Q.1 What is 1/2 + 1/4?
1/4
3/4
2/6
1/8
Explanation - To add fractions, find a common denominator. The LCM of 2 and 4 is 4. Convert 1/2 to 2/4. Then 2/4 + 1/4 = 3/4.
Correct answer is: 3/4
Q.2 Which decimal is equal to 3/5?
0.5
0.6
0.75
0.8
Explanation - Divide 3 by 5 to convert fraction to decimal. 3 ÷ 5 = 0.6.
Correct answer is: 0.6
Q.3 Simplify 18/24.
3/4
6/8
9/12
2/3
Explanation - The GCF of 18 and 24 is 6. Divide numerator and denominator by 6: 18/24 = 3/4.
Correct answer is: 3/4
Q.4 Convert 0.125 to a fraction in simplest form.
1/8
1/4
1/2
3/20
Explanation - 0.125 = 125/1000. Simplify by dividing numerator and denominator by 125: 125 ÷ 125 / 1000 ÷ 125 = 1/8.
Correct answer is: 1/8
Q.5 What is 7/8 - 1/2?
1/8
2/8
3/8
5/8
Explanation - Find common denominator of 8. Convert 1/2 to 4/8. Then 7/8 - 4/8 = 3/8.
Correct answer is: 3/8
Q.6 Which of the following is greater: 2/3 or 0.65?
2/3
0.65
Both equal
Cannot be compared
Explanation - Convert 2/3 to decimal: 2 ÷ 3 = 0.666… which is greater than 0.65.
Correct answer is: 2/3
Q.7 Multiply: 3/5 × 2/7.
6/35
5/14
7/15
1/7
Explanation - Multiply numerators: 3×2 = 6. Multiply denominators: 5×7 = 35. So, 6/35.
Correct answer is: 6/35
Q.8 Convert 45% into a decimal.
0.045
0.45
4.5
0.0045
Explanation - Percent means out of 100. 45% = 45/100 = 0.45.
Correct answer is: 0.45
Q.9 Divide: 4 ÷ 1/2.
1/8
2
6
8
Explanation - Dividing by a fraction is the same as multiplying by its reciprocal. 4 ÷ 1/2 = 4 × 2 = 8.
Correct answer is: 8
Q.10 What is 0.3 × 0.2?
0.06
0.003
0.6
0.02
Explanation - Multiply 3 × 2 = 6. Then place decimal for two places (0.3 has 1, 0.2 has 1). So, 0.06.
Correct answer is: 0.06
Q.11 Which is the reciprocal of 5/9?
9/5
5/9
1/14
14/1
Explanation - The reciprocal of a fraction is obtained by swapping numerator and denominator. Reciprocal of 5/9 = 9/5.
Correct answer is: 9/5
Q.12 Convert 7/20 into a decimal.
0.35
0.25
0.45
0.5
Explanation - 7 ÷ 20 = 0.35.
Correct answer is: 0.35
Q.13 What is 1/3 of 45?
15
30
10
12
Explanation - 1/3 × 45 = 45 ÷ 3 = 15.
Correct answer is: 15
Q.14 Simplify 0.48 ÷ 0.12.
0.4
4
40
0.04
Explanation - Divide normally: 0.48 ÷ 0.12 = 4.
Correct answer is: 4
Q.15 Add: 2.35 + 4.6.
6.95
6.85
7.05
7.15
Explanation - Add decimals by aligning decimal points: 2.35 + 4.60 = 6.95.
Correct answer is: 6.95
Q.16 Which fraction is equivalent to 0.2?
1/2
1/4
1/5
2/5
Explanation - 0.2 = 2/10 = 1/5 in simplest form.
Correct answer is: 1/5
Q.17 Subtract: 5.8 - 3.47.
2.33
2.41
2.21
2.31
Explanation - Align decimal points: 5.80 - 3.47 = 2.33.
Correct answer is: 2.33
Q.18 Simplify: (2/3) ÷ (4/9).
3/2
2/3
9/8
3/4
Explanation - Division of fractions: (2/3) ÷ (4/9) = (2/3) × (9/4) = 18/12 = 3/2.
Correct answer is: 3/2
Q.19 What is 15% of 200?
25
20
30
15
Explanation - 15% = 15/100. Multiply: (15/100) × 200 = 30.
Correct answer is: 30
Q.20 Convert 2.75 to a fraction.
11/4
27/10
3/2
21/8
Explanation - 2.75 = 275/100. Simplify by dividing numerator and denominator by 25: 275 ÷ 25 / 100 ÷ 25 = 11/4.
Correct answer is: 11/4
Q.21 Which is larger: 7/12 or 0.55?
7/12
0.55
Equal
Cannot be determined
Explanation - 7 ÷ 12 = 0.5833…, which is greater than 0.55.
Correct answer is: 7/12
Q.22 Multiply: 0.4 × 0.25.
0.1
0.01
0.25
0.05
Explanation - Multiply 4 × 25 = 100. Place decimals: 2 places + 2 places = 4 places, so 0.1000 = 0.1.
Correct answer is: 0.1
Q.23 Convert 3/16 into decimal form.
0.1875
0.18
0.19
0.175
Explanation - Divide 3 ÷ 16 = 0.1875.
Correct answer is: 0.1875
Q.24 What is the value of 1.2 + 2.45?
3.65
3.55
3.75
3.45
Explanation - 1.20 + 2.45 = 3.65.
Correct answer is: 3.65
Q.25 Simplify: 0.36 ÷ 0.9.
0.4
0.9
0.03
4
Explanation - 0.36 ÷ 0.9 = 0.4.
Correct answer is: 0.4