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Quantitative Aptitude

SIMPLIFICATION MCQs

Simplication

Total Questions : 1537 | Page 153 of 154 pages
Question 1521. ? % of 400 + 40% of 160 = 17% of 400
  1.    4
  2.    0.1
  3.    1
  4.    0.4
 Discuss Question
Answer: Option C. -> 1
? % OF 400 + 40% OF 160 = 17% OF 400
?/100 OF 400 + 40/100 OF 160 = 17/100 OF 400
?(4) + 64 = 68 => ? = 1
Question 1522. [8 + {(21 * √9/441 – 1 /5 of 60% – 1/5) * 625 + 7} ÷ 4] = _________?
  1.    10
  2.    15
  3.    7
  4.    16
 Discuss Question
Answer: Option D. -> 16
[8 + {(21 * √9/441 – 1 /5 OF 60% – 1/5) * 625 + 7} ÷ 4] = ?
=[8 + [(2/5 * 3/5 – 1/5) * 625 + 7} ÷ 4] = ?
=[8 + {(6 – 5 /25) * 625 + 7} ÷ 4 = ?
=[8 + {32} ÷ 4] = ? = 16
Question 1523. [3/7 of {21 * (33.33% of (27 + 3) ÷ 5) – 7} – 8] = _______?
  1.    7
  2.    10
  3.    15
  4.    49
 Discuss Question
Answer: Option A. -> 7
[3/7 OF {21 * (33.33% OF (27 + 3) ÷ 5) – 7} – 8] = ?
= [3/7 OF {21 * (1/3 * 30 ÷ 5) – 7} – 8] = ?
= 3/7 OF [{21 * 2 – 7} – 8] = ? => {3/7 * 35 – 8} = ? => 7
Question 1524. 421 * 0.9 + 130 * 101 + 10000 = ___________?
  1.    33500
  2.    23500
  3.    22500
  4.    24500
 Discuss Question
Answer: Option B. -> 23500
421 * 0.9 + 130 * 101 + 10000
= 378.9 + 1313 + 10000 = 23508.9 = 23500
Question 1525. 22004 – 29303 + 101299 – 59532 = _________?
  1.    44000
  2.    24500
  3.    34500
  4.    26000
 Discuss Question
Answer: Option C. -> 34500
22004 – 29303 + 101299 – 59532
123303 – 888.35 = 34468 = 34500
Question 1526. 30.9 * 3000 – 10.1 * 1100 + 8298 – 4302 = _________?
  1.    80000
  2.    90000
  3.    105000
  4.    85000
 Discuss Question
Answer: Option D. -> 85000
9 * 3000 – 10.1 * 1100 + 8238 – 4302
31 * 3000 – 1010 * 11 + 8298 – 4302
93000 + 8298 – 11110 – 4302 = 101298 – 15412
= 85886 = 85000
Question 1527. [10 + {4 * ({2/3 + 1/4} * √144/121 + 23) ÷ 12 + 5} – 3] = _______?
  1.    20
  2.    8
  3.    10
  4.    15
 Discuss Question
Answer: Option A. -> 20
[10 + { 4 * (2/3 + 1/4 * √144/121 + 23) ÷ 12 + 5} – 3] = ? [10 + { 4 * (11/12 * 12/11 + 23) ÷ 12 + 5 } – 3] = ?
= [10 + {4 * 24 ÷ 12 + 5} – 3] = ?
= [10 + 13 – 3] = ? = > 20
Question 1528. [50 – {20 + 60% of (26/13 + 24/12 + 21) – 2} + 8] = 625/?
  1.    25
  2.    125
  3.    241/5
  4.    253/5
 Discuss Question
Answer: Option A. -> 25
[50 – {20 + 60% OF (26/13 + 24/12 + 21) – 2} + 8] = 625/X => [50 – {20 + 3/5 OF (25) – 2} + 8] = 625/X
=> [50 – 33 + 8] = 625/X => X = 25
Question 1529. 12.5 + 10 1/4 of 100 ÷ 10% of 10 = ____________?
  1.    1037.50
  2.    1157.50
  3.    103.75
  4.    1038
 Discuss Question
Answer: Option A. -> 1037.50
12.5 + 10 1/4 OF 100 ÷ 10% OF 10
= 12.5 + 41/4 OF 100 ÷ 10/100 OF 10
= 12.5 + 41(25) ÷ 1 = 12.5 + 1025 = 1037.5
Question 1530. 16.66% of 33.33% of 66.66% of ? = 30
  1.    90
  2.    270
  3.    810
  4.    240
 Discuss Question
Answer: Option C. -> 810
16.66% OF 33.33% OF 66.66% OF X = 30
= 1/6 OF 1/3 OF 2/3 OF X = 30
=> (30 * 6 * 3 * 3)/2 => X = 810

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