Ask a Doubt
Request a call back

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

CBSE Class 10 Answered

If n is an old positive integer, show that (n2 – 1) divisible by 8.
Asked by sr558079 | 04 Jun, 2022, 08:15: PM
answered-by-expert Expert Answer
Please click on the link below 
Show that n2 - 1 is divisible by 8, if n is an odd positive integer.
Answered by Arun | 06 Jun, 2022, 10:05: AM

Application Videos

Concept Videos

Multiple Choice Questions Practice Test Subjective Questions Webinar Subjective Questions Pre Board Assessment
Answered Unanswered My Questions My Answers
CBSE 10 - Maths
The exponent of 5 in the prime factorisation of 3750 is
Asked by ruchipandey20071978 | 07 May, 2023, 01:23: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 10 - Maths
Show that 2√3 - 5 is irrational.
Asked by susrisangita792 | 24 Apr, 2023, 09:59: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 10 - Maths
Prove that the following numbers are irrational: (a) 2 square root of 3 minus 4  (b) fraction numerator 1 over denominator square root of 2 end fraction  (c) square root of 3 plus square root of 5   
question image
Asked by susrisangita792 | 24 Apr, 2023, 03:00: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 10 - Maths
Answer the following in one word, one sentence or as per the exact requirement : (a) Let p and q be two distinct prime numbers. Write HCF (p , q). (b) Fill in the blank space in the statement given below : (i) If p be a prime, then √p is _______number. (ii) If p/q is a rational number then p and q are _____ . (c) √27 is an irrational number. Justify the statement.
question image
Asked by susrisangita792 | 23 Apr, 2023, 09:05: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 10 - Maths
Find the LCM of 2³ × 3² and 2² × 3³.
Asked by susrisangita792 | 22 Apr, 2023, 09:14: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 10 - Maths
Find the largest number of 4-digits which is divisible by 4, 6, 8, 9, 10.
Asked by susrisangita792 | 22 Apr, 2023, 09:13: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 10 - Maths
Find the LCM and HCF of 26 and 91, and verify that LCM × HCF = Product Of Two Numbers.
Asked by susrisangita792 | 22 Apr, 2023, 08:52: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 10 - Maths
Find the smallest number which when divided by 45, 30, 60 having remainder 5 in each case.
Asked by susrisangita792 | 20 Apr, 2023, 08:07: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 10 - Maths
Find the greatest number which divides 90 and 120 completely.
Asked by susrisangita792 | 20 Apr, 2023, 08:06: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 10 - Maths
Find the smallest number which is divisible by 45, 30, 60.
Asked by susrisangita792 | 20 Apr, 2023, 08:05: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
My Class Videos Tests ₹ Plans Ask a Doubt