Time: 5 Min.
Directions (Q.1-5): What will come in place of the question mark (?) in the following?
1. 8^4 × 1/(8^3) × 8^5 ÷ 8^2= 8^?
1) 7
2) 2
3) 3
4) 4
5) None of these
2. -(a -b) * ? = (b -a)
2) 1
3) -a
4) a
5) None of these
3. (a + b) = ? * (-a-b)
1) 1
2) -a
3) -1
4) -b
5) None of these.
4. (a^3 - b^3)/(a^2+b^2+ ab) = ?
1) (a-b)
2) (a+b)
3) a*b
4) -a+b
5) None of these
5, 16 + 26 * 2 = ?
1) 84
2) 44
3) 40
4) 832
5) None of these
Directions (Q. 6-10): What approximate value should come in place of question mark (?) in the following questions? (You are not expected to calculate the exact value.
6. 63251 * 82 = ? * 42l05
1) 101
2) 123
3) 147
4) 165
5) 8885
7. (84111)^1/2= ?
1) 240
2) 270
3) 330
4) 290
5) 310
8. (54.78)^2= ?
1) 3000
2) 3300
3) 3500
4) 3700
5) 3900
9. (7171 + 3854 + 1195) ÷ (892 + 214 + 543) = ?
1) 13
2) 18
3) 3
4) 26
5) 7
10. (562 % of 816) + 1449 = ?
1) 4145
2) 5675
3) 6035
4) 7325
5) 8885
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