BNU1501
EXAM
PACK
2025
, lOMoARcPSD|58918787
BNU1501
October/November 2023
BNU1501
Basic Numeracy
Department of Decision Sciences
EXAMINATION QUESTION PAPER – OCTOBER/NOVEMBER
31 October 2023
EXAMINATION PAPER
1
Downloaded by Jonah Njenga ()
, lOMoARcPSD|58918787
BNU1501
October/November 2023
Question 1a [2]
Every rational number is a ______
Answer: The numbers which can be found on the number line and include both rational and
irrational numbers are known as real numbers. Almost any number which you can imagine is a
real number.
[1] Whole number
[2] Real number
[3] Natural number
[4] Counting number
Question 1b [2]
The numbers 0, 1, 2, 3, ... are called
Answer: The whole numbers are natural numbers that include zero.
[1] Whole numbers
[2] Rational numbers
[3] Integers
[4] Natural numbers
Question 1c [2]
Numbers like -3, -2, -1, 0, 1, 2, 3 are called
Answer: Integers are natural number, zero, and the negative of a natural number.
[1] Whole numbers
[2] Rational numbers
[3] Integers
[4] Natural numbers
Question 2a [2]
Which number can round to 78.95?
Answer: 78.946 can be rounded to 78.95. Because 4 is followed by 6 and 6 is greater than 5, so
increase 4 by 1 to 5.
2
Downloaded by Jonah Njenga ()
, lOMoARcPSD|58918787
BNU1501
October/November 2023
[1] 78.955
[2] 78.956
[3] 78.942
[4] 78.946
Question 2b [2]
The number 20.35784 rounded to four decimal places is ________
Answer:
The number 20.35784 rounded to four decimal places is 20.3578. As the number after the fourth
place is 4, which is less than 5.
[1] 20.3579
[2] 20.3578
[3] 20.35
[4] 20.36
Question 2c [2]
Round 34.288 to the nearest whole number.
Answer: The digit on the tenths place is 2. Since 2 is less than 5, we will round down the
number to 34 and remove the following digits including the decimal point. Therefore, the
rounded whole number is 34.
[1] 34.2
[2] 35
[3] 34
[4] 34.29
Question 3a [3]
If a number, 𝑥𝑥, is increased by 7, it will be equal to twice the same number decreased by 3. The
correct equation for the above statement is
, increased by 7 is: x + 7. Twice the same number, x is 2x decreased by 3 is 2x – 3.
Answer: 𝑥𝑥
[1] 7𝑥𝑥= 3(2 𝑥𝑥
)
3
Downloaded by Jonah Njenga ()
EXAM
PACK
2025
, lOMoARcPSD|58918787
BNU1501
October/November 2023
BNU1501
Basic Numeracy
Department of Decision Sciences
EXAMINATION QUESTION PAPER – OCTOBER/NOVEMBER
31 October 2023
EXAMINATION PAPER
1
Downloaded by Jonah Njenga ()
, lOMoARcPSD|58918787
BNU1501
October/November 2023
Question 1a [2]
Every rational number is a ______
Answer: The numbers which can be found on the number line and include both rational and
irrational numbers are known as real numbers. Almost any number which you can imagine is a
real number.
[1] Whole number
[2] Real number
[3] Natural number
[4] Counting number
Question 1b [2]
The numbers 0, 1, 2, 3, ... are called
Answer: The whole numbers are natural numbers that include zero.
[1] Whole numbers
[2] Rational numbers
[3] Integers
[4] Natural numbers
Question 1c [2]
Numbers like -3, -2, -1, 0, 1, 2, 3 are called
Answer: Integers are natural number, zero, and the negative of a natural number.
[1] Whole numbers
[2] Rational numbers
[3] Integers
[4] Natural numbers
Question 2a [2]
Which number can round to 78.95?
Answer: 78.946 can be rounded to 78.95. Because 4 is followed by 6 and 6 is greater than 5, so
increase 4 by 1 to 5.
2
Downloaded by Jonah Njenga ()
, lOMoARcPSD|58918787
BNU1501
October/November 2023
[1] 78.955
[2] 78.956
[3] 78.942
[4] 78.946
Question 2b [2]
The number 20.35784 rounded to four decimal places is ________
Answer:
The number 20.35784 rounded to four decimal places is 20.3578. As the number after the fourth
place is 4, which is less than 5.
[1] 20.3579
[2] 20.3578
[3] 20.35
[4] 20.36
Question 2c [2]
Round 34.288 to the nearest whole number.
Answer: The digit on the tenths place is 2. Since 2 is less than 5, we will round down the
number to 34 and remove the following digits including the decimal point. Therefore, the
rounded whole number is 34.
[1] 34.2
[2] 35
[3] 34
[4] 34.29
Question 3a [3]
If a number, 𝑥𝑥, is increased by 7, it will be equal to twice the same number decreased by 3. The
correct equation for the above statement is
, increased by 7 is: x + 7. Twice the same number, x is 2x decreased by 3 is 2x – 3.
Answer: 𝑥𝑥
[1] 7𝑥𝑥= 3(2 𝑥𝑥
)
3
Downloaded by Jonah Njenga ()
