Chapter 1 – Real Numbers
Show that one and only one out of n, n + 4, n + 8, n + 12 and n + 16 is divisible by 5, where n is any positive integer.
22
Nov
Show that one and only one out of n, n + 4, n + 8, n + 12 and n + 16 is divisible by 5, where n is any positive integer. n + 12 and n + 16 is divisible by 5 n + 4 n = 8 Show that one and only one [...]
For any positive integer n, prove that n^3 ‒ n is divisible by 6.
22
Nov
For any positive integer n, prove that n^3 ‒ n is divisible by 6. For any positive integer n prove that n^3 ‒ n is divisible by 6. November 22, 2020 Category: Chapter 1 - Real Numbers , Maths , NCERT Class 10 ,
Prove that one of any three consecutive positive integers must be divisible by 3.
22
Nov
Prove that one of any three consecutive positive integers must be divisible by 3. Prove that one of any three consecutive positive integers must be divisible by 3. November 22, 2020 Category: Chapter 1 - Real Numbers , Maths , NCERT Class 10 ,
Prove that one and only one out of n, (n + 2) and (n + 4) is divisible by 3, where n is any positive integer.
22
Nov
Prove that one and only one out of n, (n + 2) and (n + 4) is divisible by 3, where n is any positive integer. (n + 2) and (n + 4) is divisible by 3 Prove that one and only one out of n where n is any positive integer. November 22, 2020 [...]
Show that the cube of a positive integer of the form 6q + r, q is an integer and r = 0, 1, 2, 3, 4, 5 is also of the form 6m + r.
22
Nov
Show that the cube of a positive integer of the form 6q + r, q is an integer and r = 0, 1, 2, 3, 4, 5 is also of the form 6m + r. 1 2 3% 4 5 is also of the form 6m + r. q is an integer and r = [...]
Prove that root p + root q is irrational, where p,q are primes.
22
Nov
Prove that root p + root q is irrational, where p,q are primes. Prove that root p + root q is irrational q are primes. where P November 22, 2020 Category: Chapter 1 - Real Numbers , Maths , NCERT Class 10 ,
Write the denominator of rational number 257/5000 in the form 2m × 5n, where m n are non-negative integers. Hence, write its decimal expansion, without actual division.
22
Nov
Write the denominator of rational number 257/5000 in the form 2m × 5n, where m n are non-negative integers. Hence, write its decimal expansion, without actual division. where m n are non-negative integers. Hence without actual division. write its decimal expansion Write the denominator of rational number 257/5000 in the form 2m × 5n November [...]
On a morning walk, three persons step off together and their steps measure 40 cm, 42 cm and 45 cm, respectively. What is the minimum distance each should walk, so that each can cover the same distance in complete steps?
22
Nov
On a morning walk, three persons step off together and their steps measure 40 cm, 42 cm and 45 cm, respectively. What is the minimum distance each should walk, so that each can cover the same distance in complete steps? 42 cm and 45 cm On a morning walk respectively. What is the minimum distance [...]
Show that 12n cannot end with the digit 0 or 5 for any natural number n.
22
Nov
Show that 12n cannot end with the digit 0 or 5 for any natural number n. Show that 12n cannot end with the digit 0 or 5 for any natural number n. November 22, 2020 Category: Chapter 1 - Real Numbers , Maths , NCERT Class 10 ,
Prove that root 3 + root 5 is irrational.
22
Nov
Prove that root 3 + root 5 is irrational. Prove that root 3 + root 5 is irrational. November 22, 2020 Category: Chapter 1 - Real Numbers , Maths , NCERT Class 10 ,