CAT प्रश्न और उत्तर का अभ्यास करें

प्र: A water tank in a village is normally filled in 8 hours but takes 2 hours longer to fill because of a leak in its bottom. If the tank is full, in how many hrs will the leak empty it ? 2482 0

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    34 hrs
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    36 hrs
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    38 hrs
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  • 4
    40 hrs
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उत्तर : 4. "40 hrs"
व्याख्या :

Answer: D) 40 hrs Explanation: The time taken by the leak to empty the tank = 18 - 110 = 5 - 440 = 140 Therefore, the leak empties the tank in 40 hours.

प्र: If 'A $ B' means 'A is brother of B', 'A @ B' means 'A is wife of B', 'A #B' means ' A is daughter of B' and 'A * B' means 'A is father of B', then which of the following expressions indicates the relationship 'U is father-in-law of P ? 2482 0

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    P@Q$T#U*W
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    P@Q$T#W*U
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    P@W$Q*T#U
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  • 4
    P@Q$W*T#U
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उत्तर : 1. "P@Q$T#U*W"
व्याख्या :

Answer: A) P@Q$T#U*W Explanation: Here the P is the wife of Q who is brother of T who is daughter of U. That implies P is wife of U's son Q => U is father-in-law of P.

प्र: Rita ? into the cellar. Which of the following words best suitable in the place of '?' 2481 0

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    ascended
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    rescinded
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    descended
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    intended
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उत्तर : 3. "descended"
व्याख्या :

Answer: C) descended Explanation: Rita descended into the cellar. Descended means went down. As the cellar is in the basement, she must go down. Options and meanings ::  descended  -  went down  rescinded   - cancelled or annulled ascended   - went up  intended    - meant

प्र: Who became the fastest bowler to get to 250 wickets in the test matches ? 2479 0

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    K. Rabada
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  • 2
    R. Ashwin
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  • 3
    T G Southee
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  • 4
    Jadeja
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उत्तर : 2. "R. Ashwin"
व्याख्या :

Answer: B) R. Ashwin Explanation: Indian Cricket team off-spin specialist Ravichandran Ashwin has become the fastest cricketer to take 250 wickets in the Test matches. Ashwin surpassed Australian fast bowler Dennis Keith Lillee to reach the milestone of 250 Test wicket. Thus Ravichandran Ashwin has become the sixth Indian bowler to reach 250 test wickets.

प्र: Galileo was an Italian Astronomer who 2478 0

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    Discovered 4 satellites of Mars
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    Developed the Telescope
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    Discovered that the movement of pendulum produces a regular time measurement
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    Both B & C
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उत्तर : 4. "Both B & C"
व्याख्या :

Answer: D) Both B & C Explanation: Galileo Galilei (1564-1642) was an Italian Astronomer who        1) Discovered 4 satellites of Jupiter 2) Developed Telescope   3) Discovered that the movement of pendulum produces a regular time measurement He is Physicist, Mathematician, inventor, and philosopher Too.

प्र: If Theresa's daughter is my daughter's mother, what am I to Theresa? 2477 0

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    Son-in-law
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    Daughter-in-law
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    Grand mother
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  • 4
    Grand Daughter
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उत्तर : 1. "Son-in-law"
व्याख्या :

Answer: A) Son-in-law Explanation: Given that If Theresa's daughter is my daughter's mother It has 2 ways of Answers such that it depends on the sex of me. That is Male or Female.   1) If I am a Male : My daughter's mother is my wife. My wife is Teresa's daughter => I am Teresa's Son-in-law.   2) If I am a Female : My daughter's mother is myself. Myself Teresa's daughter. => I am Teresa's Daughter.   But in the given options only Son-in-law is available and daughter is not given.   So, Son-in-law is correct.

प्र: One girl can eat 112 chocolates in half a minute, and her boy friend can eat half as many in twice the length of time. How many chocolates can both boy and girl eat in 12 seconds ? 2477 0

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    44
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    32
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    56
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    49
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उत्तर : 3. "56"
व्याख्या :

Answer: C) 56 Explanation: Girl eats 112 chocolates in 30 sec so she can eat in 12 sec is 12 x 112/30 = 44.8 chocolates.   Her boy friend can eat one-half of 112 in twice of 30 sec so he can eat 56 in 60 sec Then he can eat in 12 sec is 56 x 12/60 = 11.2 chocolates.   Hence, together they can eat = 44.8 + 11.2 =56 chocolates in 12 seconds.

प्र: Madhu started a business and he invested in 76000, After some month, Amar came to join with him and invest 57000.The end of the year the total profit was divided among them into ratio form 2 : 1.Find after how many months Amar join. 2477 0

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    7 months
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    8 months
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    3 months
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    4 months
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उत्तर : 4. "4 months"
व्याख्या :

Answer: D) 4 months Explanation: we can assume that Amar join into business after x months. So Amar money was invest into  (12 – x ) months.   76000×1257000×(12-x)=21   --> 912000 = 114000 ( 12 – x ) = 114 ( 12 – x ) = 912 --> x = 4 After 4 months amar join the business.

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