Written Instructions:
For each Multiple Choice Question (MCQ), four options are given. One of them is the correct answer. Make your choice (1,2,3 or 4). Write your answers in the brackets provided..
For each Short Answer Question(SAQ) and Long Answer Question(LAQ), write your answers in the blanks provided.
Leave your answers in the simplest form or correct to two decimal places.
| 1) A 3-digit odd number can be divided by 5, 7 and 9 exactly. What is the smallest possible number
Answer:_______________ |
| 2) A 2-digit even number can be divided by 6, 9 and 10 exactly. What is the smallest possible number
Answer:_______________ |
| 3) A 2-digit even number can be divided by 4, 5 and 10 exactly. What is the smallest possible number
Answer:_______________ |
| 4) A 2-digit even number can be divided by 6, 8 and 9 exactly. What is the smallest possible number
Answer:_______________ |
| 5) A 2-digit even number can be divided by 4, 8 and 10 exactly. What is the smallest possible number
Answer:_______________ |
| 6) A 2-digit even number can be divided by 5, 9 and 10 exactly. What is the smallest possible number
Answer:_______________ |
| 7) A 2-digit even number can be divided by 3, 4 and 9 exactly. What is the smallest possible number
Answer:_______________ |
| 8) A 2-digit even number can be divided by 2, 4 and 6 exactly. What is the smallest possible number
Answer:_______________ |
| 9) A 2-digit even number can be divided by 3, 6 and 9 exactly. What is the smallest possible number
Answer:_______________ |
| 10) A 2-digit even number can be divided by 2, 3 and 5 exactly. What is the smallest possible
Answer:_______________ |
| 1) A 3-digit odd number can be divided by 5, 7 and 9 exactly. What is the smallest possible number Answer: 315 SOLUTION 1 : Step 1: 5 = 5, 10, 15, 20, 25, 30, 35, 40, ..., 300, 305, 310, 315, 320, 325, … The smallest possible number is 315. |
| 2) A 2-digit even number can be divided by 6, 9 and 10 exactly. What is the smallest possible number Answer: 90 SOLUTION 1 : Step 1: 6 = 6, 12, 18, 24, 30, 36, 42, 48, 54, 60, 66, 72, 78, 84, 90, 96, 102, 108, 114, ... The smallest possible number is 90. |
| 3) A 2-digit even number can be divided by 4, 5 and 10 exactly. What is the smallest possible number Answer: 20 SOLUTION 1 : Step 1: 4 = 4, 8, 12, 16, 20, 24, 28, 32, 36, 40, 44, 48, ... The smallest possible number is 20. |
| 4) A 2-digit even number can be divided by 6, 8 and 9 exactly. What is the smallest possible number Answer: 72 SOLUTION 1 : Step 1: 6 = 6, 12, 18, 24, 30, 36, 42, 48, 54, 60, 66, 72, 78, 84, 90, 96, 102, 108, 114, ... The smallest possible number is 72. |
| 5) A 2-digit even number can be divided by 4, 8 and 10 exactly. What is the smallest possible number Answer: 40 SOLUTION 1 : Step 1: 4 = 4, 8, 12, 16, 20, 24, 28, 32, 36, 40, 44, 48, ... The smallest possible number is 40. |
| 6) A 2-digit even number can be divided by 5, 9 and 10 exactly. What is the smallest possible number Answer: 90 SOLUTION 1 : Step 1: 5 = 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, 65, 70, 75, 80, 85, 90, 95, 100, ... The smallest possible number is 90. |
| 7) A 2-digit even number can be divided by 3, 4 and 9 exactly. What is the smallest possible number Answer: 36 SOLUTION 1 : Step 1: 3 = 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, 39, ... The smallest possible number is 36.
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| 8) A 2-digit even number can be divided by 2, 4 and 6 exactly. What is the smallest possible number Answer: 12 SOLUTION 1 : Step 1: 2 = 2, 4, 6, 8, 10, 12, 14, 16, ... The smallest possible number is 12. |
| 9) A 2-digit even number can be divided by 3, 6 and 9 exactly. What is the smallest possible number Answer: 18 SOLUTION 1 : Step 1: 3 = 3, 6, 9, 12, 15, 18, 21, 24, ... The smallest possible number is 18. |
| 10) A 2-digit even number can be divided by 2, 3 and 5 exactly. What is the smallest possible Answer: 30 SOLUTION 1 : Step 1: multiples of 2 = 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30 Step 2: multiples of 3 = 3, 6, 9, 12, 15, 18, 21, 24, 27, 30 Step 3: multiples of 5 = 5, 10, 15, 20, 25, 30 The smallest possible number is 30.
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