Maths Practice Question and Answer

Q:

A sum of money is invested at 20 % compound interest (compounded annually). It would fetch 723 more if interest is compound half-yearly. The sum is –

2145 0

  • 1
    ₹ 20,000
    Correct
    Wrong
  • 2
    ₹ 7,500
    Correct
    Wrong
  • 3
    ₹ 72,300
    Correct
    Wrong
  • 4
    ₹ 30,000
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 3. "₹ 72,300 "

Q: Average height of 40 girls is 148 cm. Average of remaining number is 150 cm. What will be the average of total class if there are 50 girls in the class? 2144 0

  • 1
    148.8 cm
    Correct
    Wrong
  • 2
    149.2 cm
    Correct
    Wrong
  • 3
    148.4 cm
    Correct
    Wrong
  • 4
    144 cm
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 3. "148.4 cm"
Explanation :

undefined

Q: Rekha is 25 years younger to her mother. Ten years back their ages were in the ratio of 1:6. Present age of mother is 2143 0

  • 1
    25
    Correct
    Wrong
  • 2
    40
    Correct
    Wrong
  • 3
    35
    Correct
    Wrong
  • 4
    15
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 2. "40"

Q:

Two years ago, the average age of Ram and Shyam was 26 years. Five years hence, the age of Ram will be 40 years and Shyam is 5 years younger than Mohan, then find the difference between the age of Ram and Mohan.

2141 0

  • 1
    7 years
    Correct
    Wrong
  • 2
    2 years
    Correct
    Wrong
  • 3
    4 years
    Correct
    Wrong
  • 4
    5 years
    Correct
    Wrong
  • 5
    None of these
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 5. "None of these"

Q:

Find the area of the shaded region if the radius of each of the circle is 1 cm.

2138 1

  • 1
    $$ 2-{π\over3}$$
    Correct
    Wrong
  • 2
    $$ \sqrt{3}-{π\over2}$$
    Correct
    Wrong
  • 3
    $$ \sqrt{3}-{π}$$
    Correct
    Wrong
  • 4
    $$ \sqrt{3}-{π\over4}$$
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 1. "$$ 2-{π\over3}$$"

Q:

The annual payment of Rs.1000 in  5 years at 4% per annum simple interest will discharge a debt of

2137 1

  • 1
    Rs.5440
    Correct
    Wrong
  • 2
    Rs.5400
    Correct
    Wrong
  • 3
    Rs.5600
    Correct
    Wrong
  • 4
    Rs.5800
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 2. "Rs.5400"

Q:

Find the greatest number that will divide 390, 495 and 300 without leaving a remainder. 

2136 0

  • 1
    25
    Correct
    Wrong
  • 2
    35
    Correct
    Wrong
  • 3
    5
    Correct
    Wrong
  • 4
    15
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 4. "15 "

Q:

If sinθ + cosecθ = 2, then the value of $$ sin^9 θ +cosec^9θ $$ is –

2135 0

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

Answer : 4. "2"

      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