CBSE Class 8 Answered
A no consist of two digit of which tens digit exceeds the unit digit by 7.the no itself is equal to 10 times the sum of its digit.find the number
Asked by anshulasingh461 | 25 Oct, 2018, 05:44: PM
Expert Answer
Let the number be xy.
According to the question,
x = y + 7.....(i)
10x + y = 10(x + y)
10x + y = 10x + 10y
10y - y = 0
9y = 0
y = 0
From (i)
x = 0 + 7 = 7
Hence, the number is 70.
Answered by Sneha shidid | 26 Oct, 2018, 10:24: AM
Application Videos
Concept Videos
CBSE 8 - Maths
Asked by pinkiyadav79919 | 22 Apr, 2024, 08:03: PM
ANSWERED BY EXPERT
CBSE 8 - Maths
Asked by hk1354035 | 20 Apr, 2024, 06:33: AM
ANSWERED BY EXPERT
CBSE 8 - Maths
Asked by kaminiverma8787 | 16 Apr, 2024, 04:22: PM
ANSWERED BY EXPERT
CBSE 8 - Maths
Asked by chauhanshivansh112 | 15 Apr, 2024, 08:41: PM
ANSWERED BY EXPERT
CBSE 8 - Maths
Asked by anuragprasad24311 | 03 Apr, 2024, 01:07: PM
ANSWERED BY EXPERT
CBSE 8 - Maths
Asked by padmadandu1207 | 02 Apr, 2024, 10:25: PM
ANSWERED BY EXPERT
CBSE 8 - Maths
Asked by rathlavathpandu601 | 31 Mar, 2024, 08:33: AM
ANSWERED BY EXPERT
CBSE 8 - Maths
Asked by nainaadityathakur | 27 Mar, 2024, 10:33: AM
ANSWERED BY EXPERT