Question

Assig
1. Find the common factors of 6pqr, 2
2. Find the HCF of 20ab30bc, 40acd
3. Multiply:
(a) 4pq by 5par
4. Find the area of a rectangle whose le​

Answer 1

1. Factors of 6pqr = 2, 3, p, q, r

Factors of 2 = 2

From above factors we can answer that

common factor of 6pqr and 2 is 2.

2. Prime factorisation of:

20ab = 2×2×5×a×b

30bc = 2×3×5×b×c

40acd = 2×2×2×5×a×c×d

From above we can answer that HCF(20ab,

30bc, 40acd) = 2×5 = 10

3. 4pq×5par = 20p²qar

4. Sorry but haven't typed the question properly!

But I have given answers of rest of the

questions.

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