IIT JEE Practice Question and Answer

Q: Bad loans in banking terminology are generally known as 3633 0

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    NPA's
    Correct
    Wrong
  • 2
    Prime loans
    Correct
    Wrong
  • 3
    BPO's
    Correct
    Wrong
  • 4
    Prime Assets
    Correct
    Wrong
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Answer : 1. "NPA's"
Explanation :

Answer: A) NPA's Explanation: Bad loans in banking terminology are generally known as NPA's. A Non - performing Asset (NPA) is defined as a credit facility in respect of which the interest and installment of principal have remained 'past due' for a specified period of time.

Q: At 6′o clock a clock ticks 6 times. The time between first and last ticks is 30 seconds. How long does it tick at 12′o clock ? 3630 0

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    66 sec
    Correct
    Wrong
  • 2
    55 sec
    Correct
    Wrong
  • 3
    36 sec
    Correct
    Wrong
  • 4
    24 sec
    Correct
    Wrong
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Answer : 1. "66 sec"
Explanation :

Answer: A) 66 sec Explanation: For ticking 6 times, there are 5 intervals. Each interval has time duration of 30/5 = 6 secs At 12 o'clock, there are 11 intervals,so total time for 11 intervals = 11 x 6 = 66 secs.

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Answer : 3. "16/25"
Explanation :

Answer: C) 16/25 Explanation: If there are total 100 candidates, 40 candidates are really capable and 60 candidates are incapable.Of the candidates who are really capable = 80% 40*(80/100)=32 pass the test andof the incapable= 30%60*(30/100)=18 pass the test.Total candidates who passed the test = 32+18 = 50The proportion of the really capable students who can pass the test to the total students who can pass = 32/50 = 16/25.

Q: Fresh grapes contain 60% water, while dry grapes contain 40% water. How many kgs of dry grapes can be obtained by 60 kg of fresh grapes? 3623 0

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    25 kgs
    Correct
    Wrong
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    30 kgs
    Correct
    Wrong
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    35 kgs
    Correct
    Wrong
  • 4
    40 kgs
    Correct
    Wrong
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Answer : 4. "40 kgs"
Explanation :

Answer: D) 40 kgs Explanation: The fruit content in both the fresh fruit and dry fruit is the same. Let 'p' kgs of dry grapes are obtained from the 60 kgs of fresh grapes   => 60 x 40100 = p x 60100=> p = 40 kgs.   Therefore, 40 kgs of Dry grapes are obtained from 60 kgs of Fresh grapes.

Q: Complete the missing number in the given series. 5,  20,  76,  (—),  448 3618 0

  • 1
    185
    Correct
    Wrong
  • 2
    225
    Correct
    Wrong
  • 3
    415
    Correct
    Wrong
  • 4
    232
    Correct
    Wrong
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Answer : 2. "225"
Explanation :

Answer: B) 225 Explanation: The series follows the following pattern 5 X 5 – 5 = 20 20 X 4 – 4 = 76 76 X 3 – 3 = 225 225 X 2 – 2 = 448 Hence, the term 225 denoted by (d) completes the series

Q: When is genetic drift a major factor in evolution? 3615 0

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    When there is male competition
    Correct
    Wrong
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    When there is artificial selection
    Correct
    Wrong
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    When there is no selective pressure
    Correct
    Wrong
  • 4
    When there is disruptiveselection
    Correct
    Wrong
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Answer : 3. "When there is no selective pressure"
Explanation :

Answer: C) When there is no selective pressure Explanation: Genetic drift or allelic drift is the change in the relative frequency in which a gene variant (allele) occurs in a population due to random sampling and chance.   When is genetic drift a major factor in evolution is * When there is low gene flow. * When there is no selective pressure. * When there is a bottleneck.

Q: Two men A and B start from place X walking at 4 ½ kmph and 5 ¾ kmph respectively. How many km apart they are at the end of 3 ½ hours if they are walking in the same direction ? 3610 0

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    2 9/7 km
    Correct
    Wrong
  • 2
    3 7/5 km
    Correct
    Wrong
  • 3
    1 3/4 km
    Correct
    Wrong
  • 4
    4 3/8 km
    Correct
    Wrong
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Answer : 4. "4 3/8 km"
Explanation :

Answer: D) 4 3/8 km Explanation: Relative Speed = 5 ¾ - 4 ½ = 1 ¼ Time = 3 ½ h. Distance = 5/4 x 7/2 = 35/8 = 4 3/8 km.

Q: Rs.1500 is divided into two parts such that if one part is invested at 6% and the other at 5% the whole annual interest from both the sum is Rs.85. How much was lent at 5% ? 3603 0

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    Rs. 500
    Correct
    Wrong
  • 2
    Rs. 245
    Correct
    Wrong
  • 3
    Rs. 1250
    Correct
    Wrong
  • 4
    Rs. 635
    Correct
    Wrong
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Answer : 1. "Rs. 500"
Explanation :

Answer: A) Rs. 500 Explanation: (kx5x1)/100 + [(1500 - k)x6x1]/100 = 85 5k/100 + 90 – 6k/100 = 85 k/100 = 5 => k = 500

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