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प्र: If Riya's age is four times the age of Siya and if Riya's age is 24 yrs , find the age difference between Riya and Siya ? 2214 0

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    2 yrs
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  • 2
    12 yrs
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  • 3
    18 yrs
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  • 4
    6 yrs
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उत्तर : 3. "18 yrs"
व्याख्या :

Answer: C) 18 yrs Explanation: Let Siya's age = x Then Riya's age = 4x But given Riya's age = 24 => 4x = 24 => x = 6 Hence Siya's age = 6 yrs => The age difference = 24 - 6 = 18 yrs.

प्र: The price of commodity X increases by 60 rupees every year, while the price of commodity Y increases by 20 rupees every year. If in 2002, the price of commodity X was Rs. 320 and that of Y was Rs. 740, in which year commodity X will cost 60 rupees more than the commodity Y ? 2212 0

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    2011
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  • 2
    2014
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  • 3
    2012
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  • 4
    2017
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उत्तर : 2. "2014"
व्याख्या :

Answer: B) 2014 Explanation: If After p years , commodity X will cost 60 rupees more than the commodity Y, then 320 + 60p = 740 + 20p + 60=> p = 12 So in year (2002 + 12 = 2014), commodity X will cost Rs.60 more than the commodity Y.

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? 2211 0

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    23
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  • 2
    92
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  • 3
    48
    सही
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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.

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उत्तर : 3. "None follows"
व्याख्या :

Answer: C) None follows Explanation:

प्र: How much does a clock lose per day, if its hands coincide ever 65 minutes ? 2211 0

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    1440/143 min
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  • 2
    184/13 min
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  • 3
    1425/18 min
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  • 4
    541/9 min
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उत्तर : 3. "1425/18 min"
व्याख्या :

Answer: C) 1425/18 min Explanation: 55 min. spaces are covered in 60 min.60 min. spaces are covered in ((60/55) x 60) min = 720/11 min.Loss in 65 min. = (720/11 - 65 ) = 5/11Loss in 24 hrs = (5/11 x 1/65 x 24 x 60)min = 1440/143 min.

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 ? 2206 0

  • 1
    404
    सही
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  • 2
    415
    सही
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  • 3
    418
    सही
    गलत
  • 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

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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: Which of the following is a Heterogeneous Mixture? 2204 0

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    Air
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  • 2
    Table salt
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  • 3
    Soda
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    गलत
  • 4
    Brass
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उत्तर : 3. "Soda"
व्याख्या :

Answer: C) Soda Explanation: Here Soda is a Heterogenous Mixture.   A Heterogeneous Mixture is a mixture having a non-uniform composition i.e, the mixture contains components in different phases. Using various means, the parts in the mixture can be separated from one another.

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