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Class 7
Math
Example [M-7.4]
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Q 1.
Solve the following equation: 6(k − 2) = − 3
3/2
1/2
2
2/3
Q2.
Milk ordered by a tea shop is given below for 15 days: 2, 4, 3, 2, 5, 4, 6, 3, 2, 1, 3, 4, 6, 5, 1. Find median of these numbers ?
1
2
3
4
Q3.
Solve the following equation: − 2(k + 3/5) = − 1
1/10
− 1/10
2/5
1/5
Q4.
In a music class, there are following students enrolled to learn guitar in last ten years: 22, 26, 31, 19, 17, 21, 26, 32, 38, 28. Find the mean enrolment numbers for last year ?
12
31
22
26
Q5.
A big box of chocolate can contain 7 small boxes of chocolate and 6 additional loose chocolates. Total number of chocolates in the big box is 90. Write proper equation to get number of chocolates in each small box.
7x − 6 = 90
7x + 6 = 90
7x − 6 = 60
5x + 6 = 90
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Q6.
Write the following statements in the form of equation: "One third of a number plus 5 is 8".
z/3 + 5 = 8
z/3 − 5 = 8
z/3 + 8 = 5
z/3 − 8 = 5
Q7.
Find the mode of the following set of numbers: 2, 6, 5, 3, 0, 3, 4, 3, 2, 4, 5, 2, 3, 5, 2, 4.
4
2
0 and 2
2 and 3
Q8.
Write the following statements in the form of equation: "One third of m is 4 more than 12".
m/3 + 12 = 4
m/3 − 4 = 12
m/3 − 12 = 4
m/3 + 4 = 12
Q9.
Convert the following equations in statement form: a/5 − 7 = 11
Subtract 11 from one-fifth of a number a to get 7
Subtract 7 from one-fifth of a number a to get 11
Add 11 from one-fifth of a number a to get 7
Add 7 from one-fifth of a number a to get 11
Q10.
Identify the value of y from the given equation: 2y − 5 = 23
12
8
16
14
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