GRE प्रश्न और उत्तर का अभ्यास करें

प्र: P and Q were assigned to do a work for an amount of 1200. P alone can do it in 15 days while Q can do it in 12 days. With the help of R they finish the work in 6 days. Find the share of R ? 3733 0

  • 1
    120
    सही
    गलत
  • 2
    240
    सही
    गलत
  • 3
    360
    सही
    गलत
  • 4
    180
    सही
    गलत
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उत्तर : 1. "120"
व्याख्या :

Answer: A) 120 Explanation: 1/15 + 1/12 + 1/R = 1/6, we got R = 60 (it means R will take 60 days to complete the work alone) so ratio of work done by P:Q:R = 1/15 : 1/12 : 1/60 = 5 : 4 : 1 so R share = (1/10) x 1200 = 120.

प्र: A does half as much work as Band C does half as much work as A and B together. If C alone can finish the work in 40 days, then together ,all will finish the work in  ? 3726 0

  • 1
    17 + 4/7 days
    सही
    गलत
  • 2
    13 + 1/3 days
    सही
    गलत
  • 3
    15 + 3/2 days
    सही
    गलत
  • 4
    16 days
    सही
    गलत
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उत्तर : 2. "13 + 1/3 days"
व्याख्या :

Answer: B) 13 + 1/3 days Explanation: C alone can finish the work in 40 days.As given C does half as much work as A and B together => (A + B) can do it in 20 days(A + B)s 1 days wok = 1/20.A's 1 days work : B's 1 days Work = 1/2 : 1 = 1:2(given)A's 1 day’s work = (1/20) x (1/3) = (1/60) [Divide 1/20 in the raio 1:2]B's 1 days work = (1/20) x (2/3) = 1/30(A+B+C)'s 1 day's work = (1/60) + (1/30) + (1/40) = 9/120 = 3/40 All the three together will finish it in 40/3 = 13 and 1/3 days.

प्र: The value of a machine depreciates at the rate of 10% every year. It was purchased 3 years ago. If its present value is Rs. 8,748, its purchase price was ? 3725 0

  • 1
    Rs.14,000
    सही
    गलत
  • 2
    Rs.12,000
    सही
    गलत
  • 3
    Rs. 12,800
    सही
    गलत
  • 4
    Rs. 15,000
    सही
    गलत
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उत्तर : 2. "Rs.12,000"
व्याख्या :

Answer: B) Rs.12,000 Explanation: We have P = 8748, R = -10 and n = 3Therefore, the purchase price of the machine= P1+R100n= 87481-101003= 8748 x (100/90) x (100/90) x (100/90)= 12,000.   Therefore, the purchase price of the machine was Rs. 12,000.

प्र: Mother’s age today is thrice as her daughter’s. After 10 years it would be just double. How old is the daughter today ? 3724 0

  • 1
    8 years
    सही
    गलत
  • 2
    9 years
    सही
    गलत
  • 3
    10 years
    सही
    गलत
  • 4
    11 years
    सही
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उत्तर : 3. "10 years"
व्याख्या :

Answer: C) 10 years Explanation: Let the age of the daughter today be ‘x’ years. Mother’s age today = 3x years After 10 years, we have 3x + 10 = 2(x + 10) x = 10 years.

प्र: In a certain code ARCHIVE is written as DSBGFWJ. How is SYSTEMS is written in that code ? 3723 0

  • 1
    TZTSTUN
    सही
    गलत
  • 2
    TZTSTNF
    सही
    गलत
  • 3
    TZTUTNF
    सही
    गलत
  • 4
    TZTNTFS
    सही
    गलत
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उत्तर : 2. "TZTSTNF"
व्याख्या :

Answer: B) TZTSTNF Explanation: ARC -> CRA ->(+1) DSB    H ->     H ->(-1) GIVE  ->  EVI ->(+1) FWJ  Similarly,  SYS -> SYS ->(+1) TZT    T ->     T ->(-1) SEMS -> SME ->(+1) TNF

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उत्तर :
व्याख्या :

Answer: 1) Rajesh's wife is Mrs. Veena and she is a lawyer. Answer: 2) The family doesn't have Ankith's grandfather. So, we can't determine.

प्र: Describe a situation in which you had to arrive at a compromise or guide others to a compromise ? 3716 0

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उत्तर :
व्याख्या :

This question is designed to see how well you can mediate a situation and handle conflict. You want to come across as someone who can compromise when necessary. An interviewer wants to see that you can not only reach an outcome that is desirable for both sides of a conflict of interest, but also that you can understand where the other person is coming from. Empathy and understanding go a long way in any job and this is a good opportunity to show that you can put yourself in another’s shoes.

प्र: How is my father's brother's only sibling's mother related to my sister's only brother ? 3709 0

  • 1
    Neice
    सही
    गलत
  • 2
    Aunt
    सही
    गलत
  • 3
    Mother
    सही
    गलत
  • 4
    Grand-mother
    सही
    गलत
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उत्तर : 4. "Grand-mother"
व्याख्या :

Answer: D) Grand-mother Explanation: My father's brother's only sibling is my father. My father's mother is my grandmother. My sister's only brother is myself. So she is my Grandmother.

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