IIT JEE Practice Question and Answer

Q: The accounting software Tally was developed by 3202 0

  • 1
    Wipro
    Correct
    Wrong
  • 2
    TCS
    Correct
    Wrong
  • 3
    HCL
    Correct
    Wrong
  • 4
    Infosys
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 2. "TCS"
Explanation :

Answer: B) TCS Explanation: Tally is one of the best business accounting software for accounting, inventory, payroll. It is economical and one of the most popular ERP software solutions available in the industry. Tally, an accounting software was developed by the multinational company TCS - Tata Consultancy Services.

Q: How many 7 digit numbers can be formed using the digits 1, 2, 0, 2, 4, 2, 4? 3199 0

  • 1
    120
    Correct
    Wrong
  • 2
    360
    Correct
    Wrong
  • 3
    240
    Correct
    Wrong
  • 4
    424
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 2. "360"
Explanation :

Answer: B) 360 Explanation: There are 7 digits 1, 2, 0, 2, 4, 2, 4 in which 2 occurs 3 times, 4 occurs 2 times.    Number of 7 digit numbers = 7!3!×2! = 420   But out of these 420 numbers, there are some numbers which begin with '0' and they are not 7-digit numbers. The number of such numbers beginning with '0'.   =6!3!×2! = 60   Hence the required number of 7 digits numbers = 420 - 60 = 360

Q: Excretion is best described as the removal of 3198 0

  • 1
    Undigested material from the digestive tract
    Correct
    Wrong
  • 2
    Metabolic wastes from a cell
    Correct
    Wrong
  • 3
    Toxic wastes by the process of cyclosis
    Correct
    Wrong
  • 4
    Water molecules from dipeptide hydrolysis
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 2. "Metabolic wastes from a cell"
Explanation :

Answer: B) Metabolic wastes from a cell Explanation: Excretion is best described as the removal of Metabolic wastes from a cell.

Q: 80% of 900 + 162 x 4 x ? = 113 - 99 3197 0

  • 1
    0.5
    Correct
    Wrong
  • 2
    1
    Correct
    Wrong
  • 3
    4
    Correct
    Wrong
  • 4
    0
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 1. "0.5"
Explanation :

Answer: A) 0.5 Explanation: 80x900/100 + 256 x 4 x ? = 1331 - 99 720 + 1024 x ? = 1232 ? = 1232 - 720/1024 ? = 512/1024 = 0.5 ? = 0.5

Q: In a certain code, MONKEY is written as XDJMNL. How is TIGER written in that code ? 3192 0

  • 1
    SHFDQ
    Correct
    Wrong
  • 2
    HFDSQ
    Correct
    Wrong
  • 3
    RSAFD
    Correct
    Wrong
  • 4
    QDFHS
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 4. "QDFHS"
Explanation :

Answer: D) QDFHS Explanation: The letter of the word are written in a reverse order and then each letter is moved one step backward to obtain the code.

Q: The basic operations performed by a computer are 3192 0

  • 1
    Logical operation
    Correct
    Wrong
  • 2
    Storage and relative
    Correct
    Wrong
  • 3
    Arithmetic operation
    Correct
    Wrong
  • 4
    All the above
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 4. "All the above"
Explanation :

Answer: D) All the above Explanation: The basic operations performed by a computer are Arithmetic operation, Logical operation and Storage and relative.

Q: Which statement best describes Arteries? 3190 0

  • 1
    They have thin walls and transport blood away from the heart
    Correct
    Wrong
  • 2
    They have thick walls and transport blood toward the heart
    Correct
    Wrong
  • 3
    They have thin walls and transport blood toward the heart
    Correct
    Wrong
  • 4
    They have thick walls and transport blood away from the heart
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 4. "They have thick walls and transport blood away from the heart"
Explanation :

Answer: D) They have thick walls and transport blood away from the heart Explanation: Because arteries have to have thick walls for use of protection. Its when you get to veins where the walls get thinner. And the use of the heart is to pump blood to all of the cells and organs in the body so it would be to transport blood away from the heart. i.e.  Arteries = Away from the Heart Veins = Back to the Heart.

Q: Antibiotics are mostly obtained from 3190 1

  • 1
    Viruses
    Correct
    Wrong
  • 2
    Fungi
    Correct
    Wrong
  • 3
    Bacteria
    Correct
    Wrong
  • 4
    Angiosperms
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 2. "Fungi"
Explanation :

Answer: B) Fungi Explanation:

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully