GRE प्रश्न और उत्तर का अभ्यास करें

प्र: I shrink smaller every time I take a bath. What am I ? 1582 0

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उत्तर :
व्याख्या :

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

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उत्तर :
व्याख्या :

Firstly, I focussed on "If you remove my 1st & 2nd letters, you can't see me". The first thing that comes to mind which we can’t see is the "AIR".   So now, what 4 letter words can be formed ending with "AIR"? Think of all the words from A to Z, considering which one lies above you. That is how we get to "HAIR".   Now, which 5 letter word can be formed ending with "HAIR"? Starting with A to Z, we reach "CHAIR" and also, it lies below us.   And the required answer is "CHAIR".

प्र: A number is increased by 20% and then decreased by 20%, the final value of the number is ? 1581 0

  • 1
    increase by 2%
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  • 2
    decrease by 3%
    सही
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  • 3
    decrease by 4%
    सही
    गलत
  • 4
    increase by 5%
    सही
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उत्तर : 3. "decrease by 4%"
व्याख्या :

Answer: C) decrease by 4% Explanation: Here, x = 20 and y = - 20Therefore, the net % change in value=x + y + xy100 %= 20 + -20 + 20 × -20100%  or  - 4% Since the sign is negative, there is a decrease in value by 4%.

प्र: I will disappear every time you say my name. What am I? 1581 0

  • 1
    Thief
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    गलत
  • 2
    Silence
    सही
    गलत
  • 3
    Shadow
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    गलत
  • 4
    None
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उत्तर : 2. "Silence"
व्याख्या :

Answer: B) Silence Explanation:

प्र: With an average speed of 40 km/hr, a train reaches its destination in time. If it goes with an average speed of 35 km/hr, it is late by 15 minutes. Find the length of the total journey? 1579 0

  • 1
    70 kms
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  • 2
    60 kms
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  • 3
    45 kms
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    गलत
  • 4
    30 kms
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उत्तर : 1. "70 kms"
व्याख्या :

Answer: A) 70 kms Explanation: Let the time taken by train be 't' hrs. Then, 40t = 35t + 1560 40t = 35t + 35/4 t = 7/4 hrs Therefore, Required length of the total journey d = s x t = 40 x 7/4 = 70 kms.

प्र: Please enter the Missing number: 4 8 14 22 ? 1574 0

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    28
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  • 2
    32
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  • 3
    46
    सही
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  • 4
    36
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उत्तर : 2. "32"
व्याख्या :

Answer: B) 32 Explanation: Here the given series follows a pattern that, 22 - 0 = 4   32 - 1 = 8   42 - 2 = 14 52 - 3 = 22 62 - 4 = 32 Hence, the missing number is 32     Method 2 :: The difference between 4 and 8 is 4, the difference between 8 and 14 is 6, the difference between 14 and 22 is 8. So the next difference between 22 and the next number will be 10 since it follows (4,6,8,10 - add +2 each time) Hence, 22 + 10 = 32 is the missing number.

प्र: Which is the World's highest bridge standing 1850 ft above a gorge opens? 1572 0

  • 1
    Sidu Bridge
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  • 2
    Millau Via-duct
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  • 3
    Beipanjiang Bridge
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    गलत
  • 4
    Puli Bridge
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उत्तर : 3. "Beipanjiang Bridge"
व्याख्या :

Answer: C) Beipanjiang Bridge Explanation: Duge Beipanjiang Bridge in southwest China, opened to traffic this week and now the highest bridge in the world, some 565 metres (1,854 feet) above the valley below.The bridge stretches across a 1,341-metre (4,400-foot) span. Three years in the making, it's estimated to have cost the Chinese government around 1 billion yuan (or US$144 million).The bridge is going to cut travel times between Liupanshui in the Guizhou province and Xuanwei in the Yunnan province to two hours instead of the current five – as long as you don't mind the heights.The bridge crosses the the Nizhu river, and to give you some idea of the size of the drop down to the water below, it's almost 2 Eiffel Towers or one-and-a-half Empire State Buildings.

प्र: A seven letter word containing thousands of letters is what? 1569 0

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उत्तर :
व्याख्या :

It is a Postbox or a Mailbox which contains thousands of letters or mails or messages.

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