Quantitative Aptitude рдкреНрд░рд╢реНрди рдФрд░ рдЙрддреНрддрд░ рдХрд╛ рдЕрднреНрдпрд╛рд╕ рдХрд░реЗрдВ

рдкреНрд░: Madhu got 32% of the maximum marks in a Bank examination and failed by 8 marks. However, Kumar who took the same examination got 42% of the total marks and got 16 marks more than the cut-off marks. What was the cut-off marks in the examination ? 1687 0

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    76.8
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    86.8
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    78.8
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    84.8
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рдЙрддреНрддрд░ : 4. "84.8"
рд╡реНрдпрд╛рдЦреНрдпрд╛ :

Answer: D) 84.8 Explanation: Let 'M' be the maximum marks in the examination. Therefore, Madhu got 32% of M = 32M/100 = 0.32MAnd Kumar got 42% of M = 42M/100 = 0.42M.In terms of the maximum marks Kumar got 0.42M - 0.32M = 0.1M more than Madhu. ---- (1) The problem however, states that Kumar got 16 marks more than the cut-off mark and Madhu got 8 marks less than the cut-off mark. Therefore, Kumar has got 16 + 8 = 24 marks more than Madhu. ---- (2) Now, Equating (1) and (2), we get0.1M = 24 => M = 24/0.1 = 240'M' is the maximum mark and is equal to 240 marks.We know that Madhu got 32% of the maximum marks.Therefore, Madhu got 32 x 240/100 = 76.8 marks.We also know that Madhu got 8 marks less than the cut-off marks. Therefore, the cut-off marks will be 8 marks more than what Madhu got = 76.8 + 8 = 84.8.

рдкреНрд░: A class has 8 football players. A 5-member team and a captain will be selected out of these 8 players. How many different selections can be made ? 1810 0

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    210
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    168
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    1260
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    10!/6!
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рдЙрддреНрддрд░ : 2. "168"
рд╡реНрдпрд╛рдЦреНрдпрд╛ :

Answer: B) 168 Explanation: we can select the 5 member team out of the 8 in 8C5 ways = 56 ways. The captain can be selected from amongst the remaining 3 players in 3 ways. Therefore, total ways the selection of 5 players and a captain can be made = 56x3 = 168 ways. ┬а (or) ┬а Alternatively, A team of 6 members has to be selected from the 8 players. This can be done in 8C6 or 28 ways. Now, the captain can be selected from these 6 players in 6 ways. Therefore, total ways the selection can be made is 28x6 = 168 ways.

рдкреНрд░: 12 days payment to the servant in a cloth showroom in festival season is Rs. 400 plus one shirt. The servant leaves after 9 days and recieves Rs. 280 and a shirt. What is the price of the shirt ? 1520 0

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    Rs. 80
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    Rs. 120
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    Rs. 70
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    Rs. 100
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рдЙрддреНрддрд░ : 1. "Rs. 80"
рд╡реНрдпрд╛рдЦреНрдпрд╛ :

Answer: A) Rs. 80 Explanation: The servant worked for 9 days instead of 12 days, he should receive 9/12 of his total payment Let the price of 1 shirt be Rs. S┬а i.e., 3/4 (400 + S). However, the question states that the servant receive Rs. 280 + S where S is the price of the shirt. By equating the two equations we get 3/4 (400 + S) = 280 + S. Therefore, Price of the shirt S = Rs. 80.

рдкреНрд░: There are 11 True or False questions. How many ways can these be answered ? 1433 0

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    11!/2
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    1024
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    11!
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    2048
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рдЙрддреНрддрд░ : 4. "2048"
рд╡реНрдпрд╛рдЦреНрдпрд╛ :

Answer: D) 2048 Explanation: Given 11 questions of type True or False ┬а Then, Each of these questions can be answered in 2 ways (True or false) ┬а Therefore, no. of ways of answering 11 questions = 211┬а= 2048 ways.

рдкреНрд░: It was Tuesday on Jan 1, 2006. What was the day of the week Jan 1, 2010 ? 1385 0

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    Sunday
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    Friday
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    Monday
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    Tuesday
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рдЙрддреНрддрд░ : 2. "Friday"
рд╡реНрдпрд╛рдЦреНрдпрд╛ :

Answer: B) Friday Explanation: On 31st December, 2005 it was Monday. Number of odd days from the year 2006 to the year 2009 = (1 + 1 + 2 + 1) = 5 days. On 31st December 2009, it was Thursday. Thus, on 1st Jan, 2010 it is Friday.

рдкреНрд░: Sriram was conducting an experiment in which the average of 11 observations came to be 92, while the average of first five observations was 89, and that of the last five was 86. What was the measure of the 6th observation ? 1594 0

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    134
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    137
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    139
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    141
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рдЙрддреНрддрд░ : 2. "137"
рд╡реНрдпрд╛рдЦреНрдпрд╛ :

Answer: B) 137 Explanation: This can be done as, ┬а (11 ├Ч 92) ┬а- ┬а(5 ├Ч 89) ┬а- ┬а(5 ├Ч 86)┬а ┬а = 1012- 445 - 430 = 137

рдкреНрд░: Second & fourth Saturdays and every Sunday is a holiday. How many working days will be there in a month of 31 days beginning on a Friday ? 1533 0

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    24
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    23
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    22
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    25
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рдЙрддреНрддрд░ : 1. "24"
рд╡реНрдпрд╛рдЦреНрдпрд╛ :

Answer: A) 24 Explanation: Given that the month begins on a Friday and has 31 days ┬а Sundays = 3rd, 10th, 17th, 24th, 31st=> Total Sundays = 5 ┬а Every second & fourth Saturday is holiday. 2nd & 4th Saturday in every month = 2 ┬а Total days in the month = 31 ┬а Total working days = 31 - (5 + 2) = 24 days.

рдкреНрд░: K can lay Highway road between two cities in 16 days. L can do the same job in 12 days. With the help of M, they completes the job in 4 days. How much days does it take for M alone to complete the work ? 1477 0

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    47/7 days
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    59/6 days
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    48/5 days
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    57/5 days
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рдЙрддреНрддрд░ : 3. "48/5 days"
рд╡реНрдпрд╛рдЦреНрдпрд╛ :

Answer: C) 48/5 days Explanation: Amount of work K can do in 1 day = 1/16 Amount of work L can do in 1 day = 1/12 Amount of work K, L and M can together do in 1 day = 1/4 Amount of work M can do in 1 day = 1/4 - (1/16 + 1/12) = 3/16 тАУ 1/12 = 5/48 => Hence M can do the job on 48/5 days = 9 (3/5) days

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    рдХреГрдкрдпрд╛ рд╕рдВрджреЗрд╢ рджрд░реНрдЬ рдХрд░реЗрдВ
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    рдХреГрдкрдпрд╛ рд╕рдВрджреЗрд╢ рджрд░реНрдЬ рдХрд░реЗрдВ
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