Codecraft/Prelims Gray Matter.txt at main · sauvik-d/Codecraft · GitHub

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Logical Reasoning Questions (Prelims of Gray Matter):


Total Number of Selected Questions (15)


1. In a certain code “INTEREST” is written as “GLRCPCQR”. How is “PASSION” written in that code?
a) NWTTUAA
b) NYQQGML
c) SHXXHLH
d) NWPPNCV


ANSWER : b) NYQQGML


2. In a certain code “564” means “all the best”, “736” means “best of luck” and “423” means “all is luck”. Which of the following is the code for “luck”?
a) 6
b) 4
c) 3
d) 7


ANSWER : c) 3


3. In a certain code “CONDUCTOR” is written as “CNOUDTCRO”. How can “INSULATOR” be written in that code?
a) ISNLUTARO
b) ISNLUTAOR
c) ISNLUAROT
d) ISNLUOTRA


ANSWER: a)ISNLUTARO


4. Find the odd one out.


a) Figure A
b) Figure B
c) Figure C
d) Figure D
Answer: d)


5. Find the odd one out from the given data.
a) 27
b) 216
c) 343
d) 724


Answer : d)


6. Choose the figure which is different from the rest?
 Figure Classification - Set 5 - Q7

a) Figure A
b) Figure B
c) Figure C
d) Figure D


Answer: d)


7. If ‘A+B’ means A is brother of B, ‘A*B’ means A is sister of B, ‘A-B’ means A is mother of B and ‘A@B’ means A is father of B then which of the following is correct about M+S@N*D ?
a) N is mother of D
b) N is daughter of S
c) S is brother of M
d) M is sister of D


Answer: c


8. Complete the following series 8, 16, 64, 384, 2784 …?
a) 68530
b) 80369
c) 27840
d) 40935


Answer: c


9. Find the missing number in the sequence:
2, 1, 3, ?, 7, 11,18,29,47,76,…


1. 5
2. 6
3. 4
4. 2
Answer: c) 4


10. Find the correct alternative which will replace the question mark?
 Missing Figures - Set 6 - Q6

a) 15
b) 22
c) 21
d) 33


Answer: d) 33


11. 4 : 264 :: 2 : ?
a) 21
b) 18
c) 16
d) 17


Answer: c)


12. If ‘white’ is called ‘yellow’, ‘yellow’ is called ‘blue’, ‘blue’ is called ‘red’, ‘red’ is called ‘black’, ‘black’ is called ‘violet’, ‘violet’ is called ‘green’ and ‘green’ is called ‘orange’, then what would be the colour if we mix red and green together?
a) Red
b) Green
c) Blue
d) Yellow


Answer: c)


13. The following diagram shows the number of people who plays Table Tennis, Chess, Carrom and Ludo. If the total number of people is 600, then what is the number of people who plays Chess and Ludo but not Carrom?


a) 3
b) 4
c) 10
d) 8


Answer: b)


14. Identify the figure which satisfies the same condition of placement of dots as in given figure.


a)


b)


c)


d)


Answer: d


15. A semicircle of radius 3 units is drawn on one edge of a right-angled triangle, and a semicircle of radius 4 units is drawn on another edge. The semicircles intersect on the hypotenuse of the triangle, as shown.


What is the shaded area, in square units?


1. (25π/2) -  24
2. 12
3. (25π/2) -  6
4. 25π -  24


Answer: A)