"Find the least number divisible by 15,16 and 20 leaving remainder of 7 in each case
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Ans = 247✔️
Step-by-step explanation:
Answer : LCM of 15, 16 and 20.
15 = 3 × 5
16 = 2 × 2 × 4
20= 2 ×2 × 5
Therefore,
LCM = 2 × 2 × 3 × 4 × 5
= 240
BUT WE WANT REMAINDER 7
That's Why, 240 + 7 = 247 ✔️✔️✔️
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