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Subject :NSO    Class : Class 5

Starting from the first letter strike out every alternate letter to get the name of a sedimentary rock formed when large rounded clasts get cemented together in a matrix.

APQSUTAURJTKZOIWTLEM
BMORBTSUIVDWIXAYNZ
CSGQRPAMNLIGTKET
DLCYOMNEGTLUOJMGEKRIASTPEQ


explanation please.

Ans 1:

Class : Class 5

Ans 2:

Class : Class 5
Ans is D because we get QUARTZITE, OBSIDIAN, GRANITE and CONGLOMERATE, respectively, when we cut off alternate letters starting from the first letter. QUARTZITE is a metamorphic rock, OBSIDIAN and GRANITE are igneous rocks and CONGLOMERATE is a sedimentary rock.

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