Directions (Q. 1–5): What value should come in the place of question mark (?) in the following questions?
1. (-6 + 9 * ? + 16 + 9)/(14 * 14 - 156) = 7
2. sqroot(?)/sqroot(441) = sqroot(529)/11.5
3. 1.33 × 6 – 2.85 ÷ ? = 6.48
4. (11*11)/(7*7) - (36*?)/(7*7) + (18*18)/(7*7) = 1
5. cuberoot(658503) + cuberoot(2197) = ?
6. [cuberoot(11)]^1/2 / (1331)^(-1/2) * [cuberoot(11)]^2 = [cuberoot(11)]^?
7. 9 6/17 * 3 4/27 * 9/5 + 8 4/5 * 9 6/11 = ?
8. 9/11 of 517 / 12 = ? / 212
9. 24089.58 – 14199.08 – 2329.50 = ?
10. sqroot(16641) × sqroot(1024) ÷ sqroot(4096) = ?
– 6 + 9× ? + 25 = 7 (196 – 156)
19 + 9 × ? = 7 × 40
9 × ? = 261
sqroot(?) = 23/11.5 * 21 = 42
2.85 ÷ ? = 7.98 – 6.48
121/49 + 324/49 - 1 = (36 * ?)/49
396 = 36 × ?
? = 87 + 13 = 100
[cuberoot(11)]^? = (11)^1/6 / (11)^(-3/2) * 11^(2/3)
(11)^?/3 = (11)^(1/6 + 3/2 + 2/3)
?/3 = (1 + 9 + 4)/6
? = 159/17 * 85/27 * 9/5 + 44/5 * 105/11
? / 212 = 9/11 * 517/12
? = 9/11 * 517/12 * 212
? = 129 * 32 / 64
= 129/2 = 64.5
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