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Example:
LCM (least common multiple) of 3 and 6
3
6
9
Grades:
Example: 1, __ , 3, 4, 5; mean=3
Step 1: Let N be the missing number.
Step 2: We know, Mean = (Sum of all numbers)/(Number of numbers);
Therefore, Sum of all numbers = Mean x Number of numbers
→ 1 + N + 3 + 4 + 5 = 3 x 5 → N + 13 = 15 → N = 15-13 → N = 2
Step 1: Let N be the missing number.
Step 2: We know, Mean = (Sum of all numbers)/(Number of numbers);
Therefore, Sum of all numbers = Mean x Number of numbers
→ 1 + N + 3 + 4 + 5 = 3 x 5 → N + 13 = 15 → N = 15-13 → N = 2
Grades:
Example: I am made of a vertical and a horizontal line. Who am I?
right angle
Grades:
Example: What is twice the radius?
chord
diameter
circumference
Grades:
Example: What time is it?
12:00
6:00
6:30
Grades:
Example: I three sides and three edges. Who am I?
triangle
Grades:
Example:
14
x 5
70
Grades:
Example:
2
1
3
Answer:
1
2
3
Grades:
Instructions:
1. Read the given question.
2. Find the sum of its prime factors.
3. Click the correct number type.
1. Read the given question.
2. Find the sum of its prime factors.
3. Click the correct number type.
Grades:
Example:
10
+ 2
8
12
11
Grades:
Example:
3:7
7
3
4
7
3
7
Grades:
Example: What is 36050 rounded to the nearest ten thousand?
37000
Grades:
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