IIT JEE Practice Question and Answer

Q: A sweet seller sells 3/5th part of sweets at a profit of 10% and remaining at a loss of 5%. If the total profit is Rs 1500, then what is the total cost price of sweets ? 6091 0

  • 1
    Rs.37,500
    Correct
    Wrong
  • 2
    Rs.36,400
    Correct
    Wrong
  • 3
    Rs.37,415
    Correct
    Wrong
  • 4
    Rs.36,500
    Correct
    Wrong
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Answer : 1. "Rs.37,500"
Explanation :

Answer: A) Rs.37,500 Explanation: Assume A be the cost price.   Therefore,35×A×10100 - 25×A×5100 = 1500   =>  A = Rs 37,500.

Q: A web page is located using a 6059 0

  • 1
    Universal Record Locator
    Correct
    Wrong
  • 2
    Universal Resource Locator
    Correct
    Wrong
  • 3
    Uniform Record Linking
    Correct
    Wrong
  • 4
    Universal Record Linking
    Correct
    Wrong
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Answer : 2. "Universal Resource Locator"
Explanation :

Answer: B) Universal Resource Locator Explanation: A web page is located using a URL (Universal Resource Locator). Universal Resource Locator is also known as web address.   It basically refers to a web resource which is meant for the specification of its location on the network of computer. It is also a mechanism through which information can be retrieved.

Q: What bet can never be won? 6022 0

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Answer :
Explanation :

ALPHABET is the bet can never be won.

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Answer : 3. "528"
Explanation :

Answer: C) 528 Explanation: Assume x soldiers join the fort. 1200 soldiers have provision for 1200 (days for which provisions last them)(rate of consumption of each soldier)= (1200)(30)(3) kg. Also provisions available for (1200 + x) soldiers is (1200 + x)(25)(2.5) k As the same provisions are available=> (1200)(30)(3) = (1200 + x)(25)(2.5) x = ([(1200)(30)(3)] / (25)(2.5)) - 1200 => x = 528.

Q: How many times can you subtract 10 from 100? 5890 0

  • 1
    9 times
    Correct
    Wrong
  • 2
    10 times
    Correct
    Wrong
  • 3
    1 time
    Correct
    Wrong
  • 4
    0 times
    Correct
    Wrong
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Answer : 3. "1 time"
Explanation :

Answer: C) 1 time Explanation: How many times can you subtract 10 from 100, for this if we go through logically, it is only 1 time. For the first time if we subtract 10 from 100, then there will no 100 to subtract from.   Hence, it is only 1 time we can subtract 10 from 100.

Q: The marks obtained by Vijay and Amith are in the ratio 4:5 and those obtained by Amith and Abhishek in the ratio of 3:2. The marks obtained by Vijay and Abhishek are in the ratio of ? 5889 0

  • 1
    4:5
    Correct
    Wrong
  • 2
    6:5
    Correct
    Wrong
  • 3
    3:2
    Correct
    Wrong
  • 4
    1:3
    Correct
    Wrong
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Answer : 2. "6:5"
Explanation :

Answer: B) 6:5 Explanation:     4:5    3:2   -------=> 12:15:10  12:10 => 6:5

Q: 64 boys and 40 girls form a group for social work. During their membership drive, the same number of boys and girls joined the group. How many members does the group have now, if the ratio of boys to girls is 4:3 ? 5887 0

  • 1
    168
    Correct
    Wrong
  • 2
    201
    Correct
    Wrong
  • 3
    147
    Correct
    Wrong
  • 4
    154
    Correct
    Wrong
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Answer : 1. "168"
Explanation :

Answer: A) 168 Explanation: Let us say x boys and x girls joined the group. (64 + x)/(40 + x) = 4/3 192 + 3x = 160 + 4x => x = 32 Number of members in the group = 64 + x + 40 + x = 104 + 2x = 168.

Q: If 78K928L is divisible by 6, then which of the following can Q and R take ? 5887 0

  • 1
    K=2 & L=3
    Correct
    Wrong
  • 2
    K=1 & L=4
    Correct
    Wrong
  • 3
    K=1 & L=2
    Correct
    Wrong
  • 4
    K=3 & L=3
    Correct
    Wrong
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Answer : 2. "K=1 & L=4"
Explanation :

Answer: B) K=1 & L=4 Explanation: As per divisibility rule a number is divisible by 6 means it should be divisible by 2 and 3 case 1 : the divisibility rule for 2 is the number should be end with even number in this case R =2 & R=4 case 2 : The divisibility rule for 3 is the sum of numbers should be divisible by 3so if we take option (2) Q=1 & R=4 the sum is 39 if we take option (3) Q=1 & R=2 the sum is 37 So Option (2) is correct 39 is divided by 3

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