High School

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**Solve the following:**

(a) There are 50 children in Ayesha's building and 34 children in Amira's building. How many children are there in both buildings?

(b) Namita has 63 beads and Sally has 52 beads. How many beads do they have altogether?

(c) Bablu has 24 pencils, Manav has 42 pencils, and Paul has 39 pencils. How many pencils do they have altogether?

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**Multiple Choice Questions (M.C.Q):**

1. Which of the following is 3 more than 73 + 48?
- (a) 120
- (b) 121
- (c) 124
- (d) 140

2. If the value of x = 56 and y = 34, what is the value of x + y?
- (a) 100
- (b) 90
- (c) 80
- (d) 70

3. Which of the following is correct?
- (a) 43 + 27 = 60
- (b) 75 + 18 = 94
- (c) 101 + 39 = 145
- (d) 122 + 45 = 167

Answer :

Let's solve the given problems step by step:

(a) Calculate the total number of children in both buildings:

Ayesha's building has 50 children, and Amira's building has 34 children. To find the total number of children in both buildings, we add these two numbers together:

[tex]50 + 34 = 84[/tex]

So, there are 84 children in total in both buildings.

(b) Calculate the total number of beads Namita and Sally have:

Namita has 63 beads, and Sally has 52 beads. To find the total number of beads, we add these quantities:

[tex]63 + 52 = 115[/tex]

So, Namita and Sally have 115 beads altogether.

(c) Calculate the total number of pencils Bablu, Manav, and Paul have:

  • Bablu has 24 pencils.
  • Manav has 42 pencils.
  • Paul has 39 pencils.

Add the number of pencils each person has to find the total:

[tex]24 + 42 + 39 = 105[/tex]

Thus, Bablu, Manav, and Paul have 105 pencils altogether.

Multiple Choice Questions:

  1. Determine which number is 3 more than [tex]73 + 48[/tex]:

First, calculate [tex]73 + 48[/tex]:

[tex]73 + 48 = 121[/tex]

Now, add 3 to the result:

[tex]121 + 3 = 124[/tex]

The correct answer is (c) 124.

  1. Calculate [tex]x + y[/tex] where [tex]x = 56[/tex] and [tex]y = 34[/tex]:

[tex]x + y = 56 + 34 = 90[/tex]

The correct answer is (b) 90.

  1. Which of the following calculations is correct?

  • [tex]a) 43 + 27 = 70[/tex] (this is incorrect as 43 + 27 = 70, not 60)
  • [tex]b) 75 + 18 = 93[/tex] (this is incorrect as 75 + 18 = 93, not 94)
  • [tex]c) 101 + 39 = 140[/tex] (this is incorrect as 101 + 39 = 140, not 145)
  • [tex]d) 122 + 45 = 167[/tex] (this is correct)

The correct calculation is: (d) 122 + 45 = 167.

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Rewritten by : Barada