Mini Quiz 11 Simplification 1 / 10 1. What will come in the place of question mark(?) in given expression ?36 × ((?)^2 – 10) = √1089 of 18 + 27 × 30 A) 7 B) 8 C) 6 D) 9 E) None of these Ans. (C)36 × ((?)^2 – 10) = √1089 of 18 + 27 ×3036 × ((?)^2 – 10) = 33 × 18 + 81036 × ((?)^2 – 10) = 594 + 81036 × ((?)^2 – 10) = 1404(?)^2 – 10 = 39(?)^2 = 49(?) = 7 2 / 10 2. What will come in the place of question mark(?) in given expression ?(?) = 4 × (2197^(2/3) + 6561 ^(1/2)) † 50 A) 10 B) None of these C) 20 D) 15 E) 25 Ans. (A)(?) = 4 × (2197^(2/3 )+ 6561^(1/2)) † 50(?) = 4 × (132 + 81) † 50(?) = 4 × (169 + 81) † 50(?) = 4 × 250 † 50(?) = 4 × 5 = 20 3 / 10 3. What will come in the place of question mark(?) in given expression ?(?) † 78 = (√841 + √1369) † 22 A) 513 B) 234 C) 355 D) None of these E) 456 Ans. (A)(?) † 78 = (√841 + √1369) † 22(?) † 78 = (29 + 37) † 22(?) † 78 = 66 † 22(?) = 78 × 3 = 234 4 / 10 4. What will come in the place of question mark(?) in given expression ?(?) = 58.33% of 7200 + 35% of 1880 A) 4231 B) 4597 C) None of these D) 4623 E) 4858 Ans. (B)(?) = 58.33% of 7200 + 35% of 1880(?) = 7/12 × 7200 + 0.35 × 1880(?) = 4200 + 658 = 4858 5 / 10 5. What will come in the place of question mark(?) in given expression ?(?)^3 = {(√5.29 + √32.49) † 0.04} † 1.6 A) 4 B) None of these C) 5 D) 2 E) 3 Ans. (C)(?)3 = {(√5.29 + √32.49) † 0.04} † 1.6(?)3 = {(2.3 + 5.7) † 0.04} † 1.6(?)3 = {8 † 0.04} † 1.6(?)3 = 200 † 1.6 = 125(?) = 5 6 / 10 6. What will come in the place of question mark(?) in given expression ?(?)^2 = (4032 × 25) † 105 + 1 A) 35 B) 30 C) 28 D) None of these E) 31 Ans. (B)(?)^2 = (4032 × 25) † 105 + 1(?)^2 = 192 × 5 + 1(?)^2 = 960 + 1 = 961(?) = 31 7 / 10 7. What will come in the place of question mark(?) in given expression ?(?) = 1.36% of 1250 + 0.72% of 2500 A) 35 B) 36 C) 30 D) None of these E) 28 Ans. (D)(?) = 1.36% of 1250 + 0.72% of 2500(?) = 1.36 × 12.5 + 0.72 × 25(?) = 17 + 18 = 35 8 / 10 8. What will come in the place of question mark(?) in given expression ?(?) + 28 × 56 = 193 – 163 + 292 A) 1789 B) 2036 C) None of these D) 1945 E) 1623 Ans. (D)(?) + 28 × 56 = 193 – 163 + 292(?) + 1568 = 6859 – 4096 + 841(?) = 3604 – 1568 = 2036 9 / 10 9. What will come in the place of question mark(?) in given expression ?(?) + 5882 = (12168/26)/12 × 230 A) 3245 B) 3665 C) 3468 D) 3088 E) None of these Ans. (C)(?) + 5882 = (12168/26)/12 × 230(?) + 5882 = 468/12 × 230(?) = 39 × 230 – 5882(?) = 8970 – 5882 = 3088 10 / 10 10. What will come in the place of question mark(?) in given expression ?468/(?) = (78 × 15 + 1222)/46 A) None of these B) 9 C) 8 D) 6 E) 5 Ans. (A)468/(?) = (78 × 15 + 1222)/46468/(?) = (1170 + 1222)/46468/(?) = 2392/46(?) = 468/52 = 9 Your score is The average score is 10% 0% Restart quiz
