(3) 30 grams of sugar and 10 grams of salt are added to the mixture. (b) Calculate the ratio of sugar to salt in the new mixture. …………………………………. (2) (Total for Question 23 is 5 marks) ___________________________________________________________________________ 24. = 22 × 3 × 52 A = 23 × 5 B (a) Find the Highest Common Factor (HCF) of and A B. ........................................................... (1) (b) Find the Lowest Common Multiple (LCM) of and A B. ........................................................... (2) (Total for Question 24 is 3 marks) ___________________________________________________________________________ 25. On a particular day, a scientist recorded the air temperature at 8 different heights above
(3) 30 grams of sugar and 10 grams of salt are added to the mixture. (b) Calculate the ratio of sugar to salt in the new mixture. …………………………………. (2) (Total for Question 23 is 5 marks) ___________________________________________________________________________ 24. A = 22 × 3 × 52 B = 23 × 5 (a) Find the Highest Common Factor (HCF) of A and B. ........................................................... (1) (b) Find the Lowest Common Multiple (LCM) of A and B. ........................................................... (2) (Total for Question 24 is 3 marks) ___________________________________________________________________________ 25. On a particular day, a scientist recorded the air temperature at 8 different heights above
05_practice_tests_set_7_-_paper_3f__final.docx