Practice the AP 7th Class Maths Bits with Answers 7th Lesson Ratio and Proportion on a regular basis so that you can attempt exams with utmost confidence.

## AP Board 7th Class Maths Bits 7th Lesson Ratio and Proportion

Multiple Choice Questions:

Question 1.
Comparing two quantities of the same kind by division is called_______
(A) Division
(B) Porportion
(C) Ratio
(D) None
(C) Ratio

Question 2.
The equality of ratios is called _______
(A) Ratio
(B) Proportion
(C) Compound ratio
(D) None
(B) Proportion

Question 3.
If the ratios are equal, then the product of Extremes = _______
(A) Product of means
(B) Product of ratios
(C) Product of all terms
(D) None
(A) Product of means

Question 4.
If a, b, c, d are in proportion extremes are _______
(A) b, c
(B) a, d
(C) a, c
(D) None
(B) a, d Question 5.
Compound ratio of a : b and c : d is _______
(A) a × c : b × d
(B) a × d : b × c
(C) a × b : c × d
(D) None
(A) a × c : b × d

Question 6.
In a : b, a is called _______
(A) consequent
(B) antecedent
(C) A & B
(D) none
(B) antecedent

Question 7.
If $$\frac{x}{y}$$ = k, then x and v are in _______
(A) inverse proportion
(B) direct proportion
(C) indirect proportion
(D) compound proportion
(B) direct proportion

Question 8.
If in two quantities, when one quantity increases, then the other quantity decreases in the same proportion, then the two quantities are said to be in _______
(A) inverse proportion
(B) direct proportion
(C) indirect proportion
(D) compound proportion
(A) inverse proportion

Question 9.
Angle made by minutes hand in a minute is _______
(A) 6°
(B) 60°
(C) 160°
(D) 30°
(A) 6°

Question 10.
Angle made by hours hand in one minute is _______
(A) 6°
(B) 1/2°
(C) 1°
(D) 1/4°
(B) 1/2°

Question 11.
1% = _________
(A) $$\frac{1}{100}$$
(B) 0.01
(C) 1 : 100
(D) all the above
(D) all the above

Question 12.
If selling price Is higher than cost price, then we get _______
(A) Loss
(B) Profit
(C) No loss, no profit
(D) None
(B) Profit

Question 13.
Profit percentage = _________
(A) $$\frac{C P}{\text { Profit }}$$ × 100
(B) $$\frac{\text { Profit }}{\text { C.P } \times 100}$$
(C) $$\frac{\text { Profit }}{\text { C.P }}$$ × 100
(D) $$\frac{\text { C.P } \times \text { Profit }}{100}$$
(C) $$\frac{\text { Profit }}{\text { C.P }}$$ × 100

Question 14.
Cost price – SellIng price (C.P> S.P) = _______
(A) Loss
(B) Profit
(C) Loss × 100
(D) Profit × 100
(A) Loss

Question 15.
Discount = ________
(A) Marked price – Selling price
(B) Selling price – Marked price
(C) Cost price – Selling price
(D) Selling price – Cost price
(A) Marked price – Selling price Question 16.
Marked price= ________
(A) Selling price – Discount
(B) Cost price + Discount
(C) Selling price + Discount
(D) Cost price – Discount
(C) Selling price + Discount

Question 17.
Interest I = __________
(A) $$\frac{T \times R}{100}$$
(B) $$\frac{\mathrm{PTR}}{100}$$
(C) $$\frac{P \times R}{100}$$
(D) $$\frac{P R}{100 \times T}$$
(B) $$\frac{\mathrm{PTR}}{100}$$

Question 18.
Principle P = ________
(A) $$\frac{\mathrm{TR}}{100}$$
(B) $$\frac{I \times 100}{P R}$$
(C) $$\frac{I \times 100}{T R}$$
(D) $$\frac{\mathrm{I} \times 100}{\mathrm{P} \times \mathrm{T}}$$
(C) $$\frac{I \times 100}{T R}$$

Question 19.
At what rate per annum will the principle doubles In 10 years?
(A) 15%
(B) 20%
(C) 5%
(D) 10%
(D) 10%

Question 20.
In a class of 65 students, the ratio of girls and boys is 3 :2, then the number of girls are ________
(A) 26
(B) 39
(C) 21
(D) 44
(A) 26

Question 21.
Divide 63 in the rat to 4:5 =______
(A) 28, 35
(B) 36, 37
(C) 36, 27
(D) 35, 28
(A) 28, 35

Question 22.
In a class of 40 students number of girls are 28, then the ratio of boys and girls is ________
(A) 4: 7
(B) 7: 3
(C) 3: 7
(D) 7: 4
(C) 3:7

Question 23.
If 4 : 3 :: x : 9 then x = ______
(A) 16
(B) 15
(C) 12
(D) 6
(C) 12

Question 24.
70% of a number of 56, then the number is __________
(A) 85
(B) 90
(C) 70
(D) 80
(D) 80 Question 25.
If P = ₹ 3000, R = 9%, T = 2$$\frac{1}{2}$$y, then
(A) ₹ 575
(B) ₹ 685
(C) ₹ 655
(D) ₹ 675
(D) ₹ 675

Question 26.
A raod map represents 1 cm =18 km, then 72 km = __cm.
(A) 14 cm
(B) 4 cm
(C) 8 cm
(D) 2 cm
(B) 4 cm

Question 27.
Out of 9000 voters of Unnava village 75% voted. Number of voters didn’t vote = ______
(A) 6750
(B) 2500
(C) 2250
(D) 6250
(C) 2250

