The shifting of a number from one side of an equation to other is
called
(a) Transposition (b) Distributivity
(c) Commutativity (d) Associativity
If 8x – 3 = 25 +17x, then x is
(a) a fraction (b) an integer
(c) a rational number (d) cannot be solved
The solution of which of the following equations is neither a fraction
nor an integer.
(a) 3x + 2 = 5x + 2 (b) 4x – 18 = 2
(c) 4x + 7 = x + 2 (d) 5x – 8 = x + 4
Application on problem solving strategy
A home-owner is installing a fence around the square
garden. The garden has a perimeter of 6480 cm. Write
and solve the equation to find the garden’s dimensions
Distance between two stations A and B is 690 km. Two
cars start simultaneously from A and B towards each
other, and the distance between them after 6 hours is 30
km. If the speed of one car is less than the other by 10
km/hr, find the speed of each car.
A steamer goes downstream from one point to another in 7
hours. It covers the same distance upstream in 8 hours. If
the speed of stream be 2 km/hr, find the speed of the
steamer in still water and the distance between the ports.
The present age of father is four times the age of his son.
After 10 years, age of father will become three times the
age of his son. Find their present ages.
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