(A) 333
(B) 327
(C) 335
(D) 330
(E) 329
Answer: D: 330
Explanation: 5/11 × 121 + 13/9 × 288 = 141+? 55 + 416 = 141 + ? ? = 330
2) 69.3% of 445.12 ÷ 14.06 = 623.08 ÷?
(A) 28
(B) 19
(C) 21
(D) 33
(E) 37
Answer: A: 28
Explanation:69.3% of 445.12 ÷ 14.06 = 623.08 ÷? 21.93= 623.08÷? ? = 28(approx)
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3) 17 × 8 + 18/3 - √361 + √196/7 + 4 × 19
(A) 205
(B) 200
(C) 201
(D) 208
(E) 191
Answer: C: 201
Explanation: ⇒17 × 8 + 18/3 - √361 + √196/7 + 4 × 19 ⇒ 136 + 6 – 19 + 2 + 76 ⇒ 142 – 19 + 78 ⇒ 220 – 19 ⇒ 201
4) (25)2 + (16)2 – (18)2 – (4)2 + (√4)2 – (√121) = ?
(A) 534
(B) 544
(C) 540
(D) 542
(E) None of these
Answer: A: 534
Explanation: ⇒ (25)2 + (16)2 – (18)2 – (4)2 + (√4)2 – (√121) = ? ⇒625 + 256 – 324 – 16 + 4 – 11 ⇒ 534
5) 832.58 – 242.31 = 779.84 – ?
(A) 179.57
(B) 199.57
(C) 295.05
(D) 198.125
(E) 189.57
Answer: E: 189.57
Explanation: 832.58 – 242.31 = 779.84 – x ⇒ x = (779.84 + 242.31) – 832.58 ⇒ 1022.15 – 832.58 ⇒ 189.57
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6) 138.009 + 341.981 – 146.305 = 123.6 + ?
(A) 120.085
(B) 120.85
(C) 220.085
(D) 124.125
(E) None of these
Answer: E: None of these
Explanation: 138.009 + 341.981 – 146.305 = 123.6 + x ⇒ x = (138.009 + 341.981) – (146.305 + 123.6) ⇒ 479.99 – 269.905 ⇒ 210.085
7) 124.856 ÷ 1.25 +?2 -42.0156 = 139.0235
(A) 7
(B) 5
(C) 9
(D) 11
(E) 8
Answer: C: 9 Explanation: 125 ÷ 1.25 + x2 – 42 = 139 ⇒ 100 + x2 – 42 = 139 ⇒ x2 = 139 + 42 – 100 ⇒ x2 = 81 x = 9
8) (32.298 × 10.025 ÷ 15.012 + 31.99) ÷ 2.26 = √x
(A) 784
(B) 689
(C) 676
(D) 729
(E) 900
Answer: D: 729 Explanation: (33×10÷15+32) ÷2 = √x ⇒ (22 + 32) /2 = √x ⇒ 27 = √x ⇒ X = 272 X = 729
9) 19.890 + 120.056 – 18.26 + 134.890 – 90.0159 = ?
(A) 500
(B) 655
(C) 625
(D) 502
(E) 575
Answer: D: 502 Explanation: ⇒20 + 120 – 18 + 135 - 90 = ? ⇒275 - 108 = ? ⇒ 167
10) 39.93% of 304.806 + 51.0025% of 510.357 – 173.76 = ?
(A) 326
(B) 192
(C) 251
(D) 203
(E) 119
Answer: D: 203 Explanation: 40/100 × 135 + 50/100 × 510 – 174 = ? ⇒ 122 + 255 – 174 = ? ⇒ 203
