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) Is 126517 divisible by 10
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| 2) Is 44580 divisible by 6
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| 3) Is 20710 divisible by 10
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| 4) Is 12723 divisible by 3
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| 5) Is 45399 divisible by 2
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| 6) Is 43352 divisible by 2
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| 7) Is 71064 divisible by 9
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| 8) Is 61908 divisible by 4
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| 9) Is 18125 divisible by 5
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| 10) Is 418149 divisible by 10
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| 1) Is 126517 divisible by 10
Answer: 1 SOLUTION 1 : Reaminder A number is divisible by 10 if its units digit is 0. Try the "divisible by 10" rule on 126517 Look at the units digit: 126517 The units digit is not in 0 The rule says that 126517 is not divisible by 10. |
| 2) Is 44580 divisible by 6
Answer: 1 SOLUTION 1 : Reaminder A number is divisible by 6 if it is divisible by both 2 and 3. Try the "divisible by 6" rule on 44580. First check if 44580 is divisible by 2. Look at the units digit: 44580 So, the number is divisible by 2. Now check if 44580 is divisible by 3. Find the sum of the digits: a+b+c+e+d is divisible by 3. So, the number is divisible by 3. The rule says that 44580 is divisible by 6. |
| 3) Is 20710 divisible by 10
Answer: 2 SOLUTION 1 : Reaminder A number is divisible by 10 if its units digit is 0. Try the "divisible by 10" rule on 20710 Look at the units digit: 20710 The units digit is The rule says that 20710 is divisible by 10. |
| 4) Is 12723 divisible by 3
Answer: 2 SOLUTION 1 : Reaminder A number is divisible by 3 if the sum of its digits is divisible by 3. Try the "divisible by 3" rule on 12723 Find the sum of the digits: a+b+c+d+e is divisible by 3. The rule says that 12723 is divisible by 3. |
| 5) Is 45399 divisible by 2
Answer: 2 SOLUTION 1 : Reaminder A number is divisible by 2 if its units digit is 0, 2, 4, 6, or 8. Try the "divisible by 2" rule on 45399 Look at the units digit: 45399 The units digit is The rule says that 45399 is not divisible by 2. |
| 6) Is 43352 divisible by 2
Answer: 2 SOLUTION 1 : Reaminder A number is divisible by 2 if its units digit is 0, 2, 4, 6, or 8. Try the "divisible by 2" rule on 43352 Look at the units digit: 43352 The units digit is The rule says that 43352 is divisible by 2. |
| 7) Is 71064 divisible by 9
Answer: 2 SOLUTION 1 : Reaminder A number is divisible by 9 if the sum of its digits is divisible by 9. . Try the "divisible by 9" rule on 71064 Find the sum of the digits: a+b+c+d+e is divisible by 9. The rule says that 71064 is divisible by 9. |
| 8) Is 61908 divisible by 4
Answer: 2 SOLUTION 1 : Reaminder A number is divisible by 4 if the number formed by its last two digits is divisible by 4. Try the "divisible by 4" rule on 61908.
Look at the number formed by the last two digits: The rule says that 61908 is divisible by 4.
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| 9) Is 18125 divisible by 5
Answer: 1 SOLUTION 1 : Reaminder A number is divisible by 5 if its units digit is 0 or 5. Try the "divisible by 5" rule on 18125 Look at the units digit: 18125 The units digit is The rule says that 18125 is divisible by 5. |
| 10) Is 418149 divisible by 10
Answer: 1 SOLUTION 1 : Reaminder A number is divisible by 10 if its units digit is 0. Try the "divisible by 10" rule on 418149 Look at the units digit: 418149 The units digit is not in 0 The rule says that 418149 is not divisible by 10. |