8 identical pens cost 168 taka. If one pen costs x taka, which equation and value are correct?
Topic: Algebra
A rectangle has perimeter 70 cm and length 3 cm more than its width. Find its width.
A father’s age is 4 more than three times his son’s age. If the father is 46, find the son’s age.
Two numbers have sum 31. The larger number is 7 more than the smaller. Find the smaller number.
A number is doubled and 5 is added. The result is 55. What is the number?
Five times a number decreased by 7 equals 83. Which equation solves the problem?
4 identical pens cost 252 taka. If one pen costs x taka, which equation and value are correct?
A rectangle has perimeter 80 cm and length 4 cm more than its width. Find its width.
A father’s age is 4 more than three times his son’s age. If the father is 61, find the son’s age.
Two numbers have sum 23. The larger number is 11 more than the smaller. Find the smaller number.
A number is doubled and 5 is added. The result is 21. What is the number?
If h(x) = x^2 + 2x, find h(0). [Unique SSC algebra item 2]
If g(x) = 3x – 5, which expression represents g(x+-2)?
If f(x) = 2x + -2, find x when f(x) = 4.
If f(x) = x^2 + 3, find f(-3).
If f(x) = 2x + 2, find f(-3).
If h(x) = x^2 + 3x, find h(0).
If g(x) = 4x – 8, which expression represents g(x+6)?
If f(x) = 4x + 0, find x when f(x) = 20.
If f(x) = x^2 – 2, find f(1).
If f(x) = 4x + 5, find f(2).
If h(x) = x^2 + 2x, find h(0).