A class with p students has planned a picnic. Rs 50 per student is
collected, out of which Rs 1800 is paid in advance for transport. How
much money is left with them to spend on other items?
Translate each of the following statements into an equation:
(a) The perimeter (p) of an equilateral triangle is three times of itsside (a).
(b) The diameter (d) of a circle is twice its radius (r).
(c) The selling price (s) of an item is equal to the sum of the costprice (c) of an item and the profit (p) earned.
(d) Amount (a) is equal to the sum of principal (p) and interest (i).
What is the significance of atrio-ventricular node and atrio-ventricular bundle in the functioning of heart?
Translate each of the following statements into an equation, using x
as the variable:
(a) 13 subtracted from twice a number gives 3.
(b) One fifth of a number is 5 less than that number.
(c) Two-third of number is 12.
(d) 9 added to twice a number gives 13.
(e) 1 subtracted from one-third of a number gives 1.
In question change the statements, converting expressions into statements in ordinary language:
The number of girls enrolled in a school last year was g. The number of girls enrolled this year in the school is 3g – 10.
In question change the statements, converting expressions into statements in ordinary language:
Khader’s monthly salary was Rs P in the year 2005. His salary in 2006 was Rs (P + 1000
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