Consider this example:
Find the value of the given expression:
21.5 of 12 ÷ 23 – 184 + 15 × 12 – (19.25 × 16)
Solution:
Step 1: First, we solve the expression within the brackets.
So, 21.5 of 12 ÷ 23 – 184 + 15 × 12 – (19.25 × 16) = 21.5 of 12 ÷ 23 – 184 + 15 × 12 – 308
Step 2: Next, we calculate the power if any, and terms which are linked by the word “of”
So, 21.5 of 12 ÷ 23 – 184 + 15 × 12 – 308 = 258 ÷ 8 – 184 + 15 × 12 – 308
Step 3: We calculate the division operations
258 ÷ 8 – 184 + 15 × 12 – 308 = 32.25 – 184 + 15 × 12 – 308
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Step 4: We calculate the multiplication operations
32.25 – 184 + 15 × 12 – 308 = 32.25 – 184 + 180 – 308
Step 5: We calculate the addition operations
32.25 – 184 + 180 – 308 = 212.25 – 184 – 308
Step 6: At last, we calculate the subtraction operations
212.25 – 184 – 308 = -279.75
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Question 1: What approximate value will come in place of the question mark (?) in the following question? (Note: You are not expected to calculate the exact value.)
? = 769.98 + 41.8% of (59.95 ×70.12)
A) 2272
B) 2534
C) 2398
D) 2742
E) 2136
Question 2: What approximate value will come in place of the question mark (?) in the following question? (Note: You are not expected to calculate the exact value.)
?2 = (16.022/2.99√4100) + 84.07
A) 205
B) 10
C) 0
D) 100
E) 827
Question 3: What approximate value will come in place of the question mark (?) in the following question? (Note: You are not expected to calculate the exact value.)
49.98% of 799.98 =? × 9.98 – (29.98% of 499.98)
A) 5
B) 250
C) 55
D) 160
E) 25
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Question 4: What approximate value will come in place of the question mark (?) in the following question? (Note: You are not expected to calculate the exact value.)
? – 299.98% of 24.98 + (4.98)2 = (5.99)2
A) 197
B) 86
C) 15
D) 4
E) 253
Question 5: What approximate value will come in place of the question mark (?) in the following question? (Note: You are not expected to calculate the exact value.)
149.98% of 449.99 = ?2 – (14.98)2
A) 115
B) 202
C) 15
D) 30
E) 135
Question 6: What approximate value will come in place of the question mark (?) in the following question?(Note: You are not expected to calculate the exact value.)
40.09% of 840.02 + 502.96 – 24.09 × 13.98 = ?
A) 503
B) 412
C) 594
D) 313
E) 712
Question 7: What approximate value will come in place of the question mark (?) in the following question?(Note: You are not expected to calculate the exact value.)
654.08 + 18.13 × 15.11 – 363.91 ÷ 13.89 = ?
A) 239
B) 684
C) 898
D) 526
E) 345
Question 8: What approximate value will come in place of the question mark (?) in the following question? (Note: You are not expected to calculate the exact value.)
564.08 + 933.13 – 845.91 + 634.21 – 302.98 = ?
A) 526
B) 718
C) 842
D) 501
E) 982
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Question 9: What approximate value will come in place of the question mark (?) in the following question?(Note: You are not expected to calculate the exact value.)
31.67 × ? + 22.122 = 174.75% of 240.03 + 56.09 × 7.99
A) 12
B) 44
C) 96
D) 150
E) 1
Question 10: What approximate value will come in place of the question mark (?) in the following question?(Note: You are not expected to calculate the exact value.)
?2 = (540.09 × 179.98) ÷ (24.082 – 11.782) + 16.05% of 2500.01
A) 75
B) 52
C) 8
D) 25
E) 38
प्रश्न 1: दिए गए प्रश्न में प्रश्न चिन्ह (?) के स्थान पर क्या अनुमानित मूल्य आएगा?(नोट : आपको सटीक मान की गणना करने की जरुरत नहीं है|)
? = 769.98 + 41.8% of (59.95 ×70.12)
A) 2272
B) 2534
C) 2398
D) 2742
E) 2136
प्रश्न 2: दिए गए प्रश्न में प्रश्न चिन्ह (?) के स्थान पर क्या अनुमानित मूल्य आएगा?(नोट : आपको सटीक मान की गणना करने की जरुरत नहीं है|)
?2 = (16.022/2.99√4100) + 84.07
A) 205
B) 10
C) 0
D) 100
E) 827
प्रश्न 3: निम्नलिखित प्रश्न में प्रश्न चिह्न (?) के स्थान पर अनुमानित मूल्य क्या होगा? (नोट: आपको सटीक मान की गणना करने की जरुरत नहीं है।)
49.98% of 799.98 =? × 9.98 – (29.98% of 499.98)
A) 5
B) 250
C) 55
D) 160
E) 25
प्रश्न 4: निम्नलिखित प्रश्न में प्रश्न चिह्न (?) के स्थान पर अनुमानित मूल्य क्या होगा? (नोट: आपको सटीक मान की गणना करने की जरुरत नहीं है।)
? – 299.98% of 24.98 + (4.98)2 = (5.99)2
A) 197
B) 86
C) 15
D) 4
E) 253
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प्रश्न 5: निम्नलिखित प्रश्न में प्रश्न चिह्न (?) के स्थान पर अनुमानित मूल्य क्या होगा? (नोट: आपको सटीक मान की गणना करने की जरुरत नहीं है।)
149.98% of 449.99 = ?2 – (14.98)2
A) 115
B) 202
C) 15
D) 30
E) 135
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प्रश्न 6: निम्नलिखित प्रश्न में प्रश्न चिह्न (?) के स्थान पर क्या अनुमानित मान आएगा? (नोट: आपको सटीक मान की गणना करने की आवश्यकता नहीं है।)
40.09% of 840.02 + 502.96 – 24.09 × 13.98 = ?
