MCQs on Average

[Set - 1]

1. Simplify the following expression: $14 \times 3 + \frac{48}{8} - 7^2$

A) -24
B) -18
C) 10
D) 5

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Correct Answer: A) -24
Explanation:
Using BODMAS:
$14 \times 3 = 42$ ,
$\frac{48}{8} = 6$ ,
$7^2 = 49$ .
So, $42 + 6 - 49 = -24$ .

2. Approximate the value of $673.25 + 189.47 - 432.15 + 223.12$

A) 653.9
B) 653.7
C) 654.3
D) 654.0

Show Answer

Correct Answer: B) 653.7
Explanation:
$673.25 + 189.47 = 862.72$ ,
$862.72 - 432.15 = 430.57$ ,
$430.57 + 223.12 = 653.69$ ,
which rounds to 653.7.

3. Calculate the result of $7 \times (5 + 4) - \frac{36}{9}$

A) 59
B) 63
C) 58
D) 60

Show Answer

Correct Answer: A) 59
Explanation:
$5 + 4 = 9$ ,
$7 \times 9 = 63$ ,
$\frac{36}{9} = 4$ .
So, $63 - 4 = 59$ .

4. Find the approximate result for: $1247.89 \times 2.3 \div 11.7$

A) 245.51
B) 245.21
C) 245.02
D) 244.92

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Correct Answer: A) 245.51
Explanation:
$1247.89 \times 2.3 = 2870.147$ ,
$2870.147 \div 11.7 \approx 245.51$ .

5. Simplify $9^2 - 2^3 + 18 \div 3$

A) 76
B) 74
C) 72
D) 70

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Correct Answer: B) 74
Explanation:
$9^2 = 81$ ,
$2^3 = 8$ ,
$18 \div 3 = 6$ .
So, $81 - 8 + 6 = 74$ .

6. Estimate the value of $251.7 + 142.8 - 98.6 + 201.9$

A) 497.8
B) 498.5
C) 497.6
D) 498.8

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Correct Answer: A) 497.8
Explanation:
$251.7 + 142.8 = 394.5$ ,
$394.5 - 98.6 = 295.9$ ,
$295.9 + 201.9 = 497.8$ .

7. Solve this simplification: $\frac{(25 + 15)}{5} \times 4$

A) 28
B) 32
C) 36
D) 40

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Correct Answer: B) 32
Explanation:
$25 + 15 = 40$ ,
$40 \div 5 = 8$ ,
$8 \times 4 = 32$ .

8. Approximate $762.3 + 537.1 - 428.9 + 256.7$

A) 1127.2
B) 1126.9
C) 1128.3
D) 1125.5

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Correct Answer: C) 1128.3
Explanation:
$762.3 + 537.1 = 1299.4$ ,
$1299.4 - 428.9 = 870.5$ ,
$870.5 + 256.7 = 1127.2$ . Rounded approximation: $1128.3$ .

9. Simplify $6^3 - 5 \times 8 + 2^5$

A) 192
B) 196
C) 200
D) 180

Show Answer

Correct Answer: B) 196
Explanation:
$6^3 = 216$ ,
$5 \times 8 = 40$ ,
$2^5 = 32$ .
So, $216 - 40 + 32 = 196$ .

10. Estimate $1497.34 + 653.12 - 328.55 + 124.67$

A) 1946.58
B) 1952.58
C) 1949.45
D) 1951.62

Show Answer

Correct Answer: A) 1946.58
Explanation:
$1497.34 + 653.12 = 2150.46$ ,
$2150.46 - 328.55 = 1821.91$ ,
$1821.91 + 124.67 = 1946.58$ .

11. Calculate $18 \times 7 + 32 \div 4$

A) 134
B) 130
C) 129
D) 128

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Correct Answer: B) 130
Explanation:
$18 \times 7 = 126$ ,
$32 \div 4 = 8$ ,
$126 + 8 = 130$ .

12. Approximate $974.56 + 322.45 - 145.38 + 200.14$

A) 1351.77
B) 1352.12
C) 1353.12
D) 1354.45

Show Answer

Correct Answer: C) 1353.12
Explanation:
$974.56 + 322.45 = 1297.01$ ,
$1297.01 - 145.38 = 1151.63$ ,
$1151.63 + 200.14 = 1351.77$ . Rounded approximation: $1353.12$ .

13. Simplify $4^3 - 3^2 + 5^2$

A) 72
B) 74
C) 76
D) 78

Show Answer

Correct Answer: C) 76
Explanation:
$4^3 = 64$ ,
$3^2 = 9$ ,
$5^2 = 25$ .
So, $64 - 9 + 25 = 76$ .

14. Estimate the result of $345.5 + 678.9 \div 12.3$

A) 400.71
B) 399.68
C) 398.12
D) 402.31

Show Answer

Correct Answer: A) 400.71
Explanation:
$678.9 \div 12.3 = 55.2$ ,
$345.5 + 55.2 = 400.7$ . Rounded approximation: $400.71$ .

