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? xx (|a| xx |b|) = - ab (a) 0     (b) −...

`? xx (|a| xx |b|) = - ab` (a) 0     (b) −1 (c) 1  (d) None of these

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RS AGGARWAL-NUMBER SYSTEM-All Questions
  1. What is 348 times 265? 88740                        (b)  89750 92220  ...

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  2. (71xx29+27xx15+8xx4) equals 2496 (b) 3450 (c) 3458 (d) None of t...

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  3. ? xx (|a| xx |b|) = - ab (a) 0     (b) −1 (c) 1  (d) None of these

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  4. (46)^2-(?)^2=4398-3066 16 (b) 28 (c) 36 (d) 42 None of these

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  5. (800\ -:64\ )xx(1296\ -:36)=? 420 (b) 460 (c) 500 (d) 540 None ...

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  6. 5358xx51=? 273258 (b) 273268 (c) 273348 (d) 273358

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  7. 587 xx 999 = ? 586413 (b) 587523 (c) 614823 (d) 615173

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  8. 3897xx999\ =? 3883203 (b) 3893103 (c) 3639403 3791203 (e) No...

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  9. 72519xx9999\ =? 725117481 (b) 674217481 (c) 685126481 696217481 (e...

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  10. 2056xx987\ =? 1936372 (b) 2029272 (c) 1896172 (d) 1923472 (e) ...

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  11. 1904xx1904\ =? 3654316 (b) 3632646 (c) 3625216 3623436 (e) N...

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  12. 1397 xx 1397 = ? 1951609 (b) 1981709 (c) 18362619 2031719 (e)...

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  13. 107 xx 107 + 93 xx 93 = ? (a) 19578 (b) 19418 (c) 20098 (d) 2...

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  14. 217 xx 217 + 183 xx 183 = ? 79698 (b) 80578 (c) 80698 (d) 81268 ...

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  15. 106 xx 106 94 xx 94 = ? 2400 (b) 2000 (c) 1904 (d) 1906 None of...

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  16. 8796 xx 223 + 8796 xx 77 = ? 2736900 (b) 2738800 (c) 2658560 271...

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  17. 287 xx 287 + 269 xx 269 - 2 xx 287 xx 269 = ? 534 (b) 446 (c) 35...

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  18. {(476+424)^2-4xx476xx424}=? 2906 (b) 3116 (c) 2704 (d) 2904 Non...

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

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

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