Question

State whether the following statements are true (T) or false (F) -

1. A number is divisible 5 if its unit digit is even.

2.HCF of 6x?y? and 8xy? is 2xy.

3. Factors of 4x?-12x+9 are (2x-3) (2x+3)

4. The distance covered varies inversely to the consumption of petrol.

5.30^0 x40^0 -12^0

6. Multiplicative inverse of (-2)^5 is 1/32

7. 1 m^3 = 100000cm^3

8. All pyramids are prisms:​

Answer 1

Answer:

1. False

2. True

3.

4.False

Answer 2

Answer:

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Step-by-step explanation:

1. False

Reason: A number is divisible by 5 if its unit digit is either 0 or 5.

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2. False

Reason:

Factor of 6x²y²

= 2x²y² × 3

Factor of 8xy²

=2 × 2 × 2xy²

HCF = 2xy²

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3.False

Reason

4x²-12x+9

= 4x²-6x-6x+9

= 2x(2x-3)-3(2x-3)

= (2x-3)(2x-3)