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

Answer:

(C) Ratio

Question 2.

The equality of ratios is called _______

(A) Ratio

(B) Proportion

(C) Compound ratio

(D) None

Answer:

(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

Answer:

(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

Answer:

(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

Answer:

(A) a × c : b × d

Question 6.

In a : b, a is called _______

(A) consequent

(B) antecedent

(C) A & B

(D) none

Answer:

(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

Answer:

(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

Answer:

(A) inverse proportion

Question 9.

Angle made by minutes hand in a minute is _______

(A) 6°

(B) 60°

(C) 160°

(D) 30°

Answer:

(A) 6°

Question 10.

Angle made by hours hand in one minute is _______

(A) 6°

(B) 1/2°

(C) 1°

(D) 1/4°

Answer:

(B) 1/2°

Question 11.

1% = _________

(A) \(\frac{1}{100}\)

(B) 0.01

(C) 1 : 100

(D) all the above

Answer:

(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

Answer:

(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) \(\frac{\text { C.P } \times \text { Profit }}{100}\)

Answer:

(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

Answer:

(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

Answer:

(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

Answer:

(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) \(\frac{P R}{100 \times T}\)

Answer:

(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) \(\frac{\mathrm{I} \times 100}{\mathrm{P} \times \mathrm{T}}\)

Answer:

(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%

Answer:

(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

Answer:

(A) 26

Question 21.

Divide 63 in the rat to 4:5 =______

(A) 28, 35

(B) 36, 37

(C) 36, 27

(D) 35, 28

Answer:

(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

Answer:

(C) 3:7

Question 23.

If 4 : 3 :: x : 9 then x = ______

(A) 16

(B) 15

(C) 12

(D) 6

Answer:

(C) 12

Question 24.

70% of a number of 56, then the number is __________

(A) 85

(B) 90

(C) 70

(D) 80

Answer:

(D) 80

Question 25.

If P = ₹ 3000, R = 9%, T = 2\(\frac{1}{2}\)y, then

(A) ₹ 575

(B) ₹ 685

(C) ₹ 655

(D) ₹ 675

Answer:

(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

Answer:

(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

Answer:

(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

Answer:

(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

Answer:

(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

Answer:

(A) ₹ 24

Fill m the blanks :

Question 1.

The ratio of two numbers a and b is denoted by _______

Answer:

a : b

Question 2.

a : b can be read as _______

Answer:

a is to b

Question 3.

To find the ratio, the terms must be expressed in their ______

Answer:

same units

Question 4.

If a : b = c : d, then a × d = ______

Answer:

b × c

Question 5.

If the ratio of the antecedents to the product of consequents, then the ratio is called _______

Answer:

compound ratio

Question 6.

In the ratio a : b, b is called _______

Answer:

consequent

Question 7.

Product of antecedents = ______

Answer:

product of consequent

Question 8.

If x and y are in direct proportion and x increases, then y is ______

Answer:

increases

Question 9.

If x = ky, then x and y are in ______

Answer:

inversely Proportion

Question 10.

Change in one quantity depends upon the change in two or more quantities in proportion is called _______

Answer:

Compound Proportion

Question 11.

If the cost price is higher than the selling price, then we get _______

Answer:

Loss

Question 12.

Loss percentage = ______

Answer:

\(\frac{\text { Loss }}{\text { C.P }}\) × 100

Question 13.

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

Answer:

Profit

Question 14.

Marked price Selling price = ________

Answer:

Discount

Question 15.

Discount percentage = _______

Answer:

\(\frac{\text { Discount }}{\text { Marked price }}\) × 100

Question 16.

Time T = _______.

Answer:

\(\frac{\mathrm{I} \times 100}{\mathrm{P} \times \mathrm{R}}\)

Question 17.

Rate of interest R = ________

Answer:

\(\frac{\mathrm{I} \times 100}{\mathrm{PT}}\)

Question 18.

If principle becomes 4 times in 15 years, then the rate percent per annum is _______

Answer:

20%

Question 19.

If 3, 8, x and 16 are in proportion the value of x is _______

Answer:

6

Question 20.

The ratio of an angle its complementary is 2 : 7, then the smaller angle is _______

Answer:

20°

Question 21.

If the cost of 5 pens is ₹ 70, then the cost of 7 pens is _______

Answer:

₹ 98

Question 22.

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

Answer:

9%

Question 23.

At what rate a sum triples itself in 8 years 4 months ?

Answer:

24%

Question 24.

Discount is always calculated on _______

Answer:

Marked price

Question 25.

Amount = _______

Answer:

Principle + Interest

Question 26.

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

Answer:

492

Question 27.

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

Answer:

₹ 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 _______

Answer:

40 kgs

Question 29.

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

Answer:

₹ 4000

Question 30.

The cost of 15 mangoes is ₹ 180, then the cost of 25 mangoes is _______

Answer:

₹ 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 |

Answer:

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 |

Answer:

Group A | Group B |

1. If 18 : 12, 15 : 10 are in proportion, then | (E) 18 × 10 = 12 × 15 |

2. The compound ratio of 1 : 5 and 3 : 4 is | (D) 3 : 20 |

3. If 5 6 and 15 : x are in proportion, then x = | (A) 180 |

4. If 4 : 3 and x : 90 are in inverse proportion, then x = | (B) 120 |

5. If 10 : x = 1 : 3, then x = | (C) 30 |

Question 3.

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 |

Answer:

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 |