SPM Mathematics Trial 2021 (Kelantan), Paper 2 (Question 3 & 4)
Question 3 (4 marks):Zulaikha is 1326 years old. Zulaikha’s age is twice the age of her daughter, Zahira. The ratio of Zahira’s age to the age of her younger brother, Ahmad is 7:6. Calculate the total age Zulaikha and her children in base 7.Solution:Zulaikha’s age,1326 = (1 × 62) + (3 × 61) + (2 … Read more