Question 2 :
State whether the statement is TRUE or FALSE : x = –12 is the solution of the linear equation 5x –3(2x + 1) = 21 + x.
Question 6 :
The sum of three consecutive multiples of 7 is 357. Find the smallest multiple.
Question 7 :
The solution of the equation ax + b = 0 is
Question 8 :
Rs. 13500 are to be distributed among Salma, Kiran and Jenifer in such a way that Salma gets Rs. 1000 more than Kiran and Jenifer gets Rs. 500 more than Kiran. Find the money received by Jenifer.
Question 10 :
The shifting of a number from one side of an equation to other is called
Question 12 :
After 18 years, Swarnim will be 4 times as old as he is now. His present age is
Question 13 :
State whether the statement is TRUE or FALSE : 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.
Question 16 :
When a number is divided by 8, the result is –3. The number is
Question 17 :
The age of A is five years more than that of B. 5 years ago, the ratio of their ages was 3:2. Find their present ages.
Question 18 :
Convert the statement 'Adding 15 to 4 times x is 39 into an equation'.
Question 21 :
The solution of the equation 3x – 4 = 1 – 2x is
Question 22 :
State whether the statement is TRUE or FALSE : In the equation 2x = 4 – x, transposing –x to LHS, we get x = 4.
Question 23 :
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.
Question 24 :
State whether the statement is TRUE or FALSE : Equations where the expressions which form the equation contain only one variable and the highest power of the variable appearing in the equation is 1, are called linear equations in one variable.
Question 25 :
The denominator of a rational number is greater than the numerator by 10. If the numerator is increased by 1 the and denominator is decreased by 1, then expression for new denominator is