Saved Bookmarks
| 1. |
Sum of 3 consecutive multiples of 7 is 672 find its multiples ...... |
|
Answer» Answer: Hii... Let us take three consecutive MULTIPLES of 7 as, 7X,(7x+7),(7x+14) [x is a natural number] 7x+(7x+7)+(7x+14)=357 ⇒21x+21=357 ⇒21(x+1)=357 ⇒ 21 21(x+1)
= 21 357
[DIVING both sides by 21] ⇒x+1=17 x=17−1 x=16 Hence, the SMALLEST multiple of 7 is 7∗16=112 HOPE THIS HELPS YOU |
|