The shifting of a number from one side of an equation to other is called
The value of x for which the expressions 3x – 4 and 2x + 1 become equal is
If a and b are positive integers, then the solution of the equation ax = b has to be always
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.
A linear equation in one variable has
(a) Only one solution
(b) Two solutions
(c) More than two solutions
(d) No solution
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
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 sum of three consecutive multiples of 7 is 357. Find the smallest multiple.
Any value of the variable which makes both sides of an equation equal is known as a _________ of the equation.
The share of A when Rs 25 are divided between A and B so that A gets Rs. 8 more than B is _________.
The denominator of a rational number is greater than the numerator by 10. If the numerator is increased by 1 and the denominator is decreased by 1, then expression for new denominator is _________.
Shikha’s present age is p years. Reemu’s present age is 4 times the present age of Shikha. After 5 years Reemu’s age will be 15p years.
In a 2 digit number, the units place digit is x. If the sum of digits be 9, then the number is (10x – 9).
Sum of the ages of Anju and her mother is 65 years. If Anju’s present age is y years then her mother’s age before 5 years is (60 – y) years.
The number of boys and girls in a class are in the ratio 5:4. If the number of boys is 9 more than the number of girls, then number of boys is 9.
A and B are together 90 years old. Five years ago A was thrice as old as B was. Hence, the ages of A and B five years back would be (x – 5) years and (85 – x) years respectively.
Two numbers differ by 40, when each number is increased by 8, the bigger becomes thrice the lesser number. If one number is x, then the other number is (40 – x).
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