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E:\Working\Focus_Learning\Math_Genius_3_(11-09-2024)\Open_Files\CHAP_06
\ 12-Sep-2024 Surender Prajapati Proof-4 Reader’s Sign _______________________ Date __________

6. ram is selling fruits. the price per kg of each fruit is shown on the stall. Help ram
in the calculation of the amount for these two customers.

1 1
(a) Neha bought kg of apples, kg of oranges and
1 2 3
4 kg of grapes. Find the cost of:
apples = _____ , oranges = ______, grapes = ______.

So, total cost = ____________
1 1
(b) Anand bought kg of oranges, kg of apples and
2 4 `120 per kg `96 per kg `60 per kg
1 kg of grapes. Find the cost of:

3
apples = ________ , oranges = ________ , grapes = ________

So, total cost = ____________

Word ProBlems

example 1: Mohit has 14 roses. 3 of them are red. What is the
fraction representing:

(a) red roses out of the total roses? (b) not red roses out of the total roses?

Solution: (a) Total number of roses = 14 (b) Number of roses, which are not red
Number of red roses = 3 = 14 – 3 = 11

Fraction representing red Fraction representing not red roses
3 11
roses = =
14 14
1
example 2: Neena had 24 chocolates. She ate half of them and gave to her sister.
4
(a) How many chocolates did she eat?
(b) How many chocolates did she give to her sister?

Solution: (a) Total chocolates = 24 (b) Number of chocolates she gave =

1
Number of chocolates she ate of total chocolates
= Half of total chocolates 4 1
1 = of 24 (or 24 ÷ 4)
= of 24 (or 24 ÷ 2) 4
2 = 6 chocolates
= 12 chocolates Thus, she gave 6 chocolates to her

Thus, Neena ate 12 chocolates.
sister.

112 Mathematics-3