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106 xx 106 94 xx 94 = ? 2400 (b) 200...

106 `xx` 106 94 `xx` 94 = ? 2400 (b) 2000 (c) 1904 (d) 1906 None of these

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RS AGGARWAL-NUMBER SYSTEM-All Questions
  1. 107 xx 107 + 93 xx 93 = ? (a) 19578 (b) 19418 (c) 20098 (d) 2...

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  2. 217 xx 217 + 183 xx 183 = ? 79698 (b) 80578 (c) 80698 (d) 81268 ...

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  3. 106 xx 106 94 xx 94 = ? 2400 (b) 2000 (c) 1904 (d) 1906 None of...

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  4. 8796 xx 223 + 8796 xx 77 = ? 2736900 (b) 2738800 (c) 2658560 271...

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  5. 287 xx 287 + 269 xx 269 - 2 xx 287 xx 269 = ? 534 (b) 446 (c) 35...

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  6. {(476+424)^2-4xx476xx424}=? 2906 (b) 3116 (c) 2704 (d) 2904 Non...

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  7. The value of 112 xx 5^4 is (a) 6700 (b) 70000 (c) 76500 (d) 77200

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  8. Multiply 5746320819 by 125. 718,290,102,375          (b)  728,490,3...

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  9. 935421 xx 625 = ? 575648125 (b) 584638125 584649125 (d) 58562812...

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  10. (999)^2-(998)^2=? 1992 (b) 1995 (c) 1997 (d) 1998

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  11. (80)^2-(65)^2+81=? 306 (b) 2094 (c) 2175 (d) 2256 None of these

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  12. (24+25+26)^2-(10+20+25)^2=? 352 (b) 400 (c) 752 (d) 2600 None o...

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  13. (65)^2-(55)^2=? 10 (b) 100 (c) 120 (d) 1200

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  14. If a and b be positive integers such that a^2-b^2=19 , then the value ...

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  15. If a\ a n d\ b are positive integers, a\ >\ b and (a+b)^2-(a-b)^2> 29 ...

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  16. 397xx397+104xx104+2xx397xx104=? 250001 (b) 251001 (c) 260101 (d...

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  17. If (64)^2-(36)^2=20xxx\ t h e n\ x=? 70 (b) 120 (c) 180 (d) 140...

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  18. ((489+375)^2-\ (489-375)^2=?)/((489xx375)) 144 (b) 864 (c) 2 (d...

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  19. ((963+476)^2+\ (963-476)^2)/((963xx963+\ 476xx476))=? 2 (b) 4 (c) ...

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  20. (768×768×768+232×232×232)/(786×768−768×232+232×232) =? (a) 1000       ...

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