**THE UNITED REPUBLIC OF TANZANIA ****NATIONAL EXAMINATIONS COUNCIL OF TANZANIA**

**FORM TWO NATIONAL ASSESSMENT**

**041 BASIC MATHEMATICS**

*Time: 2:30 Hours*

**INSTRUCTIONS**

- This paper consists of
**ten (10) compulsory** questions. - Show clearly all the working and answers in the space provided.
- All writing must be in blue or black ink except drawings which must be in pencil.
- Four figure mathematical tables, geometric instruments and graph papers may b used where necessary
- All communication devices, calculators and any unauthorized materials are not allowed in the examination room
- Write your examination Number at the top right corner of every page.

1. (a) Mwajuma deposited Tsh. 360,000 in her bank account. If the bank charges Tsh. 1,000 for every withdrawal, calculate the amount of money remained in her account if:

(i) she withdrew Tsh. 106,000.

(ii) she makes a further withdrawal of Tsh. 50,000 from the remained amount.

View Ans

(b) Rewrite as a mixed fraction.

View Ans

2. (a)(i) A dog, a cat and a goat have masses of 30.7 kg, 13.44 kg and 18.26 kg respectively. Calculate the total mass of all three animals, giving the answer to the nearest whole number.

(ii) Round off the mass of dog to the nearest ones, the mass of cat correctly to one decimal place and goat to 3 significant figures.

View Ans

(b) (i) Add the following units:

(ii) Convert the answer you obtained in **2(b)(i) **into meters

View Ans

3. (a) Draw a circle with center 0 and hence indicate the following:

- Arc
*AB* - Chord
*CD* - Sector
*AOB* - Radius
*AO*

View Ans

(b) The side of a square carpet is 14 m. If a designer decides to make the largest possible circular carpet;

(i) what will be the area of the formed circular carpet?

(ii) find the area of the remaining pad of the carpet.

View Ans

4.(a) Solve

By Elimination method

View Ans

(b) The length of a book exceeds its width by 5 cm. Calculate the dimensions of the hook given that its area is **50 cm**^{2}

View Ans

5. (a) Asha and Juma received 630,000 shillings from their father. The father wanted to give Asha twice as much money as the amount that could be given to Juma. How much did Asha receive?

View Ans

(b) Mr. and Mrs. Juma deposited some money in a bank that pays a simple interest ol' 3% per annum. After 4 years they earned an interest of 900,000 shillings. Determine the amount of money:

(i) deposited initially.

(ii) accumulated after a period of four years.

View Ans

6. (a) If the line whose equation is *y = 3x - p* passes through points (6, 10) and (q, 22), find the value of p and q where p and q are integers.

View Ans

(b) A mason wants to design a small room 500 cm by 200 cm. ( i) Draw a diagram of the room at a scale of 1:100

(ii) Calculate the area of the room using the result of 6 (b) (i).

View Ans

7.(a) Two quantities are such that

and , use these quantities to sow that:

(i)

(ii)

View Ans

(b) Express *x* in terms of *p* and *q* from the formula . Hence, find the value of* x* if* p = 3* and *q = -1*.

View Ans

8. (a) A young designer has designed a building whose side view structure is represented by the following figure:

- State with reasons the pair of similar triangles.
- Determine the length of side
*FE*.

View Ans

(b) Form Two students were challenged on the use of corresponding angles and sides to prove for the congruence of triangles. One student managed to draw triangles of the same size and shape as follows:

Using the figures,

(i) state why triangles *ABC* and *PQR* are congruent.

(ii) calculate the value of the angle *RQP*.

View Ans

9. (a) A photograph which has a diagonal of 7.8 cm long is to be fitted in a frame. Show whether the photograph will fit in the frame measuring 6 cm long and 5 cm wide.

View Ans

(b) A square tile chose diagonal is 8 cm long makes an angle of 45^{0} with a side of the tile. Evaluate the length of the side of the tile.

View Ans

10.(a) In a village of 1500 villagers, 600 keep goats, 700 keep cows and 300 do not keep any of these animals. Use a Venn diagram to find the number of villagers who keep;

- both goats and cows.
- goats only.
- cows only.
- goats or cows.

View Ans

(b) The grades on a Mathematics test taken by 100 students arc as shown in the following distribution table:

**Marks** | 50- 59 | 60- 69 | 70-79 | 80- 89 | 90- 99 |

**Number of students** | 3 | 21 | 32 | 27 | 17 |

- What is the size of each class interval of this distribution?
- Which class interval had the highest number of students?
- Find the class mark of the highest class interval.
- Find the number of students who passed if the pass mark was 70.
- Use the condition given in 10 (b) (iv), find the number of students who failed the test.

View Ans