Study Mathematics revision pack for O-Level. Useful for revision, homework, and exam preparation in Zimbabwe.
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This is the ZIMSEC O-Level Mathematics revision pack. It is a free revision pack for revision.
1.
1
2
[1]
2
[2]
$1\}$
3
[1]
in base 6
[1]
Ind value of the hase $y$ such that $6703 y-725 y=5756 y$
[1]
Commer 134s to a number in base two
[1]
Corres your answer in base 3 simplify $123_{8}-52_{10}$
[2]
17. Eneress $5^{2}+3 \times 4$ as a number in (a) base
5, (b)
(b) base 8
;2]
11. 2) Evaluate 7658 -567z giving your answer in base 8
[1]
b) Express $5^{3}+4$ as a number in base 5
[1]
19. If $120_{3}=13_{n}+10_{n}$, find the value of $n$
[3]
20. Evaluate $234 s+142 s$, giving your answer in base 5
[1]
2). Given that $41_{n}+231_{n}+140_{n}=432_{n}$, where $n$ is a base, find the value of $n$
[1]
22 a) Write down the largest four digit number in base 8 [1] $\_\_\_\_$ ,
b) Convert 1118 to a number in base 2
[1]
c) Find the sum of 444 s and 21 s giving your answer in base five
[1]
23. a) Write down the greatest possible digit of a number in base 8
[1]
b) Convert 111 s to a number in base two
[2]
24. a) Express 445 as a number in base two
[2]
b) Find $X$ such that $X_{s}+44 \mathrm{~s}=403 \mathrm{~s}$
[2]
25. a) Evaluate $432 s+414 s$, giving your answer in base five
[1]
b) Express $2^{4}+2^{3}+2$ as a number in base two
[1]
c) Convert $21_{10}$ to a number in base two
[1]
26 a) Express $2^{5}+2^{4}+2^{2}+1$ as a number in base two [1]
b) Given that $31_{n}=1610$ for some base $n, i$ ) form an equation in $n$ ii) find value of $n$
[2].
27. a) Convert $1001 \frac{1}{2}$ to a number in base ten
[1]
b) Subtract 32 s from 41 s , giving your answer in base 5
[1]
c) Convert 27 to a number in base five
[1]
5