Maths Practice Question and Answer

Q:

Price of sugar rises by 20%. By how much percent should the consumption of sugar be reduced so that the expenditure does not change?

1498 0

  • 1
    20
    Correct
    Wrong
  • 2
    25
    Correct
    Wrong
  • 3
    $$ 16{2\over3}$$
    Correct
    Wrong
  • 4
    $$ 18{2\over3}$$
    Correct
    Wrong
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Answer : 3. "$$ 16{2\over3}$$"

Q:

Let D and E be two points on the side BC of △ABC such that AD = AE and BAD = ∠EAC. If AB = (3x+1) cm, BD=9 cm, AC = 34 cm and EC = (y+1) cm, then the value of (x + y) is:

1498 0

  • 1
    19
    Correct
    Wrong
  • 2
    16
    Correct
    Wrong
  • 3
    17
    Correct
    Wrong
  • 4
    20
    Correct
    Wrong
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Answer : 1. "19"

Q:

The ratio of coins of 50 paisa, 25 paisa, and 10 paisa is 4:3:2. Find the total amount if the number of coins is 90.

1497 0

  • 1
    27.50
    Correct
    Wrong
  • 2
    62.50
    Correct
    Wrong
  • 3
    31.50
    Correct
    Wrong
  • 4
    29.50
    Correct
    Wrong
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Answer : 4. "29.50"

Q:

The ratio of the present ages of A and B is 16:7. After 12 years, A’s age is twice B’s age then find the present ages of A and B.

1497 0

  • 1
    64yr; 28yr
    Correct
    Wrong
  • 2
    80yr; 35yr
    Correct
    Wrong
  • 3
    None of these
    Correct
    Wrong
  • 4
    96yr; 42 yr
    Correct
    Wrong
  • 5
    102yr; 49yr
    Correct
    Wrong
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Answer : 4. "96yr; 42 yr"

Q:

When (6767 +67) is divided by 68, the remainder is-

1496 0

  • 1
    13
    Correct
    Wrong
  • 2
    63
    Correct
    Wrong
  • 3
    66
    Correct
    Wrong
  • 4
    67
    Correct
    Wrong
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Answer : 3. "66"
Explanation :

(6767+ 67) = 67(6766 + 166)

As 66 is an even number

We know   6766 is an even number

We know   (6766 + 1) is perfectly divisible by (67 + 1)

i.e. 68

We know   The remainder = 66

(6767+ 67) = 67(6766 + 166)

Q:

In the figure below, find the value of AB.

1496 0

  • 1
    $$ {\sqrt{ 120}}$$
    Correct
    Wrong
  • 2
    $$ {\sqrt{ 112}}$$
    Correct
    Wrong
  • 3
    $$ {\sqrt{ 140}}$$
    Correct
    Wrong
  • 4
    $$ {\sqrt{ 129}}$$
    Correct
    Wrong
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Answer : 2. "$$ {\sqrt{ 112}}$$"

Q:

The selling price of an article is Rs. 1920 and the discount given is 4%. The market price of the article is -

1496 0

  • 1
    Rs.1600
    Correct
    Wrong
  • 2
    Rs.1200
    Correct
    Wrong
  • 3
    Rs.2400
    Correct
    Wrong
  • 4
    Rs. 2000
    Correct
    Wrong
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Answer : 4. "Rs. 2000 "

Q:

In the first 10 overs of a cricket game, the run rate was only 7.2. What should be the average run rate in the remaining 40 overs to reach the target of 272 runs? 

1496 0

  • 1
    4
    Correct
    Wrong
  • 2
    5
    Correct
    Wrong
  • 3
    6
    Correct
    Wrong
  • 4
    7
    Correct
    Wrong
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Answer : 3. "6 "

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