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WorksheetsIFAKO NAPPS Mathematics Challenge 2025
Total questions: 15
Worksheet time: 8mins
Solve for x: 2x + 3 = 11
2
3
5
4
What is the base 10 equivalent of the binary number 1010?
12
8
10
5
Find the LCM of 12 and 15.
60
75
45
30
Calculate the HCF of 24 and 36.
6
24
18
12
If you invest $1000 at a simple interest rate of 5% per year, how much interest will you earn in 3 years?
$200
$100
$75
$150
Solve for y: 3y - 7 = 2y + 5
15
10
5
12
Convert the decimal number 25 to binary.
10101
11010
11100
11001
What is the LCM of 8, 12, and 16?
32
48
36
24
Determine the HCF of 45 and 75.
60
30
15
45
If you borrow $500 at a simple interest rate of 4% for 2 years, how much total amount will you pay back?
$480
$560
$540
$500
Solve for z: 5z + 2 = 3z + 10
8
4
6
2
What is the base 8 equivalent of the decimal number 64?
100
40
80
60
Find the LCM of 9 and 14.
98
126
72
63
Calculate the HCF of 18, 27, and 36.
18
12
6
9
If you invest $2000 at a simple interest rate of 6% for 5 years, how much interest will you earn?
$800
$400
$600
$1000
