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Gurukul career classes, UNIT DIGIT, , Find unit place digit?, , 20. 23 4  345  456  567  678  78 9  8910  91011, , 1., , 327 + 528 + 973, , 21., , 2., , 357 × 872 × 357, , 3., , 52838, , 4., , 93726 + 52828 + 25656, , 23. 41 + 92 + 43 + 94 + ---- + 499 + 9100, , 5., , 123123 × 124124 × 125125, , 24. The unit digit of (12345K)72 is 6 what is the value of K ?, , 6., , 217413 × 819547 × 414624 × 324812, , (12345K)72, , 7., , If unit digit of 433 × 456 × 43N is (N + 2) what is the, value of N ?, , (a), , 8, , (b) 6, , (c), , 2, , (d) All of these, , ca G, u, re ru, er k, u, cl l, as, se, s, , 22. 41 ×92 × 43 × 94 × 45 × --- × 499 × 9100, , 433 × 456 × 43N, (A) 2, , (N + 2), , (C) 6, 9., , 288523 + 329330 – 367321, , 10., , 1  2  3      99, , 11., , 32, , 12., , 53, , 37, , 13. 327, , 97, , 32, , 28. Find the last digit of, , 12 + 22 + 32 + ----- + 992 + 1002, , 1  2  3      99, , 15., , 1  2, , 16., , 1  2  3      99, , 19, , 26. Find unit digit of product of all prime numbers qreater, than 2 less than 2222., , 27. Find the unit place digit of sum of first 111 whole, number., , 14., , 99, , 98, , 1, , 2, , 1, , 2, , 97, ,  3, ,  4, , 96, , 29. Find the unit digit of, , 1, ,      99, , 3, , 99, , 3, , 99, , 1  2  3      99, , 18. 1, , 25. Find unit digit of product of all prime numbers till 9999., , (D) 8, , 58223 – 38737, , 99, , N, , K, , (B) 4, , 8., , 17., , 1255 848, , 311 1618, , ×2, , 98, , ×3, , 97, , × ---- × 99, , 13 + 23 + 33 + ---- + 1003, , 30. 15 + 25 + 35 + ----- + 205, , What is the unit place digit., , 1, , 1  2  3  4      10, 100, , 1., 2., 3., 4., 5., 6., , 8, 8, 4, 1, 0, 8, , ANSWER KEY, , 7. (C), 8., 1, 9., 6, 10. 0, 11. 0, 12. 0, , 13., 14., 15., 16., 17., 18., , 1, 3, 7, 7, 0, 0, , 19. 8, 20. 0, 21. 0, 22. 6, 23. 0, 24. (D), , 25., 26., 27., 28., 29., 30., , 0, 5, 5, 0, 0, 0, , Naalband crossing panchkuiya agra 9557915491,8433259818