Arpita’s present age is thrice of Shilpa. If Shilpa’s age three years ago
was x. Then Arpita’s present age is
(a) 3(x – 3) (b) 3x + 3
(c)3x – 9 (d) 3(x + 3)
The digit in the tens place of a two digit number is 3 more than the
digit in the units place. Let the digit at units place be b. Then the
number is
(a)11b + 30 (b) 10b + 30 (c) 11b + 3 (d) 10b + 3
A linear equation in one variable has
(a) Only one solution
(b) Two solutions
(c) More than two solutions
(d) No solution
Linear equation in one variable has
(a) only one variable with any power.
(b) only one term with a variable.
(c) only one variable with power 1.
(d) only constant term
If a and b are positive integers, then the solution of the equation
ax = b has to be always
(a) positive (b) negative (c) one (d) zero
The value of x for which the expressions 3x – 4 and 2x + 1 become equal is
(a) –3 (b) 0 (c) 5 (d) 1
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
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