Maths
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 ,
Using Euclid’s division algorithm, first the largest number that divides 1251, 9377 and 15628 leaving remainders 1, 2 and 3, respectively.
22
Nov
Using Euclid’s division algorithm, first the largest number that divides 1251, 9377 and 15628 leaving remainders 1, 2 and 3, respectively. 2) and (3 9377 and 15628 leaving remainders 1 first the largest number that divides 1251 respectively Using Euclid’s division algorithm November 22, 2020 Category: Chapter 1 - Real Numbers , Maths , NCERT [...]
Use Euclid’s division algorithm to find the HCF of 441, 567 and 693.
22
Nov
Use Euclid’s division algorithm to find the HCF of 441, 567 and 693. 567 and 693. Use Euclid’s division algorithm to find the HCF of 441 November 22, 2020 Category: Chapter 1 - Real Numbers , Maths , NCERT Class 10 ,
Prove that, if x and y are both odd positive integers, then x^2 + y^2 is even but not divisible by 4.
22
Nov
Prove that, if x and y are both odd positive integers, then x^2 + y^2 is even but not divisible by 4. if x and y are both odd positive integers Prove that then x^2 + y^2 is even but not divisible by 4. November 22, 2020 Category: Chapter 1 - Real Numbers , Maths [...]