Find the smallest number which when increased by 17 is exactly divisible by 520 and 468?
show that the cube of any positive integer is of the form 9m,9m+1 or 9m+8
1. Find the HCF of 81 and 237 and express it as a linear combination of 81 and 237.
2. Find the HCF of 65 and 117 and express it in the form 65m + 117n.
3. If the Hcf of the 210 and 55 is expressible in the form 210 X 5 + 55y, find y.
write one rational number between root 2 and root 3?
show that square of any positive integer cannot be of the form 5q+2 or 5q+3 for any integer q
Find the greatest number of 6 digits exactly divisible by 24, 15 and 36
real life examples of hcf and lcm
Find the HCF of 81 and 237 and express it as a linear combination of 81 and 237
In a morning walk 3 persons step off together, their steps measure 80 cm, 85 cm and 90 cm respectively. What is the minimum distance each should walk so that he can cover the distance in complete steps?
Question from R.D. Sharma........
prove that root 2 is irrational
show that there is no positive integer n so that root(n-1)+root(n+1) is rational
Show that square of any positive odd integer is of the form 8m + 1, for some integer m.
show that 12n cannot end with digit 0 or 5 for any natural number n
Prove that if x and y are odd positive integers, then x2+y2 is even but not divisible by 4.
prove that if x and y are odd positive integers,the x2 +y2 is even but not divisible by 4.
Find the smallest number which when increased by 17 is exactly divisible by 520 and 468?
show that the cube of any positive integer is of the form 9m,9m+1 or 9m+8
1. Find the HCF of 81 and 237 and express it as a linear combination of 81 and 237.
2. Find the HCF of 65 and 117 and express it in the form 65m + 117n.
3. If the Hcf of the 210 and 55 is expressible in the form 210 X 5 + 55y, find y.
write one rational number between root 2 and root 3?
show that square of any positive integer cannot be of the form 5q+2 or 5q+3 for any integer q
Find the greatest number of 6 digits exactly divisible by 24, 15 and 36
real life examples of hcf and lcm
Find the HCF of 81 and 237 and express it as a linear combination of 81 and 237
In a morning walk 3 persons step off together, their steps measure 80 cm, 85 cm and 90 cm respectively. What is the minimum distance each should walk so that he can cover the distance in complete steps?
Question from R.D. Sharma........
prove that root 2 is irrational
show that there is no positive integer n so that root(n-1)+root(n+1) is rational
Show that square of any positive odd integer is of the form 8m + 1, for some integer m.
show that 12n cannot end with digit 0 or 5 for any natural number n
Prove that if x and y are odd positive integers, then x2+y2 is even but not divisible by 4.
prove that if x and y are odd positive integers,the x2 +y2 is even but not divisible by 4.