A) 503
B) 412
C) 594
D) 313
E) 712
प्रश्न 7: निम्नलिखित प्रश्न में प्रश्न चिह्न (?) के स्थान पर क्या अनुमानित मान आएगा? (नोट: आपको सटीक मान की गणना करने की आवश्यकता नहीं है।)
654.08 + 18.13 × 15.11 – 363.91 ÷ 13.89 = ?
A) 239
B) 684
C) 898
D) 526
E) 345
प्रश्न 8: निम्नलिखित प्रश्न में प्रश्न चिह्न (?) के स्थान पर क्या अनुमानित मान आएगा? (नोट: आपको सटीक मान की गणना करने की आवश्यकता नहीं है।)
564.08 + 933.13 – 845.91 + 634.21 – 302.98 = ?
A) 526
B) 718
C) 842
D) 501
E) 982
प्रश्न 9: निम्नलिखित प्रश्न में प्रश्न चिह्न (?) के स्थान पर क्या अनुमानित मूल्य आएगा? (नोट: आपको सटीक मान की गणना करने की उम्मीद नहीं है।)
31.67 × ? + 22.122 = 174.75% of 240.03 + 56.09 × 7.99
A) 12
B) 44
C) 96
D) 150
E) 1
प्रश्न 10: निम्नलिखित प्रश्न में प्रश्न चिह्न (?) के स्थान पर क्या अनुमानित मूल्य आएगा? (नोट: आपको सटीक मान की गणना करने की उम्मीद नहीं है।)
?2 = (540.09 × 179.98) ÷ (24.082 – 11.782) + 16.05% of 2500.01
A) 75
B) 52
C) 8
D) 25
E) 38
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| 1) – B) | 2) – B) | 3) – C) | 4) – B) | 5) – D) | 6) – A) |
| 7) – C) | 8) – E) | 9) – A) | 10) – D) |
Solution 1: B)
? = 769.98 + 41.8% of (59.95 ×70.12)
? ~ 770 + 42% of (60 × 70)
? ~ 770 + 0.42 × 4200
? ~ 770 + 1764
? ~ 2534
Hence, option b.
Solution 2: B)
?2 = (16.022/2.99√4100) + 84.07
?2 ~ (162/3√4096) + 84
?2 ~ (162/ 16) + 84
?2 ~ 100
? ~ 10
Hence, option b.
Solution 3: C)
49.98% of 799.98 = ? × 9.98 – (29.98% of 499.98)
? × 10 – 30% × 500) ~ 50% × 800
? × 10 – 150 ~ 400
? × 10 – 400 + 150
? × 10 ~ 550
? ~ 55
Hence, option c.
Solution 4: B)
? – 299.98% of 24.98 + (4.98)2 = (5.99)2
? – 300% × 25 ~ (6)2 – (5)2
? – 75 ~ (6 + 5) (6 – 5)
? ~ 75 + 11
? ~ 86
Hence, option b.
Solution 5: D)
149.98% of 449.99 = ?2 – (14.98)2
150% × 450 ~ ?2 – (15)2
?2 – 225 ~ 675
?2 ~ 675 + 225
?2 ~ 900
? ~ √900
? ~ 30
Hence, option d.
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Solution 6: A)
40.09% of 840.02 + 502.96 – 24.09 × 13.98 = ?
40% of 840 + 503 – 24 × 14 ~ ?
336 + 503 – 336 ~ ?
503 ~ ?
Hence, option a.
Solution 7: C)
654.08 + 18.13 × 15.11 – 363.91 ÷ 13.89 = ?
654 + 18 × 15 – 364 ÷ 14 ~ ?
654 + 270 – 26 ~ ?
898 ~ ?
Hence, option c.
Solution 8: E)
564.08 + 933.13 – 845.91 + 634.21 – 302.98 = ?
564 + 933 – 846 + 634 – 303 ~ ?
982 ~ ?
Hence, option e.
Solution 9: A)
31.67 × ? + 22.122 = 174.75% of 240.03 + 56.09 × 7.99
32 × ? + 222 ~ 175% of 240 + 56 × 8
32 × ? ~ 1.75 × 240 + 448 – 484
32 × ? ~ 868 – 484
? ~ 384/32 ~ 12
Hence, option a.
Solution 10: D)
?2 = (540.09 × 179.98) ÷ (24.082 – 11.782) + 16.05% of 2500.01
?2 ~ (540 × 180) ÷ (242 – 122) + 16% of 2500
?2 ~ (540 × 180) ÷ (36 × 12) + 0.16 × 2500
?2 ~ 225 + 400
?2 ~ 625
? ~ 25
Hence, option d.
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