Bank Exams प्रश्न और उत्तर का अभ्यास करें

प्र: I shrink smaller every time I take a bath. What am I ? 1805 0

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उत्तर :
व्याख्या :

A Soap. Yes, it gets shrinks smaller every time we take a bath.

प्र: Which compound is a nonelectrolyte? 1805 0

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    C2H6O
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  • 2
    HCl
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  • 3
    Na2CO3
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  • 4
    NaCl
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उत्तर : 1. "C2H6O"
व्याख्या :

Answer: A) C2H6O Explanation: C2H6O is a Non-electrolyte.   An electrolyte is a compound that conducts an electric current when it is in an aqueous solution or melted. In order to conduct a current, a substance must contain mobile ions that can move from one electrode to the other. All ionic compounds are electrolytes. When ionic compounds dissolve, they break apart into ions which are then able to conduct a current ( conductivity ). Even insoluble ionic compounds such as CaCO 3 are electrolytes because they can conduct a current in the molten (melted) state.   A nonelectrolyte is a compound that does not conduct an electric current in either aqueous solution or in the molten state. Many molecular compounds, such as sugar or ethanol, are nonelectrolytes. When these compounds dissolve in water, they do not produce ions.   Electrolytes are of 3 types ---- Strong Electrolytes, Weak Electrolytes and Non Electrolytes.   Strong Electrolytes ---- Compounds which completely dissolves. ( NaCl, Na2Co3, HCl ) Weak Electrolytes ----- Compounds which do not completely dissolves. Non Electrolytes ------ Compounds which do not dissolves at all.

प्र: The sides of a right-angled triangle are 12 cm, 16 cm, 20 cm respectively. A new right angle Δ is made by joining the midpoints of all the sides. This process continues for infinite then calculate the sum of the areas of all the triangles so made. 1805 0

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    312 sq.cm
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  • 2
    128 sq.cm
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  • 3
    412 sq.cm
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  • 4
    246 sq.cm
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उत्तर : 2. "128 sq.cm"
व्याख्या :

Answer: B) 128 sq.cm Explanation: Area =    = 96   Sum of Area =

प्र: The highway transportation system is coordinated by 1804 0

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    Department of Transportation
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  • 2
    Your local police department
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  • 3
    The Department of Education
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  • 4
    The Internal Revenue Service
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उत्तर : 1. "Department of Transportation"
व्याख्या :

Answer: A) Department of Transportation Explanation:

प्र: A batsman scored 180 runs which included 11 boundaries and 8 sixes. What percent of his total score did he make by running between the wickets ? 1804 0

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    62.45%
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    51.42%
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  • 3
    48.88%
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  • 4
    47.32%
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उत्तर : 3. "48.88%"
व्याख्या :

Answer: C) 48.88% Explanation: Number of runs made by running = 180 - (11 x 4 + 8 x 6)= 180 - (92)= 88Now, we need to calculate 88 is what percent of 180.⇒88180×100  = 48.888%.

प्र: Which protocol does ping use? 1804 1

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    ICMP
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    TCP
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  • 3
    BootP
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  • 4
    ARP
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उत्तर : 1. "ICMP"
व्याख्या :

Answer: A) ICMP Explanation: ICMP means Internet Control Message Protocol and is always coupled with the IP protocol (There are 2 ICMP variants one for IPv4 and one for IPv6.) echo request and echo response are the two operation codes of ICMP used to implement ping.

प्र: World Youth Skills Day is observed on _____ ? 1803 0

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    16 July
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    14 July
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    13 July
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  • 4
    15 July
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उत्तर : 4. "15 July"
व्याख्या :

Answer: D) 15 July Explanation: The United Nations General Assembly in November 2014 declared 15th July as World Youth Skills Day. This day is celebrated all over the world to raise the awareness about the issue of unemployment among youth.  Theme for the year 2017 is Skills for All.

प्र: The ratio of present ages of Hema and Chinnu is 13:17. Four years ago the ratio of their ages was 11:15. What will be the ratio of their ages six years hence ? 1802 0

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    3 : 7
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  • 2
    7 : 9
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  • 3
    4 : 5
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  • 4
    1 : 3
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उत्तर : 3. "4 : 5"
व्याख्या :

Answer: C) 4 : 5 Explanation: Let their present ages be 13x and 17x.Then, 13x-4/17x-4 = 11/15. Solving this, we get x = 2.Required ratio = 13x2 + 6/17x2 + 6 = 32/40 = 4/5.

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