Reasoning Quiz For RBI Grade B Phase 1 2023-1st March

Directions (1-5): A 4-digit number arrangement machine when given an input line of numbers rearranges them following a particular rule in each step. The following is an illustration of input and rearrangement.

Input: 4562 7594 6595 9257 6425
Step I: 5373 5375 7373 7335 7533
Step II: 3735 5735 3737 5337 3357
Step III: 2115 3515 2121 1521 935
Step IV: 5211 5531 2211 5211 953
Step V: 9 14 6 9 17
Step V is the last step of the above input.
As per rules followed in the above steps, find out in each of the given questions the appropriate steps for the given input.

Input: 6598 8645 7569 4856 7296

Q1. In step IV, which number is 3rd from the right end of the given input?
(a) 9541
(b) 5421
(c) 6321
(d) 6531
(e) None of the above

Q2. What is the sum of last three numbers from right end in the final step?
(a) 60
(b) 55
(c) 50
(d) 65
(e) 40

Q3. Which number is 4th from the left end in step II of given input?
(a) 7735
(b) 7395
(c) 3579
(d) 9737
(e) None of these

Q4. Which among the following is the last number when counted from left end in step III of the given input?
(a) 1563
(b) 2145
(c) 4915
(d) 6321
(e) None of these

Q5. What is the absolute difference between the 2nd number from right end in step I and 2nd number from left end in step II of the given input?
(a) 2358
(b) 4216
(c) 3176
(d) 3712
(d) 4417

Directions (6-10): A number and word arrangement machine when given an input line of words and numbers rearranges them following a particular rule in each step. The following is an illustration of input and rearrangement.

Input: 71 mean 26 half 34 plays help 14 knife 45 stays 52
Step I: stays 15 71 mean 26 half 34 plays help knife 45 52
Step II: plays 28 stays 15 71 mean half 34 help knife 45 52
Step III: mean 37 plays 28 stays 15 71 half help knife 45 52
Step IV: knife 49 mean 37 plays 28 stays 15 71 half help 52
Step V: help 57 knife 49 mean 37 plays 28 stays 15 71 half
Step VI: hall 77 help 57 knife 49 mean 37 plays 28 stays 15
Step VI is the last step of the above input. As per rules followed in the above steps, find out in each of the given questions the appropriate steps for the given input.

Input: nuts 36 black solid 11 63 many 23 curd tent 51 77

Q6. ‘many 55 nuts 39 solid 25 tent 12 black 63 curd 77’ is which step in the rearrangement of the given input?
(a) Step III
(b) Step IV
(c) Step II
(d) Step V
(e) No such step

Q7. What is the position of word ‘tent’ in step V in rearrangement of the given input?
(a) 4th from right end
(b) 4th from left end
(c) 6th from right end
(d) 8th from left end
(e) None of these

Q8. Which element occurs 3rd to the right of the element ‘25’ in step IV?
(a) Tent
(b) 12
(c) Black
(d) Many
(e) None of these

Q9. What is the difference between the highest and the 2nd lowest number obtained in the final step?
(a) 63
(b) 65
(c) 58
(d) 68
(e) 66

Q10. Which element is fourth to the left of third element from the right end in the final step?
(a) 55
(b) Tent
(c) Many
(d) Nuts
(e) None of these

Directions (11-13): Answer the questions based on the information given below.
Ten persons V, W, X, Y, Z, M, N, O, P and Q are there in a family of three generations. There are three married couples. Y is the sister-in-law of X. V is the son of N. O is the brother of Z and both are unmarried. Q is the father-in-law of W. M is the mother of P and married to the brother of X. W has only one sister. P has no sibling. Q has only one grandson. W and Y are siblings but Y is unmarried. No single person is a parent in the family. Each couple has at least one child. X is not the mother of O.

Q11. If K is married to P then how is K related to V?
(a) Daughter-in-law
(b) Son
(c) Son-in-law
(d) Brother-in-law
(e) None of these

Q12. How is W related to N?
(a) Mother-in-law
(b) Daughter-in-law
(c) Grand-mother
(d) Mother
(e) None of these

Q13. How is M related to O?
(a) Mother
(b) Aunt
(c) Grand-mother
(d) Nephew
(e) None of these

Directions (14-15): Answer the questions based on the information given below.
J is the son-in-law of K. J is the son of L. L has two children. M is the granddaughter of N. K has only one daughter. N is not married to L. O is the father of P and married to Q. K is the father of R. Q is the sibling of J. Q has no daughter.

Q14. If W is the father of Q, then how is L related to M?
(a) Mother
(b) Father
(c) Granddaughter
(d) Grandmother
(e) Grandfather

Q15. How is O related to J?
(a) Brother
(b) Sister
(c) Father-in-law
(d) Brother-in-law
(e) Sister-in-law

Solutions

Solution (1-5):
Sol. The rearrangement takes place in the following ways:
In Step I, 1 is added to even digits while 2 is subtracted from odd digits.
In Step II, Interchange the position of 1st and last digit and 2nd digit and 2nd last digit with each other.
In Step III, product of pair of digits from the left end within the number is written to form a four-digit number.
In Step IV, digits are written in the decreasing order within the number.
In Step V, the sum of all the digits within the number is written.

Input: 6598 8645 7569 4856 7296
Step I: 7379 9753 5377 5937 5377
Step II: 9737 3579 7735 7395 7735
Step III: 6321 1563 4915 2145 4915
Step IV: 6321 6531 9541 5421 9541
Step V: 12 15 19 12 19

S1. Ans. (a)
S2. Ans. (c)
S3. Ans. (b)
S4. Ans. (c)
S5. Ans. (a)

Solution (6-10):
Sol. In step I, the rearrangement takes place in such a way that, among the given words, the word which comes last in dictionary is written at the extreme left followed by the lowest number in the given input.
In step II, among the given words, the word which is 2nd last in the dictionary is written at the extreme left followed by the 2nd lowest number in the given input. This continues till the final step.
In the corresponding steps, the numbers are added by the corresponding step number in each step and arranged in ascending order from left.

Input: nuts 36 black solid 11 63 many 23 curd tent 51 77
Step 1: tent 12 nuts 36 black solid 63 many 23 curd 51 77
Step II: solid 25 tent 12 nuts 36 black 63 many curd 51 77
Step III: nuts 39 solid 25 tent 12 black 63 many curd 51 77
Step IV: many 55 nuts 39 solid 25 tent 12 black 63 curd 77
Step V: curd 68 many 55 nuts 39 solid 25 tent 12 black 77
Step VI: black 83 curd 68 many 55 nuts 39 solid 25 tent 12
S6. Ans. (b)
S7. Ans. (a)
S8. Ans. (c)
S9. Ans. (c)
S10. Ans. (a)