SIMPLIFICATION & APPROXIMATION-1

Question 1

(75 Γ· 25 Γ· 20 Γ· 5) + (165 Γ· 15 Γ· 5 Γ· 2) = 3 βˆ’ x
A

1.67

B

1.27

C

1.47

D

1.87

Explanation:

No

Question 2

40% π‘œπ‘“ 165 + 28% π‘œπ‘“ 700 + (24% π‘œπ‘“550) Γ· 12 = π‘₯ Γ— 21
A

23

B

13

C

15

D

17

Explanation:

No

Question 3

(1540 π‘œπ‘“22 Γ· 110 ) Γ· 11 = π‘₯% π‘œπ‘“ 175
A

12

B

15

C

16

D

20

Explanation:

No

Question 4

(8.75 Γ— 12) + (12.25 Γ— 16) = 4π‘₯ + (9.50 Γ— 22)
A

29

B

21

C

23

D

25

Explanation:

No

Question 5

66.66% π‘œπ‘“ 261 + (37) 2 βˆ’ (11 Γ— 88) = 25 Γ— π‘₯
A

21

B

23

C

25

D

27

Explanation:

No

Question 6

14 2/7 % π‘œπ‘“ 595 + 8 1/3 %π‘œπ‘“1140 + 12.5% π‘œπ‘“ 944 = 13π‘₯ + 3√1728
A

26

B

28

C

32

D

22

Explanation:

No

Question 7

(555 Γ· 0.25) Γ· 2.5 Γ— 1.75 = 14π‘₯ + 518
A

74

B

78

C

82

D

86

Explanation:

No

Question 8

(145 Γ— 18) Γ· 29 + π‘₯ = 9869 βˆ’ 9429
A

275

B

300

C

350

D

200

Explanation:

No

Question 9

π‘₯% π‘œπ‘“ 846 + 32Γ—32 = 39Γ—39 βˆ’ (22.25 Γ— 16)
A

11.11%

B

9.09%

C

33.33%

D

16.66%

Explanation:

No

Question 10

(1776 Γ· 37) + (2378 Γ· 58) + 459 = 584 βˆ’ √x
A

1156

B

1296

C

1024

D

1369

Explanation:

No

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