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प्रश्न
Write the given equation in statement form:
3p + 4 = 25
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उत्तर
Three times of a number p, when added to 4, gives 25.
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संबंधित प्रश्न
Solve the following equation by trial and error method:
3m - 14 = 4
Write equation for the following statement:
One-fourth of a number x minus 4 gives 4.
Write a statement for the equation, given below:
11 + 3x = 17
Verify by substitution that the root of 3x − 5 = 7 is x = 4.
Solve the following equation and verify the answer:
`2x-1/2=3`
The number of boys in a school is 334 more than the number of girls. If the total strength of the school is 572, find the number of girls in the school.
Change the following statements using expressions into statements in ordinary language.
(For example, Given Salim scores r runs in a cricket match, Nalin scores (r + 15) runs. In ordinary language − Nalin scores 15 runs more than Salim.)
In an arrangement of dots, there are r rows. Each row contains 5 dots.
State which of the following are equations (with a variable). Give reason for your answer. Identify the variable from the equations with a variable.
7 = (11 × 2) + p
Complete the entries in the third column of the table.
|
S.No. |
Equation |
Value of variable |
Equation satisfied Yes/No |
|
(a) |
10y = 80 |
y = 10 |
______ |
|
(b) |
10y = 80 |
y = 8 |
______ |
|
(c) |
10y = 80 |
y = 5 |
______ |
|
(d) |
4l = 20 |
l = 20 |
______ |
|
(e) |
4l = 20 |
l = 80 |
______ |
|
(f) |
4l = 20 |
l = 5 |
______ |
|
(g) |
b + 5 = 9 |
b = 5 |
______ |
|
(h) |
b + 5 = 9 |
b = 9 |
______ |
|
(i) |
b + 5 = 9 |
b = 4 |
______ |
|
(j) |
h − 8 = 5 |
h = 13 |
______ |
|
(k) |
h − 8 = 5 |
h = 8 |
______ |
|
(l) |
h − 8 = 5 |
h = 0 |
______ |
|
(m) |
p + 3 = 1 |
p = 3 |
______ |
|
(n) |
p + 3 = 1 |
p = 1 |
______ |
|
(o) |
p + 3 = 1 |
p = 0 |
______ |
|
(p) |
p + 3 = 1 |
p = − 1 |
______ |
|
(q) |
p + 3 = 1 |
p = − 2 |
______ |
Complete the table and find the solution of the equation `"z"/3 = 4` using the table.
|
z |
8 |
9 |
10 |
11 |
12 |
13 |
14 |
15 |
16 |
______ |
|
`"z"/3` |
`2 2/3` |
3 |
`3 1/3` |
______ |
______ |
______ |
______ |
______ |
______ |
______ |
