CHAPTER 4: ALGEBRAIC PROCESSES (1) SIMPLIFICATION AND SUBSTITUTION
Below are the solution to all the questions in Exercise 4a of the New General Mathematics for Senior Secondary School One (SS 1). If there are any question to ask, feel free to ask and a community member will be glad to assist you.
Note: Please this should only be used for educational purpose only and should not be seen as a replacement for the New General Mathematics textbook and or every other materials related to it.
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Exercise 4a Questions and Solutions (Number 1 to 10)
Click Here to view Exercise 4a Questions and Solutions (Number 11 to 20)
Question 1: A student has 200 naira. If someone gives her 160 naira, how much will she have? If someone gives her x naira, how much will she have?
Question 2: A student is 15 years old. How old will he be in 4 years’ time? How old will he be in y years’ time?
Question 3: A woman has ₦2000. If she spends ₦800, how much will she have left? If she spends ₦a instead, how much will she have left?
Question 4: A man was 20 years old 6 years ago. How old is he now? p years ago another man was 23 years old. How old is he now?
Question 5: A lorry carries 8t of blocks
a) If it delivers 3 t, what mass of block is left on the lorry?
b) If it delivers d t, what mass remains on the lorry?
Question 6: What number is
a) five times as big as 20
b) five times as big as x?
Question 7: How many centimeters in
a) 3 metres
b) e metres
Question 8: How many hours in
a) 120 min
b) m min
Question 9: A sheet of paper has an area of 300cm2.
a) How long is the paper if its breadth is 15cm?
b) How long is the paper if its breadth is bcm?
Question 10: Express x metres and ycm in cm
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