How many milliliters are in 2.5 liters?

$$
2.5 \text{ L} \times 1000 \text{ ml/L} = 2500 \text{ ml}
$$
Jibu sahihi ni B. $\boxed{\text{B. } 2,500 \text{ ml}}$

14. What is the median of this data set: 2, 5, 3, 8, 10?

Katika seti ya nambari tano, nambari ya tatu ndiyo ya kati.
Nambari ya kati ni 5.
Jibu sahihi ni A. $\boxed{\text{A. } 5}$

15. If a shirt costs Ksh. 20 and there is a 10% discount, what is the discount amount?

20. $$\text{Kiasi cha punguzo} = 10\% \times 20$$ $$\text{Kiasi cha punguzo} = \frac{10}{100} \times 20$$ $$\text{Kiasi cha punguzo} = \frac{1}{10} \times 20 = 2$$

    Kiasi cha punguzo ni Ksh. 2.
    Jibu sahihi ni B. $\boxed{\text{B. } 2}$

21. What do you call an angle that is exactly more than 90 degrees but less than 180 degrees? Pembe iliyo zaidi ya $90^\circ$ lakini chini ya $180^\circ$ inaitwa Obtuse angle.

    • Acute angle: chini ya $90^\circ$
    • Right angle: $90^\circ$
    • Reflex angle: zaidi ya $180^\circ$ Jibu sahihi ni B. $\boxed{\text{B. Obtuse}}$

22. Calculate $2 \times 3$. Fanya kuzidisha:

    $$2 \times 3 = 6$$

    Jibu sahihi ni B. $\boxed{\text{B. } 6}$

23. What is the name of this line? Mstari unaopita katikati ya duara na kuunganisha pointi mbili kwenye mduara unaitwa kipenyo (diameter). Jibu sahihi ni A. $\boxed{\text{A. Diameter}}$

24. Which fraction is equivalent to $2/5$? Tunahitaji kupata sehemu ambayo ina thamani sawa na $\frac{2}{5}$.

    • A. $\frac{4}{10}$: Rahisisha $\frac{4}{10}$ kwa kugawanya nambari ya juu na ya chini kwa 2. $$\frac{4 \div 2}{10 \div 2} = \frac{2}{5}$$
    • B. $\frac{2}{10}$: Rahisisha $\frac{2}{10}$ kwa kugawanya nambari ya juu na ya chini kwa 2. $$\frac{2 \div 2}{10 \div 2} = \frac{1}{5}$$
    • C. $\frac{5}{2}$: Hii ni sehemu isiyofaa, ambayo ni sawa na 2.5.
    • D. $\frac{6}{20}$: Rahisisha $\frac{6}{20}$ kwa kugawanya nambari ya juu na ya chini kwa 2. $$\frac{6 \div 2}{20 \div 2} = \frac{3}{10}$$

    Sehemu sawa na $\frac{2}{5}$ ni $\frac{4}{10}$. Jibu sahihi ni A. $\boxed{\text{A. } 4/10}$

25. Solve 8.0 times 100. Fanya kuzidisha:

    $$8.0 \times 100 = 800$$

    Jibu sahihi ni C. $\boxed{\text{C. } 800}$