Number System MCQs with Answers & Explanations

Step-by-step solution: 1. Multiply 19 by 8. 2. Break the multiplication into tens and ones for clarity. 3. Combine partial products to get 152.

Step-by-step solution: 1. Recognize that division asks how many times 11 fits into 132. 2. 132 = 11 * 12. 3. So, 132 / 11 = 12.

Step-by-step solution: 1. Multiply 26 by 16. 2. Break the multiplication into tens and ones for clarity. 3. Combine partial products to get 416.

Step-by-step solution: 1. Multiply 23 by 14. 2. Break the multiplication into tens and ones for clarity. 3. Combine partial products to get 322.

Step-by-step solution: 1. Recognize that division asks how many times 15 fits into 105. 2. 105 = 15 * 7. 3. So, 105 / 15 = 7.

Step-by-step solution: 1. Align the numbers vertically. 2. Subtract the ones, tens, and hundreds to obtain 152. 3. Confirm the result: 236 - 84 = 152.

Step-by-step solution: 1. Align the numbers vertically. 2. Subtract the ones, tens, and hundreds to obtain 404. 3. Confirm the result: 492 - 88 = 404.

Step-by-step solution: 1. Align the numbers vertically. 2. Subtract the ones, tens, and hundreds to obtain 416. 3. Confirm the result: 508 - 92 = 416.

Step-by-step solution: 1. Add the ones place: 8 + 9. 2. Add the tens and hundreds to get 297. 3. Therefore, 228 + 69 = 297.

Step-by-step solution: 1. Recognize that division asks how many times 7 fits into 70. 2. 70 = 7 * 10. 3. So, 70 / 7 = 10.

Step-by-step solution: 1. Recognize that division asks how many times 7 fits into 98. 2. 98 = 7 * 14. 3. So, 98 / 7 = 14.

Step-by-step solution: 1. Recognize that division asks how many times 15 fits into 150. 2. 150 = 15 * 10. 3. So, 150 / 15 = 10.

Step-by-step solution: 1. Add the ones place: 4 + 7. 2. Add the tens and hundreds to get 401. 3. Therefore, 324 + 77 = 401.

Step-by-step solution: 1. Add the ones place: 4 + 7. 2. Add the tens and hundreds to get 281. 3. Therefore, 204 + 77 = 281.

Step-by-step solution: 1. Recognize that division asks how many times 15 fits into 90. 2. 90 = 15 * 6. 3. So, 90 / 15 = 6.

Step-by-step solution: 1. Recognize that division asks how many times 7 fits into 77. 2. 77 = 7 * 11. 3. So, 77 / 7 = 11.

Step-by-step solution: 1. Add the ones place: 8 + 9. 2. Add the tens and hundreds to get 237. 3. Therefore, 168 + 69 = 237.

Step-by-step solution: 1. Align the numbers vertically. 2. Subtract the ones, tens, and hundreds to obtain 380. 3. Confirm the result: 460 - 80 = 380.

Step-by-step solution: 1. Align the numbers vertically. 2. Subtract the ones, tens, and hundreds to obtain 200. 3. Confirm the result: 300 - 100 = 200.

Step-by-step solution: 1. Multiply 25 by 12. 2. Break the multiplication into tens and ones for clarity. 3. Combine partial products to get 300.