Question

DEAL OF FRUITS
(5 X 1 = 5)
Heera was a wholesaler of fruits. He purchased the fruits directly from orchard. All the fruit sellers or retailers
of the town bought the fruits from him. Once his fruit's loaded truck got stuck in a jam due to land slide as a
result some of the fruits got rotten. One retailer Khoobchand purchased 20 kg of Apples at Rs 50 per kg and
30 dozen of Bananas at Rs. 40 per dozen. Out of these fruits 5% of the Apples and 10% of bananas were found
to be rotten. Then Khoobchand sells the remaining good Apples and bananas at Rs. 60 per kg and Rs 43 per
dozen respectively.
01
02
Q3
Q4

Q1 The loss or profit percent in the sale of Apples
(a)14%
(b)10% (c) 15%
(d) 11%
Q2 In the sale of Bananas Khoobchand get
(Profit/Loss).
Q3 The loss or profit percent in the sale of Bananas
(a)3.25% (b)6% (c) 10% (d) none of the above
Q4 At the end of overall transaction Khoobchand is in
(a) profit (b) loss (c)no profit no loss (d) none of the above​

Answer 1

No. of mangoes Mid - value

(x

i

) Frequency

(f

i

) u

i

=

3

x

i

−60

f

i

u

i

50 - 52 51 15 -3 -45

53 - 55 54 110 -2 -220

56 - 58 57 135 -1 -135

59 - 61 60 115 0 0

62 - 64 63 25 3 25

Total 400 -375

Here, we have used exclusive method in class interval formation.

If we make the series an inclusive one the mid-values remain same.

So there is no need to convert the series.

Lets take assumed mean, A as 60

Class interval =3

∴u

i

=

h

x

i

−A

=

3

x

i

−60

x

ˉ

=A+h

∑f

i

∑f

i

u

i

=60+3×

400

−375

=57.1875

Hence, the mean number of mangoes kept in a packing box is 57.19

Answer 2

Answer:

no ghkg ghhghhjggyjkgfyuijgdruivdrimbdtj