(A) 58
(B) 68
(C) 60
(D) 54
(E) 48
Answer: C: 60
Explanation: ⇒20% of 450 + 30% of 300 = X × 3
⇒20/100 × 450 + 30/100 × 300 = X × 3
⇒90 + 90 = X × 3
⇒X= 180 / 3
⇒X = 60
2) What approximate value will come in the place of question mark (?) in the following question? (24.99 + 23.01) ÷ 2.998 × 4.997 – 39.89 + 343.88 = ?
(A) 265
(B) 612
(C) 384
(D) 379
(E) 425
Answer: 3: 384
Explanation: (25 + 23) ÷ 3 × 5 – 40 + 344 = ?
⇒48/3 × 5 – 40 + 344 = ?
⇒16 × 5 – 40 + 344 = ?
⇒80 – 40 + 344 = ?
⇒? =344 + 40
⇒? =384
3) What approximate value will come in the place of question mark (?) in the following question? (24.88 × 8.07 – 2.09) ÷ 3.11 = 131.93 ÷ ?
(A) 1
(B) 9
(C) 2
(D) 3
(E) 5
Answer: C: 2
Explanation: (25 × 8 – 2) ÷ 3 = 132 ÷ ?
⇒(200 – 2) ÷ 3 = 132 ÷ ?
⇒ 198/3 = 132 ÷ ?
⇒66 = 132 ÷ ?
⇒? = 132/66
⇒? =2
4) What approximate value will come in the place of question mark (?) in the following question? (6824.91 ÷ 4.9) ÷ 13.25 × 39.99 = ?
(A) 4500
(B) 3000
(C) 3500
(D) 3600
(E) 4200
Answer: 5: 4200
Explanation: (6825 ÷ 5) ÷ 13 × 40 = ?
⇒? = 1365 ÷ 13 × 40
⇒? = 105 × 40
⇒? =4200
5) Directions : What value should come in place of (?) in the following questions? (√196 + √225 + √961)÷3 + 15 - 5 = ?
(A) 34
(B) 44
(C) 40
(D) 42
(E) 30
Answer: E: 30
Explanation: Solution: (√196 + √225 + √961)÷3 + 15 - 5 = ?
⇒20 + 15 – 5
⇒ 30
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6) Directions: What value should come in place of (?) in the following questions? 17 × 8 + 18/3 - √361 + √196/7 + 4 × 19
(A) 205
(B) 200
(C) 201
(D) 208
(E) 191
Answer: C: 201
Explanation: Solution: ⇒17 × 8 + 18/3 - √361 + √196/7 + 4 × 19
⇒ 136 + 6 – 19 + 2 + 76
⇒ 142 – 19 + 78
⇒ 220 – 19
⇒ 201
7) 24.0423% of 449.759 + 31.9025% of 300.0234 = ? × 3.010
(A) 58
(B) 68
(C) 63
(D) 54
(E) 48
Answer: B: 68 Explanation: ⇒24% of 450 + 32% of 300 = X × 3
⇒24/100 × 450 + 32/100 × 300 = X × 3
⇒108 + 96 = X × 3
⇒204 = X × 3 ⇒X= 204 / 3
⇒X = 68
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8) What approximate value will come in the place of question mark (?) in the following question? (24.99 + 23.01) ÷ 2.998 × 4.997 – 39.89 + 343.88 =?
(A) 265
(B) 612
(C) 384
(D) 379
(E) 425
Answer: C: 384 Explanation: (25 + 23) ÷ 3 × 5 – 40 + 344 = ?
⇒48/3 × 5 – 40 + 344 = ?
⇒16 × 5 – 40 + 344 = ?
⇒80 – 40 + 344 = ?
⇒? =344 + 40
⇒? =384
9) What approximate value will come in the place of question mark (?) in the following question? (24.88 × 8.07 – 2.09) ÷ 3.11 = 131.93 ÷ ?
(A) 1
(B) 9
(C) 2
(D) 3
(E) 5
Answer: C: 2 Explanation: (25 × 8 – 2) ÷ 3 = 132 ÷ ? ⇒(200 – 2) ÷ 3 = 132 ÷ ?
⇒ 198/3 = 132 ÷ ?
⇒66 = 132 ÷ ?
⇒? = 132/66
⇒? =2
10) Directions: What value should come in place of (?) in the following question? ? = 5.8 × 2.5 + 0.6 × 6.75 + 139.25
(A) 157.30
(B) 157.80
(C) 158.40
(D) 160.30
(E) None of these
Answer: B: 157.80 Explanation: Solution: ⇒ 5.8 × 2.5 + 0.6 × 6.75 + 139.25
⇒ 14.50 + 4.05 + 139.25
⇒ 157.80
