Request a call back

Join NOW to get access to exclusive study material for best results

CBSE Class 8 Answered

What is the divisibility test of 7?
Asked by manishasain28 | 08 Feb, 2019, 04:09: PM
answered-by-expert Expert Answer
Divisibility test of 7:
1. Double the last number
2. Subtract this number from the remaining digits
3. If the number equals 0 or is divisible by 7 then the original number is divisible by 7.
 
Examples:
 
1. 224 
 
double of 4 = 8
 
22 - 8 = 14
 
We know that 14 is divisible by 7.
 
→224 is divisible by 7.
 
2. 147
double of 7 = 14
 
14 - 14 = 0
 
→147 is divisible by 7.

Answered by Yasmeen Khan | 08 Feb, 2019, 04:38: PM
CBSE 8 - Maths
Asked by tarjeet1970 | 28 May, 2020, 09:13: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 8 - Maths
Asked by singhvishnu427 | 29 Jun, 2019, 07:48: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 8 - Maths
Asked by manishasain28 | 08 Feb, 2019, 04:09: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 8 - Maths
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 8 - Maths
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 8 - Maths
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 8 - Maths
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 8 - Maths
Asked by Topperlearning User | 12 Dec, 2013, 01:39: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 8 - Maths
Asked by Topperlearning User | 12 Dec, 2013, 02:44: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
Get Latest Study Material for Academic year 24-25 Click here
×