विषय:– घातांक और करणी

विषय:– घातांक और करणी

*1. √0.064 = ?*

[A] .25
[B] .008
[C] .08
[D] .8

*2. √0.4 = ?*

[A] .02
[B] .2
[C] .632
[D] .613

*3. √1296 = (?)²*

[A] 1296
[B] 625
[C] 36
[D] 6

*4. √162 /√288 = ?*

[A] 3/4
[B] 1/2
[C] 2/3
[D] 1/4

*5. √176 + √2401 = ?*

[A] 24
[B] 16
[C] 15
[D] 12

*6. √2 + √2 + √2 + ….. ∞ = ?*

[A] 2.5
[B] 2
[C] 1.5
[D] 1

*7. √2/(2 + √2) = ?*

[A] ‘(1 – √2)
[B] ‘2√2
[C] ‘(√2 + 1)
[D] ‘(√2 – 1)

*8. √24 + √216/√96 = ?*

[A] 2
[B] ‘2√6
[C] ‘√6/3
[D] ‘6√2

*9. √256/? X √625/? = 4*

[A] 20
[B] 10
[C] 16
[D] इनमें से कोई नहीं

*10. √3 = 1.732 तथा √2 = 1.414 हो, तो (√3 + √2/√3 – √2) का वर्गमूल कितना होगा?*

[A] 3.146
[B] 1.732
[C] 1.414
[D] इनमें से कोई नहीं

*11. √4356 = ?*

[A] 55
[B] 36
[C] 66
[D] 44

*12. √6 + √6 + √6 + …….∞ = ?*

[A] 6
[B] 5
[C] 4
[D] 3

*13. √8464 + √? = 102*

[A] 625
[B] 400
[C] 225
[D] 100

*14. √98 X √72 = ?*

[A] 36
[B] 14
[C] 84
[D] 64

*15. 10, 16 तथा 24 तीनों से विभाजित होने वाली सबसे छोटी वर्ग संख्या क्या है?*

[A] 3600
[B] 2500
[C] 1600
[D] 900

*16. 121/? = ?/81*

[A] 99
[B] 89
[C] 85
[D] 73

*17. 256 X 256 – 144 X 144/112 = ?*

[A] 320
[B] 360
[C] 400
[D] 420

*18. 294 को किस छोटी से छोटी संख्या से गुणा करें कि गुणनफल एक पूर्ण वर्ग हो?*

[A] 24
[B] 6
[C] 3
[D] 2

*19. ³√4096 =?*

[A] 24
[B] 18
[C] 26
[D] 16

*20. 52/? = ?/13.*

[A] 18
[B] 21
[C] 26
[D] 30

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