Formula use: Explanation Here, given expression is Find the cubes with the help of formula Ans:

Formula use: Explanation Here, given expression is Find the cubes with the help of formula Ans:

Formula use: Explanation Here, given expression is: Find the cubes with the help of formula Ans:

a) HCF & LCM b) HCF & LCM c) HCF & LCM d) HCF & LCM correct answer is: b) HCF & LCM Explanation We know,HCF = Highest ...

a) 0 b) 2 c) 1 d) 4 correct answer is: a) 0 Explanation Here [L.C.M ‘ab’] [cross multiply] We know, [put the value of a2+b2]Ans:

a) 12 b) 13 c) 14 d) 15 Correct answer is: b) 13 Explanation The given equation is: The root of the equation is Ans: The root of the equation is 13.

We know : Explanation Given expression is : Let’s factorise it,Ans: this expression’s factor is .

a) b) c) d) correct answer is: b) Explanation Let’s substitute into each equation:(a) (b) (c) (d) So, the equation has as a root.Ans: Correct answer is .

a) b) c) d) correct answer is: a) correct answer is: Explanation The given expression is:Since the bases are the same, we can equate the exponents:Ans: The value of is .

a) 5 : 8 b) 1 : 8 c) 3 : 8 d) 7 : 8 correct answer is: c) 3 : 8 Explanation Here, [cross multiply] Now, [put the value ‘x’] ...