Directions (Q. 1-5): What value should come in place of question mark (?) in the following number series?
1. 124 215 342 511 ? 999
1) 695
2) 625
3) 728
4) 806
5) 573
2. 516 256 126 61 28.5 ?
1) 12.25
2) 16.75
3) 14.25
4) 20.20
5) 18.7
3. 7 21 50 109 ? 467
1) 198
2) 228
3) 372
4) 402
5) 275
4. 18 82 118 134 138 ?
1) 132
2) 198
3) 125
4) 138
5) 92
5. 5 22 103 406 ? 2422
1) 1516
2) 1298
3) 1136
4) 1602
5) 1213
Directions (Q. 6-10): What approximate value should come in place of the question mark (?) in the following questions?
6. √5590 / 3√3370 = ?
1) 2
2) 3
3) 4
4) 5
5) 6
7. [(3525 + 5567 + 9853) ÷ (3132 + 1975 + 2275) × 7 = ?
1) 15
2) 18
3) 21
4) 24
5) 28
8. √25000 * √3.999 = ?
1) 308
2) 312
3) 314
4) 316
5) 318
9. [4/5 * (2/7 * 5/3 / 7/9) of 347 = ?
1) 168
2) 170
3) 175
4) 180
5) 185
10. (13.98)^2 + 272% of 75 = ?
1) 360
2) 380
3) 400
4) 420
5) 440
Answers:
1. 3
The series is
5^3 – 1 = 124
6^3 – 1 = 215
7^3 – 1 = 342
8^3 – 1 = 511
9^3 – 1 = 728
10^3 – 1 = 999
Reqd answer = 728
2. 1
The series is
3. 2
The series is
4. 4
The series is
5. 5
The series is
6. 4
√5599 / 3√3370 = ?
75 ÷ 15 = ?
? = 5
7. 2
(3525 + 5567 + 9853) ÷ (3132 + 1975 + 2275) × 7 = ?
18945 ÷ 7382 × 7
2.57 × 7 = 17.99 18
8. 4
√25000 * √3.999 = 4
158 × 2 = 316
9. 2
[4/5 * (2/7 * 5/3) / 7/9] of 347 =4/5 * 10/21 * 9/7 * 347 = ?
10. 3
(13.98)^2 + 272% of 75 = ?
196 + 272 * 3/4 = ?
196 + 204 = ?
? = 400
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