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Showing 21–40 of 200 MCQs
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Solved Questions
200 Questions
21
Simplify: 1.5 + 2.5 * 2.
Correct Option
Explanation
Multiplication first: 2.5 * 2 = 5.0. Then addition: 1.5 + 5.0 = 6.5.
22
Calculate: 4.8 / 1.2 + 3.5.
Correct Option
Explanation
Division first: 4.8 / 1.2 = 4. Then addition: 4 + 3.5 = 7.5.
23
Find the value of: 0.5 * 0.8 / 0.2.
Correct Option
Explanation
Perform division first: 0.8 / 0.2 = 4. Then multiply: 0.5 * 4 = 2.0.
24
Evaluate: 12.5 - 2.5 * 4.
Correct Option
Explanation
Multiplication first: 2.5 * 4 = 10. Subtraction: 12.5 - 10 = 2.5.
25
Simplify: 3.6 / 0.6 * 2.
Correct Option
Explanation
Division first (going left to right): 3.6 / 0.6 = 6. Multiplication: 6 * 2 = 12.
26
Calculate: 0.25 * 40 + 1.5.
Correct Option
Explanation
Multiplication first: 0.25 * 40 = 10. Addition: 10 + 1.5 = 11.5.
27
Evaluate: 10.5 + 4.5 / 1.5.
Correct Option
Explanation
Division first: 4.5 / 1.5 = 3. Addition: 10.5 + 3 = 13.5.
28
Find the value of: 8.4 / 4.2 - 1.5.
Correct Option
Explanation
Division first: 8.4 / 4.2 = 2. Subtraction: 2 - 1.5 = 0.5.
29
Simplify: 2.2 * 3 + 1.4.
Correct Option
Explanation
Multiplication first: 2.2 * 3 = 6.6. Addition: 6.6 + 1.4 = 8.0.
30
Evaluate: 5.5 - 1.1 * 3.
Correct Option
Explanation
Multiplication first: 1.1 * 3 = 3.3. Subtraction: 5.5 - 3.3 = 2.2.
Correct Option
Explanation
Convert percentage to fraction or decimal: 0.20 * 150 = 30.
32
Calculate: 25% of 400 + 10.
Correct Option
Explanation
Find the percentage first: 25% of 400 is 1/4 of 400 = 100. Then add 10: 100 + 10 = 110.
33
Evaluate: 50% of 80 - 30% of 50.
Correct Option
Explanation
50% of 80 = 40. 30% of 50 = (30/100) * 50 = 15. Subtraction: 40 - 15 = 25.
34
Find the value of: 10% of 200 + 20% of 100.
Correct Option
Explanation
10% of 200 = 20. 20% of 100 = 20. Addition: 20 + 20 = 40.
35
Simplify: (40% of 250) / 10.
Correct Option
Explanation
Bracket first: 40% of 250 = (40/100) * 250 = 100. Then division: 100 / 10 = 10.
36
Calculate: 15% of 300 - 25.
Correct Option
Explanation
Calculate percentage: 15% of 300 = (15/100) * 300 = 45. Subtraction: 45 - 25 = 20.
37
Evaluate: 75% of 120 + 10.
Correct Option
Explanation
75% is equivalent to 3/4. So, (3/4) * 120 = 90. Then addition: 90 + 10 = 100.
38
Find the value of: 5% of 400 * 2.
Correct Option
Explanation
Calculate percentage: 5% of 400 = (5/100) * 400 = 20. Multiplication: 20 * 2 = 40.
39
Simplify: 12.5% of 800.
Correct Option
Explanation
12.5% is exactly 1/8 as a fraction. So, 1/8 * 800 = 100.
40
Calculate: 30% of 40 + 40% of 30.
Correct Option
Explanation
30% of 40 = (30/100)*40 = 12. 40% of 30 = (40/100)*30 = 12. Addition: 12 + 12 = 24.
