Advertisements
Advertisements
Question
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.)
A notebook costs ₹ p. A book costs ₹ 3 p.
Solution
A book costs three times the cost of a notebook.
APPEARS IN
RELATED QUESTIONS
Write equation for the following statement.
The sum of numbers x and 4 is 9.
Simplify:
xy − [yz − zx − {yx − (3y − xz) − (xy − zy)}]
Verify by substitution that the root of \[\frac{z}{7} = 8\]
Solve the following equation by the trial-and-error method: y + 9 = 13
If the angles of a triangle are in the ratio 2 : 3 : 4 then the difference between the greatest and the smallest angle is _______
The length of a rectangular hall is 4 meters less than 3 times the breadth of the hall. What is the length, if the breadth is b meters?
A rectangular box has height h cm. Its length is 5 times the height and breadth is 10 cm less than the length. Express the length and the breadth of the box in terms of the height.
Pick out the solution from the values given in the bracket next to each equation. Show that the other values do not satisfy the equation.
5m = 60 (10, 5, 12, 15)
Pick out the solution from the values given in the bracket next to each equation. Show that the other values do not satisfy the equation.
x + 4 = 2 (− 2, 0, 2, 4)
Complete the table and find the solution to the equation m − 7 = 3.
-
m
5
6
7
8
9
10
11
12
13
______
m − 7
______
______
______
______
______
______
______
______
______
______