Worksheet 1
The
1.
What per cent is-
orkshee
(a) 363 of 90
(b) 80 1 of 2401
(c) 16 of 250
(d) 200 cm of one metre
lind-
32
(e) 13 weeks of one years was
(1) one dozen of one score
Answers
Step-by-step explanation:
SOLUTION :-
(a) Rs.63 of Rs.90
Out of Rs 90, Rs 63 is written as
= \frac{63}{90}
Now,
Converting into percentage, we get,
= \frac{63}{90} \times 100
= 70%
\therefore Rs 63 is 70% of RS 90
_________________________________
(b) 80 litres of 240 litres
Out of 240 litres, 80 litres is written as
= \frac{80}{240}
Now,
Converting into percentage, we get,
= \frac{80}{240} \times 100
= 33.33%
\therefore 80 litres is 33.33% of 240 litres
_________________________________
(c) 16 of 250
Out of 250, 16 is written as
= \frac{16}{250}
Now,
Converting into percentage, we get,
= \frac{16}{250} \times 100
= 6.4%
\therefore 16 is 6.4% of 250
_________________________________
(d) 200 cm of 1 m
Out of 1m (100cm), 200cm is written as
= \frac{200}{100}
1m = 100cm
Now,
Converting into percentage, we get,
= \frac{200}{100} \times 100
= 200%
\therefore 200cm is 200% of 100cm (1m)
_________________________________
(e) 1 dozen of one score
Out of 1 score, 1 dozen is written as
= \frac{12}{20}
1 dozen = 12
1 score = 20
Now,
Converting into percentage, we get,
= \frac{12}{20} \times 100
= 60%
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