New Learning Composite Mathematics SK Gupta Anubhuti Gangal Class 6 Playing With Numbers Self Practice 3B Solution
(1) 260, 7018, 20008, 148
(2) 48, 594, 3096, 609513
(3) 524, 71316, 8001008
(4) 365, 7290, 21340, 845
(5) 516, 7038, 800712
(6) 464, 4176, 87544, 900392
(7) 639, 29304, 38457
(8) 670, 90020, 57390
(9) 418, 7909, 17743, 10000001
(10) Divisible by 2 and 5 only.
(11) Divisible by 6, 8, 10 only.
(12) (a) Yes, it is also divisible by its factors because 6 & 9 are not co-prime.
(b) No, it is not divisible by their product because 6 & 9 are not co –prime.
(13) 705 2 4 is divisible by 3.
(14) 9 3 2760 is divisible by 9.
(15) (a) Yes
(b) Yes
(c) Yes
(d) Yes
(e) Yes
(f) Yes
(g) No
(h) Yes
(i) No
(16) 984 and 1736 are divisible by 8
Sum of 984 and 1736 = 2720, divisible by 8 differences of 1736 and 384= 752, divisible by 8.