CSS - PMS - CCE - PCS - Mathematics
Simplification
Simplify: (15 + 12) × 2.
A. 39
B. 182
C. 54
D. 29
Correct Answer: C
Brackets first: 15+12=27; then ×2 = 54.
CSS - PMS - CCE - PCS - Mathematics
Simplification
Simplify using order of operations: 14 + 10 × 12.
A. 152
B. 146
C. 288
D. 134
Correct Answer: D
Multiplication first: 10×12=120; then add 14: 134.
CSS - PMS - CCE - PCS - Mathematics
Simplification
Simplify: 2/7 + 1/1.
A. 2/7
B. 3/8
C. 9/7
D. -5/7
Correct Answer: C
Using a common denominator, the sum is 9/7.
CSS - PMS - CCE - PCS - Mathematics
Simplification
Simplify √144.
A. 11
B. 13
C. 12
D. 144
Correct Answer: C
Since 12²=144, √144=12.
CSS - PMS - CCE - PCS - Mathematics
Simplification
Evaluate 2^3.
A. 8
B. 6
C. 4
D. 10
Correct Answer: A
2^3 means multiplying 2 by itself 3 times, giving 8.
CSS - PMS - CCE - PCS - Mathematics
Simplification
Simplify: 2470 ÷ 13.
A. 2457
B. 32110
C. 203
D. 190
Correct Answer: D
2470 ÷ 13 = 190.
CSS - PMS - CCE - PCS - Mathematics
Simplification
Simplify: (9 + 17) × 10.
A. 260
B. 36
C. 163
D. 179
Correct Answer: A
Brackets first: 9+17=26; then ×10 = 260.
CSS - PMS - CCE - PCS - Mathematics
Simplification
Simplify using order of operations: 8 + 15 × 7.
A. 127
B. 161
C. 113
D. 120
Correct Answer: C
Multiplication first: 15×7=105; then add 8: 113.
CSS - PMS - CCE - PCS - Mathematics
Simplification
Simplify: 1/7 + 2/3.
A. 3/10
B. 2/21
C. -11/21
D. 17/21
Correct Answer: D
Using a common denominator, the sum is 17/21.
CSS - PMS - CCE - PCS - Mathematics
Simplification
Simplify √36.
A. 7
B. 6
C. 36
D. 5
Correct Answer: B
Since 6²=36, √36=6.
CSS - PMS - CCE - PCS - Mathematics
Simplification
Evaluate 5^5.
A. 625
B. 3125
C. 3130
D. 25
Correct Answer: B
5^5 means multiplying 5 by itself 5 times, giving 3125.
CSS - PMS - CCE - PCS - Mathematics
Simplification
Simplify: 224 ÷ 8.
A. 1792
B. 216
C. 36
D. 28
Correct Answer: D
224 ÷ 8 = 28.
CSS - PMS - CCE - PCS - Mathematics
Simplification
Simplify: (3 + 5) × 5.
A. 13
B. 40
C. 20
D. 28
Correct Answer: B
Brackets first: 3+5=8; then ×5 = 40.
CSS - PMS - CCE - PCS - Mathematics
Simplification
Simplify using order of operations: 2 + 3 × 2.
A. 8
B. 10
C. 9
D. 11
Correct Answer: A
Multiplication first: 3×2=6; then add 2: 8.
CSS - PMS - CCE - PCS - Mathematics
Simplification
The value of 7 x 8 is:
A. 54
B. 56
C. 58
D. 64
Correct Answer: B
B: Correct because 7 multiplied by 8 equals 56. A: Wrong because 54 is too low. C: Wrong because 58 is too high. D: Wrong because 64 is 8 x 8.
CSS - PMS - CCE - PCS - Mathematics
Simplification
What is 9² − 5²?
A. 16
B. 36
C. 56
D. 106
Correct Answer: C
A: Wrong because 16 is 4², not the difference of squares here. B: Wrong because 36 is 6². C: Correct because 9² − 5² = 81 − 25 = 56. D: Wrong because 106 is the sum 81+25, not the difference.
CSS - PMS - CCE - PCS - Mathematics
Simplification
What is 360 divided by 12?
A. 20
B. 25
C. 30
D. 35
Correct Answer: C
A: Wrong because 12×20 = 240. B: Wrong because 12×25 = 300. C: Correct because 12×30 = 360. D: Wrong because 12×35 = 420.
CSS - PMS - CCE - PCS - Mathematics
Simplification
What is 0.2 × 0.5?
A. 0.01
B. 0.1
C. 0.7
D. 1.0
Correct Answer: B
A: Wrong because 0.01 is too small for this multiplication. B: Correct because 2×5=10 and two decimal places give 0.10 = 0.1. C: Wrong because 0.7 is the sum 0.2+0.5, not product. D: Wrong because the product of two numbers less than 1 cannot be 1 here.
CSS - PMS - CCE - PCS - Mathematics
Simplification
The value of 2⁵ is:
A. 10
B. 16
C. 25
D. 32
Correct Answer: D
A: Wrong because 2×5 = 10, but exponent means repeated multiplication. B: Wrong because 16 is 2⁴. C: Wrong because 25 is 5². D: Correct because 2⁵ = 2×2×2×2×2 = 32.
CSS - PMS - CCE - PCS - Mathematics
Simplification
Solve: x + 7 = 15. What is x?
A. 6
B. 7
C. 8
D. 9
Correct Answer: C
A: Wrong because 6 + 7 = 13. B: Wrong because 7 + 7 = 14. C: Correct because 8 + 7 = 15. D: Wrong because 9 + 7 = 16.