Estimating Expenses

Q. If one pen costs ₹ 5, then what is the cost of 10 pens?

1. ₹ 50
2. ₹ 15
3. ₹ 25
4. ₹ 40

Q. If an ice cream costs ₹ 12, then estimate the price of 10 ice creams.

1. ₹ 100
2. ₹ 120
3. ₹ 200
4. ₹ 160

Q. There are different kinds of boats. Each has a different ticket price, and also different trip times.

Name of the Boat	Ticket-price	Trip-time
1. Double-decker	Rs 30	45 minutes
2. Paddle-boat	Rs 15	30 minutes
3. Motor-boat	Rs 25	20 minutes
4. Boat with oars	Rs 15	45 minutes

• Indra and Bhanu first went in the motor-boat, and then took the oar-boat.
How much did they pay for both the boats? Rs _____________
How much time did they get for both rides? ______________

• One group of children went for the double-decker trip. They paid Rs 450 in total. How many children went for the double-decker trip? ____________

• Which boat makes two trips in 1 hour?

• Which boat takes less than half an hour to complete a trip?

• Which boat gives them the most time taking the least money?

• Javed went twice for boating. He paid a total of Rs 40. and boated for 50 minutes. Which two boats did he take? _____________

Q. If the price of 1 kg of fish is ₹450, what is the price of 15 kg of such fishes?

1. ₹6750
2. ₹4570
3. ₹7580
4. ₹8560

Q. If a candy costs ₹ 5, then estimate the price of its packet containing 200 pieces.

1. ₹ 800
2. ₹ 100
3. ₹ 1000
4. ₹ 200

Q.

If one steel almirah and one dining table cost ₹8085.45

and ₹ 70085.05 respectively, find the total cost such of 18 almiras and 15 dining tables.

Q.

Items	Cost/kg
Banana	₹ 30
Apple	₹ 40
Guava	₹ 30
Coconut	₹ 50
Chikoo	₹ 40

Which items can be bought for ₹ 100?

1. Banana, Apple and Guava
2. Apple, Guava and Coconut
3. Guava, Coconut and Chikoo
4. Coconut, Chikoo and Banana

Q.

Rajesh bought $14.5kg$ potatoes and paid $Rs127.60$. Kanu bought $8.25kg$ potatoes. How much will Kanu pay to the shopkeeper?

Q. Estimate the price of 2 chairs and a table if a chair costs ₹ 400 and the table costs twice the cost of a chair.

1. ₹ 1600
2. ₹ 800
3. ₹ 1200
4. ₹ 1000

Q. Sikha wants to buy 10 hair clips and she has ₹ 20 in her wallet.
If each hair clip costs ₹ 3, how many she can buy?

1. 5
2. 10
3. 8
4. 6

Q. Hari, Seema, Chinku and Lakshmi are going to Guwahati.
The cost of one rail ticket is Rs 62.



Your question:

Q. Blop gets a weekly allowance of $\$97$. He spends an equal amount of money on food and stationery and the rest on the commute. If he spends $\$17$ on the commute, how much does he spend on food?

1. $\$80$
2. $\$40$
3. $\$47$
4. $\$20$

Q. Sikha wants 10 hair clips which cost ₹3/piece. If she has ₹ 20 in her wallet, then how much loan she should take to buy all of them?

1. ₹ 10
2. ₹ 8
3. ₹ 20
4. ₹ 6

Q. You have a budget of ₹ 100.
How many color pencils costing ₹ 20 you can buy?

1. 2
2. 3
3. 4
4. 5

Q. Look up the rate list to see todays rates. Help Kiran to find out the cost of the junk.
• How much will Kiran pay for 31 kg newspaper?
1 kg newspaper costs Rs 5. 30 kg cost Rs 5 × 30 = Rs 150. So for 31 kg she pays Rs _____.
• How much will Kiran pay for 42 kg newspaper?
• Also find the cost of:
(a) 22 kg of plastic
(b) 23 kg of waste paper
(c) 12 kg of iron

Rate-List
Kind of Junk	Price of 1 Kg
1. Waste Paper	Rs 4/-
2. Newspaper	Rs 5/-
3. Iron	Rs 12/-
4. Brass	Rs 170/-
5. Plastic	Rs 10/-

Can you do this without writing?
Guess the total money Kiran will pay to the junk collectors. Will it be
— More than 600?
— Less than 600?

Q.

There are 10 packets of sugar.
Saurabh paid 110 rupees for all the packets.
Your question:

Q. The duration of train journey from Hyderabad to some of the cities are given below. Which journey takes more than a day to reach the destination.
Karnataka - 10 hrs
Vizag - 13 hrs
Delhi - 29 hrs
Chennai - 11 hrs

1. Hyderabad - Karnataka
2. Hyderabad - Vizag
3. Hyderabad - Delhi
4. Hyderabad - Chennai

Q. Amara spends ₹ 80 daily. How much money does he need for March? March has 31 days.

1. ₹ 2440
2. ₹ 1990
3. ₹ 2520
4. ₹ 2480

Q. Which two items Sandy can buy from the given list for ₹ 300?

Items	Price
A toy car	₹ 120
A football	₹ 220
A Racket	₹ 180

1. a toy car and a football
2. a toy car and a racket
3. a racket and a football
4. he can buy only one item for ₹ 300

Q. The yearly earning of a family is ₹25, 000. The family spends ₹5000 on food and ₹6000 on transportation yearly. What is their yearly saving?

1. ₹14, 000
2. ₹15, 000
3. ₹16, 000
4. ₹18, 000

Q. Ragul rented a house for ₹520 per month. How much should he pay for 2 years?

Q. On 15 May 2006 Chandran went to a shop to buy butter. He checked the packet to see if this butter was safe to eat.
It was written on the packet — Best before 180 days from the date of packing.
Then he checked the date of packing. It was 15/01/06.
Help him find out if he should buy this butter or not.
— In which month was the butter packed? ______
— Which month will it be 180 days after 15/01/06? _____
— Can Chandran eat it one 15^th May 2006? _____

Q.

Look at the postal rates given in the chart.
1. How much will you have to pay for stamps on a letter weighing 50 grams? ___________
2. Akash wants to send a parcel of the Math Magic textbook to his friend Rani in Chennai. The book weighs 200 g. See the chart to find the cost of posting the book. __________