Reasoning Ability Quiz for IBPS 2021 Mains Exams- 1st January

Directions (1–5): Read the following information and answer the questions given below:
Eight persons are sitting in a row. Some are facing north, while some are facing south. All of them lives on different floor of a building, ground floor is numbered as 1 and top floor is numbered is 8. Each one of them was born on different months of a year.
There is only one person sitting between the one who was born April and the one who lives on third floor. G sits third to the right of F and does not sit on any of the ends. C was born in February and B was born in April. G is not an immediate neighbor of A. The one who was born in March sits at one of the corners. The persons who were born in December and August face the same direction. E sits fifth to the right of G. A and D are sitting at the extreme ends and no one sitting at the extreme ends lives on fifth floor and sixth floor. E doesn’t live on fourth floor, fifth floor and first floor, and faces the direction opposite of H. B faces south. None of the person who sit at the extreme ends face south. The persons who sit immediate left and right to the one who lives on seventh floor facing north direction. There are four persons sit between A and C. The one who was born in November sits third to the left of the one who was born in May. None of the person who face north lives on seventh floor, fourth floor and eighth floor. There are as many persons sit between E and H as there are to the right of C. The one who was born in May sits to immediate left of the one who lives on third floor. H lives on third floor. The one who lives on seventh floor sits fifth to the left of the one who lives on eighth floor. The one who lives on third floor sits second to the right of the one who was born in August. H faces north. One of the persons was born in January. D and C lives on even numbered floors. E doesn’t sit immediate left of B.

Q1. How many persons live above the one who was born in August?
(a) Five
(b) Three
(c) Two
(d) One
(e) More than Five

Q2. Who is sitting third to the left of the one who was born in January?
(a) G
(b) B
(c) The one who lives on first floor
(d) The one who lives on third floor
(e) The one who lives on eighth floor

Q3. Who was born in December?
(a) A
(b) E
(c) C
(d) G
(e) None of these

Q4. D lives on which of the following floor?
(a) First
(b) Fourth
(c) Third
(d) Second
(e) None of these

Q5. The one who was born in November lives on which of the following floors?
(a) Seventh floor
(b) Second floor
(c) Sixth floor
(d) Fifth floor
(e) None of these

Directions (6-8): Study the information carefully and answer the questions given below.
Seven members in a family there are three married couples. A is father of M and Father in law of K who is father in law of L who is wife of J whose mother is N. U is grandmother of L’s husband.

Q6. What is the relation of M with respect to J?
(a) Father
(b) Mother
(c) Aunt
(d) Mother in law
(e) Can’t be determined

Q7. How is M related to K?
(a) Brother
(b) Sister
(c) Brother in law
(d) Sister in law
(e) Can’t be determined.

Q8. How is J related to A?
(a) Father
(b) Brother
(c) Grandson
(d) Granddaughter
(e) None of these

Q9. President Obama has described climate change as one of the biggest challenges facing America and has said he is open to new ideas to address it. He can start by supporting legislation to increase the nation’s hydropower capacity, one of America’s-vital renewable energy resources. Producing electricity from the nation’s 80,000 dams can avoid million metric tons of carbon dioxide emissions each year.
All the following can be assumed from the above EXCEPT-
(a) Hydropower harnesses the force of flowing water to generate electricity.
(b) Many of the dams are not utilized for electricity generation in America.
(c) Hydropower doesn’t cause carbon dioxide emissions.
(d) All the dams in America are safe.
(e)None of these

Q10. A mobile phone manufacturing unit produces 5000 phones per month. The manager wants to ensure that the quality of the phone units is high. The manager, therefore, decides to reject 500 of the phones produced every month.
Which of the following points to an assumption behind the manager’s action?
(a) Going by their profit margins the company can afford to lose 10% of is output.
(b) The quality of the mobile phone is open to suspicion if all the products are accepted.
(c) The market standard for rejection rates is only 5%.
(d) Atleast 90% of the phones produced are of high quality.
(e)None of these

Q11. If the expressions ‘M>N ≤ O < P’, ‘N >Y’ and ‘P <Q’ are true, which of the following conclusions will be false?
(a) N < Q
(b) M> Q
(c) Y < M
(d) O > Y
(e) None of these

Directions (12-15): In the following questions, the symbols #, &, @ and $ are used with the following meanings as illustrated below. Study the following information and answer the given questions:
Note: The directions which are given indicates exact directions.
P#Q – P is in the south direction of Q.
P@Q – P is in the north direction of Q.
P&Q – P is in the east direction of Q.
P$Q – P is in the west direction of Q.
P£QS- P is the mid-point of QS vertically.
Note- For southeast direction it used to be written as P#&Q and so on…
Point B is #8m of point A. Point E is &20m of point D. Point G is $8m of point F, which is #6m of point E. Point D is @15m of point C. Point C is $10m of point B.

Q12. What is the shortest distance between point G and E?
(a) 20m
(b) 15m
(c) 13m
(d) 10m
(e) None of these

Q13. Which of the following is true?
(a) D@&F
(b)G#$B
(c)E@&C
(d)A#$D
(e) None is true

Q14. If L£DE, then what is the direction of L with respect to F?
(a) West
(b) North
(c) South-east
(d) North-west
(e) None of these

Q15. What is the direction and shortest distance of point D with respect to point A?
(a) 17m, South-east
(b) √149m, North-west
(c) 20m, South-east
(d) √123m, North-west
(e) None of these

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Solutions

S9. Ans.(d)
Sol. America has more than 80,000 dams which can produce electricity. Generating electricity from these dams can avoid million metric tons of carbon dioxide emissions every year. Option (a) is an easy assumption; ‘flowing water from dams is used to generate electricity. The second and third sentences suggest option (b). Option (c) can be assumed from the last sentence. Option (d) mentions the safety of dams; this is not supported by the passage.

S10. Ans.(d)
Sol. When the manager decides to reject 500 of the 5000 phones produced to ensure quality, he assumes that the remaining 4500 (or 90%) are of standard or good quality. Hence choice (d) is the proper assumption. Choice (a) is not an assumption in the manager’s decision since he would seek to increase profits. Choices (b), has not been suggested. Choice (c) (market standard) is not an assumption.

S11. Ans.(b)

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