8th Maths : Chapter 7 : Information Processing : Exercise 7.4 : Text Book Back Numerical problems, Exercises Questions with Answers, Solution

**Exercise
7.4**

** **

**1. Find the best buy of the following
purchases:**

**(i) A pack of 5 chocolate bars for ****₹****175
or 3 chocolate bars for ****₹****114?**

**(ii) Basker buy 1½ dozen of eggs for
****₹****81 and
Aruna buy 15 eggs for ****₹****64.50?**

**Solution:**

**(i)**

Best buy is a pack of 5 chocolate bars for ₹ 175.

**(ii)**

Best buy is 15 eggs for ₹
64.50

** **

**2. Using the given picture find the total
special offer price of fresh sweets and bakery products to buy ½ kg laddu, 1 kg cake, 6 pockets of bread.**

**Solution:**

** **

**3. Using the given picture prepare a
price list.**

**Suppose you plan to buy 1½ kg of apple, 2 kg of pomegranate, 2 kg of
banana, 3 kg of mango, ½ kg of papaya, 3 kg of onion, 1½ kg of tomato,
and 1 kg of carrot in shop 1, how much
will you save compared to shop 2.**

**Solution:**

Price in shop 2 − Shop 1 = 715 − 675.75

= ₹ 39.25

We can save ₹ 39.25 in shop 1 compared to shop 2.

** **

**4. You want to buy some grocery items
as per your shopping list that are given in the picture with their price. Also you
have a bag that capacity of carrying 7 kg.
Using weight ratio approach tabulate to find the total price and how much can you
buy more grocery items within your budget of **

**Shopping list**

**1. 2 kg
of red chilli**

**2. 2 kg of coriander**

**3. 1 kg of garlic**

**4. 1 kg of tamarind**

**5. 2 kg of toor dal**

Solution:

** **

**Objective
Type Questions**

** **

**5. Online or television advertisements
influence people on spending decisions by**

(a) using
special music

(b)
making them think that they need the item

(c) using
attractive pictures

(d) all the
above

**[Answer: (d) all the above]**

** **

**6. When I go shopping, I will buy**

(a) something
that looks attractive

(b)
something my friend has

(c) something
that I need to purchase

(d) the first
thing I see in the store

**[Answer: (c) something that I
need to purchase]**

** **

**7. The best shopping choice is to**

(a) shop
at brand name stores always buy

(b) compare
the choices before buying

(c) the
same thing my friends bought

(d) buy at
a regular shop always

**[Answer:** (b) **compare the choices before buying]**

**Answer:**

**Exercise 7.4**

**1. (i) 5 Chocolate
bars for ₹ 175b (ii) 15 eggs for ₹ 64.50**

**2. ₹ 634 **

**3. ₹ 39.25 **

**4. ₹ 809 **

**5. (d) all the above**

**7. (c) something that
I need to purchase**

** (b) Compare the choices before buying**

Tags : Questions with Answers, Solution | Information Processing | Chapter 7 | 8th Maths , 8th Maths : Chapter 7 : Information Processing

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8th Maths : Chapter 7 : Information Processing : Exercise 7.4 | Questions with Answers, Solution | Information Processing | Chapter 7 | 8th Maths

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