Explanation

Three consecutive odd numbers: n-2, n, n+2  

Sum = 3n = 57 → n = 19  

Last verified on 14-04-2026

Explanation

LCM of 16, 24, 30:  

16 = 2⁴  

24 = 2³ × 3  

30 = 2 × 3 × 5  

LCM = 2⁴ × 3 × 5 = 240  

240 is three-digit, so that’s it.  

Last verified on 14-04-2026

Explanation

LCM of 4 and 10: multiples of 4 = 4, 8, 12, 16, 20... multiples of 10 = 10, 20...

First common multiple = 20 

Last verified on 12-04-2026

Explanation

• The smallest common multiple of given numbers is called LCM.
• LCM stands for Least Common Multiple.
• It is the smallest number divisible by all given numbers.
• Used in fractions and number problems.

Last verified on 11-04-2026

Explanation

Let numbers be $n,n+1,n+2,n+3$
Product= $n(n+1)(n+2)(n+3)$
Add 1 → expression becomes a perfect square.