How many three digit natural number are divisible by 7
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128
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Sol. is in the picture
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a= 105 , d= 7 , An= 994 , n= ?
Formula ;- an= a+ (n-1) d
994 = 105+(n-1) 7
889 = 7(n-1)
⇒ n -1 = 127
∴ n = 128.
thanks me Later ❤️
Formula ;- an= a+ (n-1) d
994 = 105+(n-1) 7
889 = 7(n-1)
⇒ n -1 = 127
∴ n = 128.
thanks me Later ❤️
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