Question 28.
A dealer allows a discount of 10% and still gains by 10%. What should be the marked price if the cost of price is ₹ 900 ?
(A) ₹ 1100
(B) ₹ 1000
(C) ₹ 1200
(D) ₹ 1800
(A) ₹ 1100

Question 29.
The cost of one dozen bananas is Rs.20, then the cost of 9 bananas is _______
(A) ₹ 15
(B) ₹ 9
(C) ₹ 12
(D) ₹ 18
(A) ₹ 15

Question 30.
If the cost of one egg is Rs. 4/-. Find the cost of 6 eggs ______
(A) ₹ 24
(B) ₹ 26
(C) ₹ 30
(D) ₹ 10
(A) ₹ 24

Fill m the blanks :

Question 1.
The ratio of two numbers a and b is denoted by _______
a : b

Question 2.
a : b can be read as _______
a is to b

Question 3.
To find the ratio, the terms must be expressed in their ______
same units

Question 4.
If a : b = c : d, then a × d = ______
b × c

Question 5.
If the ratio of the antecedents to the product of consequents, then the ratio is called _______
compound ratio

Question 6.
In the ratio a : b, b is called _______
consequent

Question 7.
Product of antecedents = ______
product of consequent Question 8.
If x and y are in direct proportion and x increases, then y is ______
increases

Question 9.
If x = ky, then x and y are in ______
inversely Proportion

Question 10.
Change in one quantity depends upon the change in two or more quantities in proportion is called _______
Compound Proportion

Question 11.
If the cost price is higher than the selling price, then we get _______
Loss

Question 12.
Loss percentage = ______
$$\frac{\text { Loss }}{\text { C.P }}$$ × 100

Question 13.
Selling mice – Cost price (S.P > C.P) = _______
Profit

Question 14.
Marked price Selling price = ________
Discount

Question 15.
Discount percentage = _______
$$\frac{\text { Discount }}{\text { Marked price }}$$ × 100

Question 16.
Time T = _______.
$$\frac{\mathrm{I} \times 100}{\mathrm{P} \times \mathrm{R}}$$

Question 17.
Rate of interest R = ________
$$\frac{\mathrm{I} \times 100}{\mathrm{PT}}$$

Question 18.
If principle becomes 4 times in 15 years, then the rate percent per annum is _______
20%

Question 19.
If 3, 8, x and 16 are in proportion the value of x is _______
6

Question 20.
The ratio of an angle its complementary is 2 : 7, then the smaller angle is _______
20° Question 21.
If the cost of 5 pens is ₹ 70, then the cost of 7 pens is _______
₹ 98

Question 22.
If T = 4 years, P = ₹ 6500, M = ₹ 8840, then the rate of interest R = _______%.
9%

Question 23.
At what rate a sum triples itself in 8 years 4 months ?
24%

Question 24.
Discount is always calculated on _______
Marked price

Question 25.
Amount = _______
Principle + Interest

Question 26.
28% of a number is 168. Then 82% of it is _______
492

Question 27.
Aditya sold a land for ₹ 3,00,000 and gained 0%, then how much did he purchage it?
₹ 2,50,000

Question 28.
20 kgs of Rice is needed for a family of 4 members. The number of kgs of Rice is required for 8 members of family _______
40 kgs

Question 29.
If a sum of ₹ 16000 is divided in the ratio of 3 : 5, then the difference between the amount is ______
₹ 4000

Question 30.
The cost of 15 mangoes is ₹ 180, then the cost of 25 mangoes is _______
₹ 300

Match the following :

Question 1.

 Group A Group B 1. The ratio a and b is (A) a × c : b × d 2. If a : b = c : d, then (B) x = ky 3. The compound ratio of a : b and c : d is (C) x × y = k 4. If x and y are in direct proportion, then (D) a × d = b × c 5. If x and y are in inverse proportion, then (E) a : b

 Group A Group B 1. The ratio a and b is (E) a : b 2. If a : b = c : d, then (D) a × d = b × c 3. The compound ratio of a : b and c : d is (A) a × c : b × d 4. If x and y are in direct proportion, then (C) x × y = k 5. If x and y are in inverse proportion, then (B) x = ky Question 2.

 Group A Group B 1. If 18 : 12, 15 : 10 are in proportion, then (A) 180 2. The compound ratio of 1 : 5 and 3 : 4 is (B) 120 3. If 5 6 and 15 : x are in proportion, then x = (C) 30 4. If 4 : 3 and x : 90 are in inverse proportion, then x = (D) 3 : 20 5. If 10 : x = 1 : 3, then x = (E) 18 × 10 = 12 × 15

 Group A Group B 1.Profit = ______ – _____ (A) Cost price 2.Loss = _____ – ______ (B) $$\frac{\text { Loss }}{\text { C.P }}$$ × 100 3.Profit% = _______ (C) Cost price – Selling price 4.Loss% = _______ (D) Selling price 5. Selling price = ________ + Profit (E) $$\frac{\text { Profit }}{\text { C.P. }}$$ × 100 6. Cost price _________ + Loss (F) Selling price – Cost price
 Group A Group B 1.Profit = ______ – _____ (F) Selling price – Cost price 2.Loss = _____ – ______ (C) Cost price – Selling price 3.Profit% = _______ (E) $$\frac{\text { Profit }}{\text { C.P. }}$$ × 100 4.Loss% = _______ (B) $$\frac{\text { Loss }}{\text { C.P }}$$ × 100 5. Selling price = ________ + Profit (A) Cost price 6. Cost price _________ + Loss (D) Selling price