Directions—(1–5) What approximate value will come in place of the question-mark (?) in the following questions ? (You are not expected to calculate the exact value.)
1. 465•84 + 765•86 – 211•99 = ?
(1) 1100
(2) 1080
(3) 1000
(4) 1020
(5) 1060
2. 151.1% of 151.1 + 151.1 = ?
(1) 380
(2) 400
(3) 350
(4) 420
(5) 440
3. 2001 × 473 ÷ 1001 – 245 = ?
(1) 650
(2) 700
(3) 950
(4) 850
(5)1000
4. √2450 - √1200 + √440 = ?
(1) 59
(2) 53
(3) 44
(4) 25
(5) 36
5. 501/58 * 291/101 ÷ 31/155 = ?
(1) 140
(2) 125
(3) 95
(4) 85
(5)110
Direction (6-10) : In the following number series only one number is wrong. Find out the wrong number.
6. 122, 465, 681, 806, 833, 897, 905
(1) 833
(2) 905
(3) 465
(4) 806
(5) 897
7. 1248, 628, 318, 165, 85.5, 46.75, 27.375
(1) 628
(2) 85.5
(3) 318
(4) 165
(5) 27.375
8. 54.5, 66, 75, 83, 88.5, 92, 93.5
(1) 83
(2) 88.5
(3) 92
(4) 93.5
(5) 75
9. 6, 49, 305, 1545, 6196, 18603, 37218
(1) 6196
(2) 49
(3) 305
(4) 1545
(5) 18603
10. 22, 12, 13.5, 23, 47, 120.5, 365
(1) 120.5
(2) 13.5
(3) 23
(4) 47
(5) 365
Answers:
1. (4)
2. (1)
3. (2)
4. (5)
5. (2)
1. 465•84 + 765•86 – 211•99 = ?
(1) 1100
(2) 1080
(3) 1000
(4) 1020
(5) 1060
2. 151.1% of 151.1 + 151.1 = ?
(1) 380
(2) 400
(3) 350
(4) 420
(5) 440
3. 2001 × 473 ÷ 1001 – 245 = ?
(1) 650
(2) 700
(3) 950
(4) 850
(5)1000
4. √2450 - √1200 + √440 = ?
(1) 59
(2) 53
(3) 44
(4) 25
(5) 36
5. 501/58 * 291/101 ÷ 31/155 = ?
(1) 140
(2) 125
(3) 95
(4) 85
(5)110
Direction (6-10) : In the following number series only one number is wrong. Find out the wrong number.
6. 122, 465, 681, 806, 833, 897, 905
(1) 833
(2) 905
(3) 465
(4) 806
(5) 897
7. 1248, 628, 318, 165, 85.5, 46.75, 27.375
(1) 628
(2) 85.5
(3) 318
(4) 165
(5) 27.375
8. 54.5, 66, 75, 83, 88.5, 92, 93.5
(1) 83
(2) 88.5
(3) 92
(4) 93.5
(5) 75
9. 6, 49, 305, 1545, 6196, 18603, 37218
(1) 6196
(2) 49
(3) 305
(4) 1545
(5) 18603
10. 22, 12, 13.5, 23, 47, 120.5, 365
(1) 120.5
(2) 13.5
(3) 23
(4) 47
(5) 365
Answers:
1. (4)
2. (1)
3. (2)
4. (5)
5. (2)
