CXC math past paper type exam questions: Number theory
| 1. Using a calculator or otherwise, calculate | |||||||||||||
|
(i) the exact value of (4 4/5 ÷ 2 2/3) - (11/3)2 |
(4 mks) | ||||||||||||
|
(ii) correct to three significant figures, the value of |
(3 mks) | ||||||||||||
|
(b) A loan of 12 000 was borrowed from a bank at 14% per annum |
|||||||||||||
| Calculate | |||||||||||||
| (i) The interest on the loan at the end of the first year | (2 mks) | ||||||||||||
| (ii) the total amount owing at the end of the first year | (1 mks) | ||||||||||||
| A repayment of $ 7 800 was made at the start of thesecond year. | |||||||||||||
| Calculate | |||||||||||||
| (iii) the amount still outstanding at the start of the second year | (1 mk) | ||||||||||||
| (iv) the interest on the outstanding amount at the end of the second year | (1 mk) | ||||||||||||
|
Total |
12 mks | ||||||||||||
|
|
|||||||||||||
|
2. (a) Using a calculator, or otherwise, determine the value of |
|||||||||||||
| (i) exactly | |||||||||||||
| (ii) correct to two significant figures | |||||||||||||
| (2 mks) | |||||||||||||
| (b) The table below gives information on the values and the rates of depreciation in value of two motor vehicles. | |||||||||||||
|
|||||||||||||
| Calculate | |||||||||||||
| (i) the values of p and q | |||||||||||||
| (ii) the value of the taxi after two years | (6 mks) | ||||||||||||
| (c) GUY $1.00 = US $0.01 and EC $ 1.00 = US $0.37 | |||||||||||||
| Calculate the value of | |||||||||||||
| (1) Guy $ 60 000 in US$ | (2 mks) | ||||||||||||
| (ii) US $ 925 in EC $ | (2 mks) | ||||||||||||
|
Total
|
12 mks | ||||||||||||
|
|
|||||||||||||
| 3. (a) (i) Find the exact value of 2.55 x 6.3 ÷ 7.5/1.26
|
|||||||||||||
| (ii) Write your answer correct to 1 decimal place | (5 mks) | ||||||||||||
|
(b) In January 2007, Mr. Sand took TT$800 in Caricom He was given the information shown below:
|
|||||||||||||
|
|||||||||||||
| Calculate in Eastern Caribbean currency, | |||||||||||||
| (i) the tax Mr. Sand has to pay | |||||||||||||
| (ii) The amount Mr. Sand received for TT$800 after paying tax and stamp duty. | |||||||||||||
|
Note: TT means Trinidad and Tobago EC means Eastern Caribbean |
(7 mks) | ||||||||||||
|
Total
|
12 mks | ||||||||||||
|
|
|||||||||||||
| 4. (a) Calculate the exact value of 11/3 - 35/6 + 51/9 | (4 mks) | ||||||||||||
| (b) Write the value of 0.428 x 2.75 | |||||||||||||
| (i) exactly in decimal form | |||||||||||||
| (ii) to two decimal places | |||||||||||||
| (iii) to two significant figures | (3 mks) | ||||||||||||
| (c) A company sells its copiers to customers in order to make a profit of 25 % . Calculate: | |||||||||||||
| (i) The price a customer pays for a copier whichthe company bought for $1700 | |||||||||||||
| (ii) The price the company paid for a copier which was sold to a customer for $2500 | (5 mks) | ||||||||||||
|
Total
|
12 mrks | ||||||||||||
|
|
|||||||||||||
| 5. (a) Using a calculator or otherwise, determine the exact valueof (3.7)2 - (6.24 ÷ 1.3) | (3 mks) | ||||||||||||
| (b)A total of 1200 students attended Gran Anse High School. The ratio of teachers to students is 1:30. | |||||||||||||
| (i) How many teachers are there at the school? | (2 mks) | ||||||||||||
| Two fifths of the students own personal computers, (ii) How many students do NOT own personal computers? |
(2 mks) | ||||||||||||
| Thirty percent of the students who own personal computers also own X-Boxes. | |||||||||||||
| (iii) What fraction of the students in the school own X-Boxes ? Express your answer in the lowest terms |
(4 mks) | ||||||||||||
|
Total
|
11 mks | ||||||||||||
|
|
|||||||||||||
| I have a question about these questions | |||||||||||||
| I would like to see more CXC number theory questions please! | |||||||||||||
|
To see more CXC past paper type number theory questions, You must login or create an account with caribexams.org. |
|||||||||||||
I have maths in a couple of
I have maths in a couple of days but i think i am ready thanks to the best maths teacher Ms.Holness.
Mathematics
I don't mind doing maths, its just that some of the things we are learning, when im going to need them in the work force.
Spanish, Mathematics
I love math, bt i love Spanish more, i will do anything to get a grade 1 in both subjects.
Me too, well atlest with the
Me too, well atlest with the Spanish.. But I really need help in math..
i like maths but my problem
i like maths but my problem is just that i keep telling myself that i cant do it
mths isnt that hard i found
mths isnt that hard i found out that if we dont practice and remember the formula we cant understand it
mathematics
OMG i dont know where i went wrong,its just hard but am willing to do anything just to lear it .making up ma mine to fall in love wiyh this subject
maths
i love maths my only problem is that i difficulty wrkin sum things out... can sumone please wrk this out for me,i would really appreciate it-TT $1.00 = EC $1.125
½% tax is charged on total foreign transaction
EC $0.50 stamp duty is charged for each cheque
Calculate in Eastern Caribbean currency,
(i) the tax Mr. Sand has to pay
(ii) The amount Mr. Sand received for TT$800 after paying tax and stamp duty.
Note: TT means Trinidad and Tobago
EC means Eastern Caribbean
I LOVE Maths
Maths is just one subject that you know for sure their is oy one correct answrr! I found the multiple choice junecxc to be a piece of cake and the long paper wasnt bad :D I havr confidence ill do well :) maths is my fave subject <3
Amswer for math tt 800 to Ec.
Amswer for math tt 800 to Ec. Total tax sandy pay was 10.5 and for 800 tt sandy got 889.5 Ec
mathematics
yooooooooooooo everyday i practice but wen i come to do the past papers i get lost and maths is on the 18th i need help and fast