Question

Mbank
loth
SUBJECT-MATH
CHAPTER 1- REAL NUMBER
All Question are Compulsory:-
r. Write whether every Positive integer can be of form 4q+ 2 where q is integer and
justify your answer
2. Can two numbers hour 18 as their HCF and 380 as their LCM ? Give reasons.
3.) Show that the square of odd positive integer is of the form 8m +1, for some whole
number m.
4. Prove that V2 + V3 is irrational
5.Using Euclid's division algorithm, find the largest number that divides 1251,9377
and 15628 leaving reminders 1,2 ad 3 respectively.
6. Prove that one and only one out of n, n+2 and n+4 is divisible by 3, where n is any​

Answer 1

Answer:

2

18=2,,3,3

380=190,2

Step-by-step explanation:

hcf 2

lcm 190,2,3,3=3420