Question

9. The total numbers from 1 to 400 which are
divisible either by 3 or by 7 are
(1) 195 (2) 171 (3) 133 (4) 190​

Answer 1

Answer:

(1) is divisibile by 3 only

(2) is divisibile by 3 only

(3) is divisibile by 3 and 7 both

(4) is divisibile by none

Answer 2

(3)133 no.s b/w 1 to 400 which are divisible by 3

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