A number is doubled and 5 is added. The result is 25. What is the number?
Correct answer(s):
- 10
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Five times a number decreased by 7 equals 23. Which equation solves the problem?
Correct answer(s):
- 5x - 7 = 23
8 identical pens cost 168 taka. If one pen costs x taka, which equation and value are correct?
Correct answer(s):
- 8x = 168, x = 21
A rectangle has perimeter 70 cm and length 3 cm more than its width. Find its width.
Correct answer(s):
- 16 cm
A father’s age is 4 more than three times his son’s age. If the father is 46, find the son’s age.
Correct answer(s):
- 14
Two numbers have sum 31. The larger number is 7 more than the smaller. Find the smaller number.
Correct answer(s):
- 12
A number is doubled and 5 is added. The result is 55. What is the number?
Correct answer(s):
- 25
Five times a number decreased by 7 equals 83. Which equation solves the problem?
Correct answer(s):
- 5x - 7 = 83
4 identical pens cost 252 taka. If one pen costs x taka, which equation and value are correct?
Correct answer(s):
- 4x = 252, x = 63
A rectangle has perimeter 80 cm and length 4 cm more than its width. Find its width.
Correct answer(s):
- 18 cm
A father’s age is 4 more than three times his son’s age. If the father is 61, find the son’s age.
Correct answer(s):
- 19
Two numbers have sum 23. The larger number is 11 more than the smaller. Find the smaller number.
Correct answer(s):
- 6
A number is doubled and 5 is added. The result is 21. What is the number?
Correct answer(s):
- 8
If h(x) = x^2 + 2x, find h(0). [Unique SSC algebra item 2]
Correct answer(s):
- 0
If g(x) = 3x – 5, which expression represents g(x+-2)?
Correct answer(s):
- 3x - 11
If f(x) = 2x + -2, find x when f(x) = 4.
Correct answer(s):
- 3
If f(x) = x^2 + 3, find f(-3).
Correct answer(s):
- 12
If f(x) = 2x + 2, find f(-3).
Correct answer(s):
- -4
If h(x) = x^2 + 3x, find h(0).
Correct answer(s):
- 0
If g(x) = 4x – 8, which expression represents g(x+6)?
Correct answer(s):
- 4x + 16