Read the Source/ Text given below and answer any four questions: … - Vidyadip

Question

Read the Source/ Text given below and answer any four questions:
A recent survey by a labour organization of the state government of Odisha found that the wages of workers in a factory for different age groups are distributed as given in the bar graph. Read the bar graph carefully and answer the questions that follow.

If a person is selected at random, find the probability that the person is.
$i. 40$ years or more:
$a. 0.675$
$b. 0.576$
$c. 0.86$
$d. 0.10$
$ii.$ Under $40$ years:
$a.0$
$b.0.325$
$c.0.531$
$d.0.27$
$iii.$ Having age from $30$ to $39$ years:
$a.0.553$
$b.0.513$
$c.0.135$
$d.0.125$
$iv.$ Under $60$ but above $39$ years:
$a.0.62$
$b.0.66$
$c.0.55$
$d.0.02$
$v.$ Not less than $20$ years:
$a.0$
$b.1.03$
$c.0.01$
$d.1$

✓

Answer

$(i)$	$(a)$	$0.675$
$(ii)$	$(b)$	$0.325$
$(iii)$	$(c)$	$0.135$
$(iv)$	$(b)$	$0.66$
$(v)$	$(d)$	$1$

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$i.$ What is the second equation formed?
$ii.$ What is the present age of Reeta in years?
$iii.$ What is the present age of Ranjeet in years?
OR
If the ratio of age of Reeta and her mother is $3 : 7$ then what is the age of Reeta's mother in years?

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OR
If each person requires $20 m^3$ of space to breathe in and $100$ person can be accommodated then what should be height of tent?

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$c. x-$axis.
$d.$ origin.
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$y-$axis.
ordinate.
$x-$axis.
origin.
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