JSS2 school exam

Welcome to your JSS 2 BASIC CALCULATION SKILL SECOND TERM EXAMINATION, 2026

SECTION A: OBJECTIVES INSTRUCTION: Answer all

1. Solve 2(x + 1) -12 = 6, find x?

2. Convert 75(ten) to base five

3. Change 10111(two) to base ten

4. Solve 22.1341 + 8.153

5. Simplify 48a ÷4 -5 + 3 + 8a x2

6. Evaluate 113.5 x 3.6

7. Express 1AC( hex) in base ten

8. Evaluate (111two) ²

9. A trader buys a shirt for N4,500 and sold at 5% profit. What is his profit ?

10. Given that x = 4, find 18 - x - x + 2

11. Express 3 ¼ as decimal

12. Find the simple interest on N3,000 for 5 years at 8%

13. Round off 32.01853 to the nearest thousandth

14. Solve for the value of y in 27 = y - 14

15. Calculate the discount price of 12% given on a marked price of N500

16. Solve 34.7 = 2x + 4.1, find x?

17.The maximum allowance for a dependent relative under tax system is?

18. Solve 5a - 3(a - 1) = 69, find a?

19. Evaluate x + 1010(two) = 1111(two), find x?

20. Solve 8y - 4 = 3y + 36, find y

SECTION B: SUBJECTIVE Instruction: Answer all

21. Evaluate 9 - ⅓ of y = 7, find y?

22. Solve 10 + (3 x 2³) ÷ 6 - 8

23. Convert 1312(four) to base ten

24. Simplify ⁷/6² ÷ 5¼

25. What is one - fifth of 4⅜

SECTION C;THEORY INSTRUCTION: Answer only 5 questions from this section

1a. Calculate the simple interest on N30,000 for 4years at 2 ½% .

1b. A man buys a bag at N 2,000 and sells it for N1500. Calculate his loss percentage?

2a. Three times a certain number is subtracted from 5, if the result is half of the number. What is the number?

2b. Find the difference between 219.123 and the sum of 12.311 and 37.43

3a. Find the square root of 1010001(two), leave your answer in base two

3b. Change 432(six) to base ten

4a. Evaluate 4.331 ÷ 0.3 to the nearest 2 decimal place.

4b. A dress cost N123.41 each, how much will 1 doz of the dress cost?

5. A man with four children earns N650,000 per month, he claims N30,000 for a dependent relative; I. Calculate his allowances? II. Calculate the taxable income ? III. Calculate the amount of tax he paid ? IV. Find his income after tax is paid?

6a. Convert 1011101(two) to base four

6b. Calculate the selling price of a textbook bought at N7,500 and sold at 15% profit ?

7a. A carpenter requires short planks each of length ⁸/9m to make benches. How many of such planks can he get from a plank of length 13 ⅓m

7b. A ball of string is 53.5m long when new, lengths; 13.3m, 22.3m and 85cm were cut off. l. What length of string is cut off altogether ? II.How much string is left?