Answer the following
1. Solve
a)
b)
c)
d)
e)
2. Simplify
a) 0.4(3x –1) = 0.5x + 1
b) 5(x – 1) – 2(x + 8) = 0
c) 3 (5x – 7) + 2(9x – 11) = 4(8x – 7) – 111
3. Solve : 5x – 3 = 3x + 7
4. The sum of three consecutive numbers is 156. Find the numbers.
5. Fifteen added to thrice a whole number gives 93. The number is __________.
6. After 12 years, Kanwar shall be 3 times as old as he was 4 years ago. Find his present age
7. 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.
8. Find x
2. Simplify
a) 0.4(3x –1) = 0.5x + 1
b) 5(x – 1) – 2(x + 8) = 0
c) 3 (5x – 7) + 2(9x – 11) = 4(8x – 7) – 111
3. Solve : 5x – 3 = 3x + 7
4. The sum of three consecutive numbers is 156. Find the numbers.
5. Fifteen added to thrice a whole number gives 93. The number is __________.
6. After 12 years, Kanwar shall be 3 times as old as he was 4 years ago. Find his present age
7. 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.
8. Find x
9. Find the values of x and y
10. Each interior angle of a polygon is 108°. Find the number of sides of the polygon.
11. If two adjacent angles of a parallelogram are (5x – 5)° and (10x + 35)°, find the ratio of these angles.
12. The angles of a quadrilateral are in the ratio 3 : 7 : 6 : 4. Find the angles.
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