Quantitative Aptitude प्रश्न और उत्तर का अभ्यास करें

नवीनतमलोकप्रियमूल्यांकनपेज देखें 53 of 159कुल सवाल 1267 जॉइन Examsbook

प्र: On 24th Nov, 2007 Thursday falls. What day of the week was it on 10th Nov, 2006 ? 2254 0

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    Wednesday
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  • 2
    Tuesday
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  • 3
    Friday
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  • 4
    Thursday
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उत्तर : 1. "Wednesday"
व्याख्या :

Answer: A) Wednesday Explanation: The year 2006 is an ordinary year. So, it has 1 odd day.So, the day on 24th Nov, 2007 will be 1 day beyond the day on 24th Nov, 2006.But, 24th Nov, 2007 is Thursday. 24 - 10 = 14 days. Therefore, 2 weeks ago it is same day. Thus, 10th Nov, 2006 is one day before 10th Nov, 2007 i.e. it is Wednesday.

प्र: Out of 135 applicants for a post, 60 are graduates and 80 have experience. What is the ratio of minimum to maximum numberof graduates having experience? 2248 0

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    12:1
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  • 2
    5:1
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    1:5
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  • 4
    1:12
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उत्तर : 4. "1:12"
व्याख्या :

Answer: D) 1:12 Explanation: Given total applicants = 135Given graduates are G=60 Otherthan graduates=135-60 = 75Given experienced candidates = 801) For maximum number of graduates have experience    Total graduates to have experience = 60 2) For minimum number of graduates have experience    Remaining after taking other than graduates in experience= 80-75 = 5

प्र: A heap of coconuts is divided into groups of 2, 3 and 5 and each time one coconut is left over. The least number of Coconuts in the heap is  ? 2246 0

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    63
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  • 2
    31
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  • 3
    16
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  • 4
    27
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उत्तर : 2. "31"
व्याख्या :

Answer: B) 31 Explanation: To get the least number of coconuts :LCM = 30 => 30 + 1 = 31

प्र: Karthik read 613 th of a book in 1st week and 59 th of the remaining book in 2nd week. If there were 100 pages unread after 2nd week, how many pages were there in the book ? 2240 0

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    404
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  • 2
    415
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  • 3
    418
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  • 4
    420
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उत्तर : 3. "418"
व्याख्या :

Answer: C) 418 Explanation: Let the total book be 1 Then, in the 1st week 613th of book is read i.e remaining pages =  1-613=713 in 2nd week he read 59th of it i.e 59×713=35117Remaining pages after 2nd week = 713-35117=28117 But given remaining pages after 2nd week = 100   28x117=100 --> x = 418   The total pages in the book are 418

प्र: Rs. 69 were divided among 115 family members so that each lady gets 50 paise less than each gentleman, and each gentleman received twice the paise as each lady received. Find the number of  gentlemen in the family? 2237 0

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    23
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  • 2
    92
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  • 3
    48
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  • 4
    52
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उत्तर : 1. "23"
व्याख्या :

Answer: A) 23 Explanation: Total number of female members = 115 Let the number of males = x Number of females = y => x + y = 115  ......(1) According to the given data, x + y(0.50) = 69 ......(2) From (1) & (2), we get 0.5y = 46 => y = 46 x 2 = 92 => x = 115 - 92 = 23   Hence, required number of gentlemen in the family = x = 23.

प्र: A retailer buys product from a shopkeeper at discount of 40% on the list price (marked price) and sells them to the customer at a discount of 25% on the list price.What is his profit percentage ? 2235 0

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    10%
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    15%
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    20%
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  • 4
    25%
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उत्तर : 4. "25%"
व्याख्या :

Answer: D) 25% Explanation: Let the list price be Rs.100.    Therefore, the retailer is buying the products at Rs.60 and selling it to the customer at Rs.75, earning a profit of Rs.15.   Therefore, his percentage is = 1560x100 = 25%

प्र: Two persons Shyam and Rahim can do a job in 32 days together. Rahim can do the same job in 48 days alone. They started working together and after working 8 days Rahim is replaced by a third person Ram whose efficiency is half that of Rahim. Find in how many days the remaining work will be completed by both Shyam and Ram together? 2230 0

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    16 days
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  • 2
    72/5 days
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  • 3
    15 days
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  • 4
    96/5 days
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उत्तर : 2. "72/5 days"
व्याख्या :

Answer: B) 72/5 days Explanation: Work done by Shyam and Rahim in 8 days = 8/32 = 1/4 Remaining work to be done by Shyam and Ram = 1 - 1/4 = 3/4 Given efficieny of Ram is half of Rahim i.e, as Rahim can do the work in 48 days, Ram can do the work in 24 days. One day work of Ram and Shyam = (1/32 - 1/48) + 1/24 = 5/96 Hence, the total work can be done by Shyam and Ram together in 96/5 days.   Therefore, remaining work 3/4 can be done by them in 3/4 x 96/5 = 72/5 = 14.4 days.

प्र: यदि A:B=3:4, B:C=8:9 और C:D=15:16 है तो A:D बताइएं। 2225 1

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    5:8
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  • 2
    5:7
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  • 3
    15:32
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  • 4
    20:44
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उत्तर : 1. "5:8"

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