If the third day of a month is Tuesday, which of the following would be the 4th day before the 27th day of that month?
Answer: B
Correct answer: Monday
If the 3rd is a Tuesday, the 27th is 24 days later, and \( 24 = 21 + 3 \), so it falls three days on from Tuesday - a Friday. The fourth day before it is the 23rd, which is four days back from Friday: Monday.
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In a row of thirty boys, R is fourth from the right end and W is tenth from the left end . How many boys are there between R and W?
Answer: B
Correct answer: 16
R is 4th from the right of thirty, so he is \( 30-4+1 = 27 \)th from the left. Between the 10th and the 27th place there are \[ 27 - 10 - 1 = \mathbf{16} \] boys.
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Sangeeta remembers that her father’s birthday was certainly after eighth but before thirteenth of December. Her sister Natasha remembers that their father’s birthday was definitely after ninth but before fourteenth of December. On which date of December was their father’s birthday?
Answer: D
Correct answer: Data inadequate
Sangeeta allows the 9th to the 12th and Natasha the 10th to the 13th. Three dates - the 10th, 11th and 12th - satisfy both, so the birthday cannot be pinned down: the data are inadequate.
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Read the arrangement carefully and give the answer of following questions ?
K$23DBE8HM4@5JF4%K1+WR#AA*415
How many such symbols are there which is not immediately preceded by a letter but immediately followed by a number ?
Answer: A
Correct answer: 1
Going along the arrangement and keeping only those symbols that have a letter after them but not before them, exactly one qualifies; every other symbol fails one of the two tests.
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Which is the third number to the left of the number which is exactly in the middle of the following sequence of numbers?
1 2 3 4 5 6 7 8 9 2 4 6 8 9 7 5 3 1 9 8 7 6 5 4 3 2 1
Answer: C
Correct answer: 4
The sequence holds 27 numbers, so the middle one is the 14th, which is 9. Three places to its left is the 11th number, 4.
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A class of boys stands in a single line, One boy is 19th in order from both the ends, How many boys are there in the class ?
Answer: A
Correct answer: 37
The boy is counted from both ends, so the class holds \[ 19 + 19 - 1 = \mathbf{37} \] boys.
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Ravi is 7 ranks ahead of Sumit in a class of 39. If Sumit’s rank is seventeenth from the last, what is Ravi’s rank from the start?
Answer: C
Correct answer: 16th
Sumit is 17th from the last in a class of 39, so he is \( 39 - 17 + 1 = 23 \)rd from the start. Ravi is seven ranks ahead of him: \[ 23 - 7 = \mathbf{16} \text{th} \]
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If the 30th january 2003 was thursday, what was the day day on 2nd march, 2003?
Answer: A
Correct answer: sunday
31 January is the day after Thursday, a Friday. February 2003 had 28 days - exactly four weeks - so 28 February was also a Friday. 1 March is then Saturday and 2 March Sunday.
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There are five books of different thickness. A is thicker than C and B is thicker than D. E is not as thick as B, but is thicker than C. D is not as thick as C. Which is the thinnest book?
Answer: B
A > C -----(i), B > D -----(ii), E < B> C ---------(iv), C > D ---------(v)
from (i) and (v), we get A > C > D ---------(I)
from (iii) and (iv), we get B > E > C --------(II)
From (I) and (II) , it is clear that 'D' is the thinnest.
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Count each 7 which is not immediately preceded by 5 but is immediately followed by either 2 or 3. How many such 7’s are there?
5 7 2 6 5 7 3 8 3 7 3 2 5 7 2 7 3 4 8 2 6 7 8
Answer: A
Correct answer: 2
Two 7s qualify: the one in 3 7 3, which is preceded by 3 and followed by 3, and the one in 2 7 3. The 7s in 5 7 2 and 5 7 3 are ruled out by the 5 before them, and the last 7 is followed by 8. So there are 2.
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