`a\ a n d\ b` are two co-primes. Which of the following is/are true? LCM `(a ,\ b)=\ a\ x\ b` (b) HCF `(a ,\ b)=1` Both `(a)a n d\ (b)` (d) Neither `(a)\ nor\ (b)`

a\ a n d\ b are two co-primes. Which of the following is/are true? (a) LCM (a ,\ b)=\ a\*\ b (b) HCF (a ,\ b)=1 (c) Both (a)a n d\ (b) (d) Neither (a)\ n o r \ (b)

The HCF of the two numbers a and b is 12. Which of the following can be the LCM of a and b ?

If a and b are co-prime numbers, then find the HCF (a, b)

If x\ a n d\ y are two co-primes, then their LCM is (a) x y (b) x+y (c) x/y (d) 1

The silkworm is (a) a caterpillar (b) a larva (c) both (a) and (b) (d) Neither (a) nor (b) Choose the correct option.

In the expansion of (a+b)^(n) , if two consecutive terms are equal, then which of the following is/are always integer ? (a) ((n+1)b)/(a+b) (b) ((n+1)a)/(a+b) (c) (na)/(a-b) (d) (na)/(a+b)

In the expansion of (a+b)^(n) , if two consecutive terms are equal, then which of the following is/are always integer ? (a) ((n+1)b)/(a+b) (b) ((n+1)a)/(a+b) (c) (na)/(a-b) (d) (na)/(a+b)

If a\ a n d\ b are two numbers such that a b\ =\ 0 , then (a) a\ =\ 0\ a n d\ b\ =\ 0 (b) a\ =\ 0\ or\ b\ =\ 0 (c) a\ =\ 0\ a n d\ b!=0 (d) b\ =\ 0\ a n d\ a!=0

Q.Which of the following is/are always true? (a) Every irrational number is a surd.(b) Any surd of the form n sqrt(a)+n sqrt(b) can be rationalised by a surd of the form (n sqrt(a)-n sqrt(b)) a where n sqrt(a) and n sqrt(b) are surds.(c) Both (a) and (b) Neither (a) nor (b)

If x and y are two co-primes,then their LCM is xy(b)x+y(c)(x)/(y) (d) 1