What is the least number which when divided by 7 is divisible by each one of 21 28 36 and 45?

Posted on by Author

What is the least number which when divided by 7 is divisible by each one of 21 28 36 and 45?

What is the least number which when diminished by 7, is divisible by each one of 21, 28, 36 and 45? – The Math Guru. 21=7*3,28=2*2*7,36=3*3*2*2 and 45=3*3*5 ,so LCM of 2128,36 and 45 is 7*3*2*2*3*5=1260.. So that number isc1260+7=1267.

READ:   What is Microsoft COM email?

What is the least number which when increased by 7?

Answer: The smallest number which when increased by 7 is exactly divisible by 6 and 32 is 89.

What is the least number which when increased by 5 is exactly divisible by 4 5 6 and 7?

Detailed Solution. ∴ Required number is 175.

What is the least number which when divided by 5 6 7?

Detailed Solution. ∴ The least number is 1683 which when divided by 5, 6, 7 and 8 leaves a remainder 3, but when divided by 9 leaves no remainder.

What is the least number which when diminished by 7?

We are given that the smallest number is diminished by 7, to get divisible by all the numbers. ⇒ Required Number −7= LCM of all the numbers. Therefore, the smallest number which when diminished by 7, is divisible 12, 16, 18, 21 and 28 is 1015. Thus, option (B) is the correct answer.

What is the smallest number which when divided by 7?

READ:   How do I convince my landlord to choose me?

Answer is “504”

What is the least number of 4 digit when increased by 7?

1673 is the right answer. LCM of 35,48,56 is 1680. So 1673 when increased by 7 is 1680. Concept used is LCM.

What is the least multiple of 7 which leaves a remainder of 4 when divided by 6 9 15 and 18?

364
∴ 364 is the least multiple of 7 which leaves 4 as remainder when divided by each of 6, 9, 15 and 18 .

What is the least number which leaves remainder 3 and 7 respectively when divided by 7 and 11?

∴ The least number which leaves remainder 3 and 7 respectively when divided by 7 and 11 is 73.

What is the least number which when divided by 5 6 7 and 8 leaves Aremainder 3 but when divided by 9 leaves no remainder?

If k = 2, number = (840 × 2) + 3 = 1683 which is divisible by 9. Hence 1683 is the least number which when divided by 5, 6, 7 and 8 leaves a remainder 3, but when divided by 9 leaves no remainder.

READ:   Can kidney failure cause hypertensive crisis?

What is the least multiple of 7?

LCM of 6, 9, 15, 18 is 90. Let the number is (90k+4),which is multiple of 7. Put the value of k=1, 2, 3, 4, 5…. ∴ 364 is the least multiple of 7 which leaves 4 as remainder when divided by each of 6, 9, 15 and 18 .

What is the least number which when decreased by 7 is divisible by each one of 15 21 30?

Step-by-step explanation: So the required number is 1015.

https://www.youtube.com/watch?v=9O0–mwOH3M