IIT JEE Practice Question and Answer

Q: A man reduces his travelling time by a fraction of 2/5, as a result the distance covered by the man is increased by 20%, find the percentage increase in the speed of the man ? 1575 0

  • 1
    77%
    Correct
    Wrong
  • 2
    88%
    Correct
    Wrong
  • 3
    100%
    Correct
    Wrong
  • 4
    99%
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 3. "100%"
Explanation :

Answer: C) 100% Explanation:

Q: Molar mass of HNO3? 1575 0

  • 1
    63 g/mol
    Correct
    Wrong
  • 2
    53 g/mol
    Correct
    Wrong
  • 3
    48 g/mol
    Correct
    Wrong
  • 4
    52 g/mol
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 1. "63 g/mol"
Explanation :

Answer: A) 63 g/mol Explanation: Calculation of molar mass of HNO3: Atomic masses of H, N, O are 1, 14, 16 respectively Now the molar mass of HNO3 is HNO3 = 1X1 + 1X14 + 3X16 = 1 + 14 + 48 = 63 g/mol or amu.

Q: If a solid sphere of radius 10 cms is moulded into 8 spherical solid balls of equal radius, then surface area of each ball (in sq.cm) is ? 1574 0

  • 1
    100 π
    Correct
    Wrong
  • 2
    101/π
    Correct
    Wrong
  • 3
    99 π/12
    Correct
    Wrong
  • 4
    54/13π
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 1. "100 π"
Explanation :

Answer: A) 100 π Explanation: 4/3 π x 10 x 10 x 10 = 8 x 4/3 π x r x r x rr = 54π x 5 x 5 = 100π

Q: What position did Babe Ruth play 1574 0

  • 1
    Only 1st base
    Correct
    Wrong
  • 2
    Both pitcher and out fielder
    Correct
    Wrong
  • 3
    Only out fielder
    Correct
    Wrong
  • 4
    Only pitcher
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 2. "Both pitcher and out fielder"
Explanation :

Answer: B) Both pitcher and out fielder Explanation:

Q: What time of year do squirrels build nests? 1574 0

  • 1
    Winter
    Correct
    Wrong
  • 2
    Summer
    Correct
    Wrong
  • 3
    Rainy
    Correct
    Wrong
  • 4
    Monsoon
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 2. "Summer"
Explanation :

Answer: B) Summer Explanation: Squirrels typically build leaf nests in the summer by weaving together small branches they've gnawed off of trees. These nests are lined with grass, moss, leaves and pine needles. Both male and female gray squirrels of all ages participate in building dens.

Q: The yield to maturity on a discount bond is 1574 0

  • 1
    equal to both the coupon rate / current yeild
    Correct
    Wrong
  • 2
    less than the current yeild but greater than the coupon rate
    Correct
    Wrong
  • 3
    greater than both the coupon rate / current yeild
    Correct
    Wrong
  • 4
    equal to the current yeild but greater than the coupon rate
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 1. "equal to both the coupon rate / current yeild"
Explanation :

Answer: A) equal to both the coupon rate / current yeild Explanation: Yield to maturity is a concept for fixed rate bonds and is the internal rate of return i.e. the rate at which future flows are discounted on a compound basis to give the present value of the bond including accrued interest.

Q: Vision can be affected by drugs and alcohol making, especially difficult to distinguish 1573 0

  • 1
    Light
    Correct
    Wrong
  • 2
    Colors
    Correct
    Wrong
  • 3
    Distance
    Correct
    Wrong
  • 4
    Shapes
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 2. "Colors"
Explanation :

Answer: B) Colors Explanation: Drinking alcohol can cause many damages to your body. Your vision can be affected as you will face blurred and double vision and even you can't identify colors.

Q: What is located at 180 degrees longitude? 1573 0

  • 1
    Fiji
    Correct
    Wrong
  • 2
    Russia
    Correct
    Wrong
  • 3
    Antarctica
    Correct
    Wrong
  • 4
    All of the above
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 4. "All of the above"
Explanation :

Answer: D) All of the above Explanation: The 180th meridian or antimeridian is the meridian 180° east or west of the Prime Meridian, with which it forms a great circle dividing the earth into the Western and Eastern Hemispheres. It is common to both east longitude and west longitude. It is used as the basis for the International Date Line because it mostly passes through the open waters of the Pacific Ocean. However, the meridian passes through Russia and Fiji as well as Antarctica.

      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