Building Materials
The rocks which are formed due to cooling of magma at a relatively shallow depth from the earth's surface are called

Hypabyssal rocks
Igneous rocks
Volcanic rocks
Plutonic rocks

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Building Materials
Pick up correct statement from the following:

Fibre boards are used for thermal and acoustic control
Fibre boards are obtained by impregnating a resin product on fibres
Fibre boards are used for light weight standing members
All listed here

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