T1 CH3 Ratio and Proportion Maths - T1 CH3 Ratio and Proportion

If the cost of 3 pens is ₹ 18, then the cost of 5 pens is _________

If Karkuzhali earns ₹ 1800 in 15 days, then she earns ₹ 3000 in __________ days

If a man walks 2 km in 15 minutes, then he will walk _____ km in 45 minutes

If a barbie doll costs ₹ 90, then the cost of 3 such dolls is ₹ __________

If 7 : 5 is in proportion to x : 25, then ‘x’ is

If the ratios formed using the numbers 2, 5, x, 20 in the same order are in proportion, then ‘x’ is

Which of the following ratios are in proportion?

A car travels 90 km in 3 hours with constant speed. It will travel 140 km in 5 hours at the same speed

7 Persons is to 49 Persons as 11 kg is to 88 kg

10 books is to 15 books as 3 books is to 15 books

If the weight of 40 books is 8 kg, then the weight of 15 books is 3 kg

5 : 7 is equivalent to 21 : 15

Fill in the box : 12: \square=\square: 4=8: 16

Fill in the box : 12: \square=\square: 4=8: 16

Fill in the box : 3: 5:: \square: 20

Fill in the box : 3: 5:: \square: 20

Fill in the box : 24:: 3: 8

Team A wins 26 matches out of 52 matches. Team B wins three-fourth of 52 matches played. Which team has a better winning record?

Thirumagal's mother wears a bracelet made of 35 red beads and 30 blue beads. Thirumagal wants to make smaller bracelets using the same two coloured beads in the same ratio. In how many different ways can she make the bracelets?

Antony brushes his teeth in the morning and night on all days in a week. Shabeen brushes her teeth only in the morning. What is the ratio of the number of times they brush their teeth in a week?

The ingredients required for the preparation of Ragi Kali, a healthy dish of Tamilnadu is given below.

Ingredients	Quantity
Ragi flour	4 cups
Raw rice broken	1 cup
Water	8 cups
Sesame oil	15 ml
Salt	10 mg

(a) If one cup of ragi flour is used then, what would be the amount of raw rice required?
(b) If 16 cups of water is used, then how much of ragi flour should be used?
(c) Which of these ingredients cannot be expressed as a ratio? Why?

A gets double of what B gets and B gets double of what C gets. Find A : B and B : C and verify whether the result is in proportion or not

In a school excursion, 6 teachers and 12 students from 6th standard and 9 teachers and 27 students from 7th standard, 4 teachers and 16 students from 8th standard took part. Which class has the least teacher to student ratio?

If the ratio of Green, Yellow and Black balls in a bag is 4 : 3 : 5, then
(a) Which is the most likely ball that you can choose from the bag?
(b) How many balls in total are there in the bag if you have 40 black balls in it?
(c) Find the number of green and yellow balls in the bag.

The number of correct answers given by Kaarmugilan and Kavitha in a quiz competition are in the ratio 10 : 11. If they had scored a total of 84 points in the competition, then how many points did Kavitha get?

Find whether 12, 24, 18, 36 are in order that can be expressed as two ratios that are in proportion