Which of the following numbers in Roman Numerals is incorrect?
(A) LXII (B) XCI (C) LC (D) XLIV
3 × 10000 + 0 × 1000 + 8 × 100 + 0 × 10 + 7 × 1 is same as
(A) 30087 (B) 30807 (C) 3807 (D) 3087
Answer the following questions in one or two words or sentences:
(a) Why should we prefer to use paper bags rather than
polythene bags?
(b) Who, out of the following should properly dispose of the garbage –
father, mother, elder brother, younger sister?
(c) Which one out of beetles, roundworm and earthworm are used for
vermicomposting and why?
What happens when
(a) Cooking medium is made to flow down a drain.
(b) Insecticides, motor oil, paints are poured down the drain.
(c) Tea leaves, cotton swabs and old soft toys are thrown into the drain.
Recently, a ban on plastic bags has been imposed in many places? Is the
ban justified? Give reasons in three sentences
Beautiful hand crafted articles like boxes and toys are made of
paper pulp in our country. Can you explain how paper pulp
which is made from paper can be used to make hard boxes
and other articles?
+91 94284 01196
© Copyright 2025. Doubtora. All Rights Reserved
