

(c) >, <, =, ≤

(d) >, =, =, ≥

(e) >, =, ≥, >

Q10. Which of the following symbols should be placed in the blank spaces respectively (in the same order from left to right) in order to complete the given expression in such a manner that makes the both expression P > Q and R > S definitely false?

P _ T _ R _ Q _ S

(a) <, <, >, =

(b) <, =, =, >

(c) <, =, =, <

(d) <, =, >, ≥

(e) >, >, =, <

Directions (11-15): Question consists of five statements followed by five conclusions. Consider the given statements to be true even if they seem to be at variance with commonly known facts. Read all the conclusions and then decide which of the given conclusions does not logically follow from the given statements using all statements together.

Q11. Statements: All book are copy. Some copy are kite. No kite are hour. Some hour are time. All time are month.

Conclusions: 

(a) Some month are hour.

(b) All book being kite is a possibility.

(c) Some copy is not hour.

(d) Some book is not hour.

(e) All hour being month is a possibiity.

Q12. Statements: Some fly are high. No high is world. All world is large. Some large is Note. All note is pen.

Conclusions:

(a) All high being large is a possibility.

(b) All fly being world is a possibility.

(c) Some pen is large.

(d) All world being pen is a possibility.

(e) Some fly is not world.

Q13. Statements: Some mobile is network. Some network is word. Some word is file. Some file is tax. All tax are joy.

Conclusions: 

(a) All mobile being word is possibility.

(b) All word being tax is a possibility.

(c) Some joy is file.

(d) Some network being joy is a posibility.

(e) Some network is a file.

Q14. Statements: All apple are box. No apple is cat. Some cat is kite. All kite is dog. Some dog are camel.

Conclusions:

(a). Some cat is dog.

(b) All cat being camel is a possibility.

(c) All kite being camel is a possibility.

(d) All cat being box is a possibility.

(e) All box being cat is a possbility.

Q15. Statements: All math is science. Some science is good. Some good is result. No result is year. No year is white.

Conclusions: 

(a) All math being result is a possibility.

(b) All result being white is a possibility.

(c) Some good is not year.

(d) Some science is a result.

(e) All math being good is a possibility.

Night Class Reasoning Questions for RRB PO and Clerk Exam 2017(Solution)