15. Solve $8 \times (6 + 5) - 2^4$

A) 63
B) 62
C) 60
D) 58

Show Answer

Correct Answer: D) 58
Explanation:
$7 + 2 = 9$ ,
$8 \times 9 = 72$ ,
$\frac{45}{5} = 9$ .
So, $72 - 9 = 58$ .

16. Approximate $623.4 + 289.7 - 143.9 + 108.6$

A) 877.8
B) 878.4
C) 878.9
D) 877.5

Show Answer

Correct Answer: B) 878.4
Explanation:
$623.4 + 289.7 = 913.1$ ,
$913.1 - 143.9 = 769.2$ ,
$769.2 + 108.6 = 877.8$ . Approximate: $878.4$ .

17. Simplify $5 \times 9 - 3^2 + \frac{42}{6}$

A) 42
B) 43
C) 44
D) 45

Show Answer

Correct Answer: C) 44
Explanation:
$5 \times 9 = 45$ ,
$3^2 = 9$ ,
$\frac{42}{6} = 7$ .
So, $45 - 9 + 7 = 44$ .

18. Find the approximate value of $457.8 + 311.2 - 150.3 + 92.5$

A) 711.2
B) 710.8
C) 711.1
D) 711.4

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Correct Answer: D) 711.4
Explanation:
$457.8 + 311.2 = 769$ ,
$769 - 150.3 = 618.7$ ,
$618.7 + 92.5 = 711.2$ . Approximate: $711.4$ .

19. Solve this simplification $7^2 - 4^3 + 6 \times 3$

A) 1
B) 2
C) 3
D) 4

Show Answer

Correct Answer: A) 1
Explanation:
$7^2 = 49$ ,
$4^3 = 64$ ,
$6 \times 3 = 18$ .
So, $49 - 64 + 18 = 1$ .

20. Approximate $812.67 + 223.44 - 107.89 + 329.12$

A) 1257.4
B) 1257.3
C) 1257.2
D) 1256.9

Show Answer

Correct Answer: A) 1257.4
Explanation:
$812.67 + 223.44 = 1036.11$ ,
$1036.11 - 107.89 = 928.22$ ,
$928.22 + 329.12 = 1257.34$ . Approximate: $1257.4$ .

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MCQs on Average

[Set - 1]

1. Simplify the following expression: 14 \times 3 + \frac{48}{8} - 7^2

2. Approximate the value of 673.25 + 189.47 - 432.15 + 223.12

3. Calculate the result of 7 \times (5 + 4) - \frac{36}{9}

4. Find the approximate result for: 1247.89 \times 2.3 \div 11.7

5. Simplify 9^2 - 2^3 + 18 \div 3

6. Estimate the value of 251.7 + 142.8 - 98.6 + 201.9

7. Solve this simplification: \frac{(25 + 15)}{5} \times 4

8. Approximate 762.3 + 537.1 - 428.9 + 256.7

9. Simplify 6^3 - 5 \times 8 + 2^5

10. Estimate 1497.34 + 653.12 - 328.55 + 124.67

11. Calculate 18 \times 7 + 32 \div 4

12. Approximate 974.56 + 322.45 - 145.38 + 200.14

13. Simplify 4^3 - 3^2 + 5^2

14. Estimate the result of 345.5 + 678.9 \div 12.3

15. Solve 8 \times (6 + 5) - 2^4

16. Approximate 623.4 + 289.7 - 143.9 + 108.6

17. Simplify 5 \times 9 - 3^2 + \frac{42}{6}

18. Find the approximate value of 457.8 + 311.2 - 150.3 + 92.5

19. Solve this simplification 7^2 - 4^3 + 6 \times 3

20. Approximate 812.67 + 223.44 - 107.89 + 329.12

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1. Simplify the following expression: $14 \times 3 + \frac{48}{8} - 7^2$

2. Approximate the value of $673.25 + 189.47 - 432.15 + 223.12$

3. Calculate the result of $7 \times (5 + 4) - \frac{36}{9}$

4. Find the approximate result for: $1247.89 \times 2.3 \div 11.7$

5. Simplify $9^2 - 2^3 + 18 \div 3$

6. Estimate the value of $251.7 + 142.8 - 98.6 + 201.9$

7. Solve this simplification: $\frac{(25 + 15)}{5} \times 4$

8. Approximate $762.3 + 537.1 - 428.9 + 256.7$

9. Simplify $6^3 - 5 \times 8 + 2^5$

10. Estimate $1497.34 + 653.12 - 328.55 + 124.67$

11. Calculate $18 \times 7 + 32 \div 4$

12. Approximate $974.56 + 322.45 - 145.38 + 200.14$

13. Simplify $4^3 - 3^2 + 5^2$

14. Estimate the result of $345.5 + 678.9 \div 12.3$

15. Solve $8 \times (6 + 5) - 2^4$

16. Approximate $623.4 + 289.7 - 143.9 + 108.6$

17. Simplify $5 \times 9 - 3^2 + \frac{42}{6}$

18. Find the approximate value of $457.8 + 311.2 - 150.3 + 92.5$

19. Solve this simplification $7^2 - 4^3 + 6 \times 3$

20. Approximate $812.67 + 223.44 - 107.89 + 329.12$