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Doubts of the sheet LR-1 from Phase 1

Post your doubts pertaining to LR class sheets and Basic Reference books.

Doubts of the sheet LR-1 from Phase 1

Postby sadmin » Tue Feb 26, 2013 10:26 am

Please post your doubts of LR-Sheet 1 of phase 1 here
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Re: Doubts of the sheet LR-1 from Phase 1

Postby gaurav1399 » Fri Mar 01, 2013 7:00 am

sir my doubts on questions as follows:
6,10,22,28,33,34,48,64
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Re: Doubts of the sheet LR-1 from Phase 1

Postby sadmin » Fri Mar 01, 2013 7:01 am

6. 38, 49, 62, 70, 77, ..........
(a) 84 (b) 86 © 97 (d) 91

Solution

38 + 3 + 8 (which is the sum of digits of the number 38 = 49
49 + 4 + 9 = 62 + 6 + 2 = 70 + 7 + 0 = 77 + 7 + 7= 91

Answer d
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Re: Doubts of the sheet LR-1 from Phase 1

Postby sadmin » Fri Mar 01, 2013 7:01 am

10. 1, 100, 1001, 10000, 11001, ........
(a) 100100 (b) 11010 © 11100 (d) 11110

Solution

The series given is perfect squares in the decimal number system converted to their binary equivalents.

1 = 1 , THE square of 1
100 = 4, the square of 2
1001 =9 , the square of 3
10000 = 16 the square of 4
11001 = 25 the perfect square of 5
Obviously, the next number should be the perfect square 36 converted to its binary equivalent i.e. 100100
Answer option a

To answer this question ,you need to know how to convert a number into its binary equivalent.
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Re: Doubts of the sheet LR-1 from Phase 1

Postby sadmin » Fri Mar 01, 2013 7:01 am

22. ABEC, IFOG, UJAK, ____, OQUR, ATEV
(a) ILON (b) EMON © AMEN (d) EMIN (e) CMKN

Solution

ABEC - This series has A and E, the first two vowels appearing on odd position of the word.
IFOG - This series has I and O , the next two vowels appearing on odd positions of the word.
UJAK - This series has U and O the next two vowels appearing on odd positions of the word.
tHERE FORE THE missing word must have E and I, the next two vowels on odd positions . Only one option fits the sereis option d
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Re: Doubts of the sheet LR-1 from Phase 1

Postby sadmin » Fri Mar 01, 2013 7:02 am

28. DJ : WQ : : FK : ___
(a) UR (b) RU © PU (d) UP

Solution:

DJ:WQ

D is the fourth letter from start, while W is the fourth letter from the end.
J is the 10th letter from the start and Q is the 10th letter from the end.
FK:
F is the 6th letter from the start, while U is the 6th letter from the end.
K is the 11th letter from the start while P is the 11 th letter from the end.
Hence option d
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Re: Doubts of the sheet LR-1 from Phase 1

Postby sadmin » Fri Mar 01, 2013 7:03 am

33. What is my father’s wife’s grandfather’s only child’s son’s
daughter to me?
(a) Aunt (b) Niece
© Nephew (d) Cousin

Solution

For solving such questions - break them into parts
My father's wife - My mother
My father's wife's grandfather - My mother's grandfather
My father's wife's grandfather's only child's son - My mother's grandfather's only child - should be either my mother's mother or my mother's father
my father’s wife’s grandfather’s only child’s son’s daughter = my mother's brother- whose daughter must be my cousin
Answer d
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Re: Doubts of the sheet LR-1 from Phase 1

Postby sadmin » Fri Mar 01, 2013 7:03 am

34. How is my mother’s brother’s only sibling’s son related
to me?
(a) Uncle (b) Cousin
© Nephew (d) Brother

Solution

My mother's brother - my maternal uncle ( mama in Hindi).
My maternal uncle's only sibling must be my mother.
And my mother's son must be my brother
Answer D
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Re: Doubts of the sheet LR-1 from Phase 1

Postby sadmin » Fri Mar 01, 2013 7:03 am

48. 2, 6, 30, 60, 130,..........
(a) 222 (b) 230 © 216 (d) 210

Solution

2 = 1 ^ 3 + 1
6 = 2 ^ 3 - 2
30 = 5 ^3 + 5
60 =4 ^3 -4
130 = 5^3 + 5
the next number must be 6^3 -6 =210
Answer Option d
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