Practice the AP 7th Class Maths Bits with Answers Chapter 6 Ratio – Applications on a regular basis so that you can attempt exams with utmost confidence.

## AP State Syllabus 7th Class Maths Bits 6th Lesson Ratio – Applications with Answers

Choose the correct answer.

Question 1.

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:

B) 39

Question 2.

Radha goes to market with a sum of ₹ 120 and spends there ₹ 45. Now the ratio of money with her and spent by her is

A) 3 : 5

B) 6 : 3

C) 5 : 3

D) 4 : 6

Answer:

C) 5 : 3

Question 3.

A sum is divided into two parts in the ratio 11 : 4. If the smaller part is ₹ 840 then the bigger part is

A) ₹ 2310

B) ₹ 3150

C) ₹ 2450

D) ₹ 5280

Answer:

A) ₹ 2310

Question 4.

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

A) 12

B) 4

C) 8

D) 6

Answer:

D) 6

Question 5.

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

A) 70°

B) 20°

C) 60°

D)30°

Answer:

B) 20°

Question 6.

The side of an square is 5 units. If its side is doubled the ratio of areas of the original square and thus formed is

A) 1 : 4

B) 4 : 1

C) 2 : 1

D) 1 : 2

Answer:

A) 1 : 4

Question 7.

Divide ₹63 in the ratio of 4 : 5 = ……………..?

A) (28, 35)

B) (36, 37)

C) (36, 27)

D) (35, 28)

Answer:

A) (28, 35)

Question 8.

A sum of ₹11000 is divided in the ratio of 5 : 6 then the greater share is? (in₹)

A) 5000

B) 6000

C) 1000

D) 7000

Answer:

B) 6000

Question 9.

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 10.

From the above sum the ratio of boys to the total class is ……………

A) 3 : 10

B) 10 : 3

C) 4 : 10

D) 4 : 9

Answer:

A) 3 : 10

Question 11.

The area of a rectangle is 600. If its length is 30, then the ratio of l: b is …………….

A) 3 : 4

B) 3 : 2

C) 3 : 5

D) 4 : 3

Answer:

B) 3 : 2

Question 12.

If 3 : 6 :: 12 : x ⇒ x = …………..?

A) 9

B) 18

C) 24

D) 15

Answer:

C) 24

Question 13.

If 4 : 3 :: x : 9 ⇒ x = ……………….

A) 16

B) 15

C) 12

D) 6

Answer:

C) 12

Question 14.

If the cost of 5 pens is 70, then the cost of 7 pens is ………………..

A) ₹84

B) ₹90

C) ₹112

D) ₹98

Answer:

D) ₹98

Question 15.

If 90 : x : : 60 : 10 ⇒ x = ?

A) 15

B) 20

C) 30

D) 45

Answer:

A) 15

Question 16.

The ratio of two complementary angles is 4 : 5 then its smaller angles?

A) 36°

B) 44°

C) 50°

D) 40°

Answer:

D) 40°

Question 17.

Out of 96 students 12 students were absent in a class. Then the ratio of present to absentees is …………….

A) 1 : 7

B) 7 : 1

C) 8 : 1

D) 9 : 1

Answer:

B) 7 : 1

Question 18.

From the above sum the percentage of students are present

A) 86.5%

B) 84.5%

C) 87.5%

D) 85.5%

Answer:

C) 87.5%

Question 19.

A bus covers a distance of 240 kms in 6hrs then its covers the distance in 11 hrs is ……………. (kms)

A) 440

B) 400

C) 360

D) 320

Answer:

A) 440

Question 20.

40% of 200 – 20% of 50 = ………………

A) 70

B) 90

C) 80

D) 60

Answer:

A) 70

Question 21.

70% of a number is 56, then the number is …………….?

A) 85

B) 90

C) 70

D) 80

Answer:

D) 80

Question 22.

If T = 4 years, P = ₹6500, A = ₹8840, then Rate of interest (R) = …………..%

A) 9%

B) 9.5%

C) 8%

D) 9.1%

Answer:

A) 9%

Question 23.

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

A) ₹575

B) ₹685

C) ₹655

D) ₹675

Answer:

D) ₹675

Question 24.

If A = ₹ 15624, P = ₹12,600, R = 9% T = ……………?

A) 2\(\frac{1}{3}\)Y

B) 2\(\frac{2}{3}\)Y

C) 3\(\frac{1}{2}\)Y

D) 3\(\frac{2}{3}\)Y

Answer:

B) 2\(\frac{2}{3}\)Y

Question 25.

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

A) 30%

B) 18%

C) 12%

D) 24%

Answer:

D) 24%

Question 26.

The population of a village is 10,000 in the year 2012. The population increases 5% on every year then its population on 2015?

A) 11500

B) 11576

C)11570

D)11575

Answer:

A) 11500

Question 27.

Which of the following is in proportion?

A) 1 : 2 = 3 : 4

B) 4 : 11 = 7 : 8

C) 5 : 9 = 18 : 10

D) 32 : 64 = 6 : 12

Answer:

D) 32 : 64 = 6 : 12

Question 28.

Which of the following is not in proportion?

A) 4 : 11 = 2 : 5

B) 25 : 1 = 40 : 1.6

C) 90 : 30 :: 36 : 12

D) 22 : 11 : : 12 : 6

Answer:

A) 4 : 11 = 2 : 5

Question 29.

A road 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 30.

The percentage of shaded portion is

A) 40%

B) 16%

O 30%

D) 25%

Answer:

D) 25%

Question 31.

From the above sum the percentage of unshaded portion is?

A) 75%

B) 70%

C) 80%

D) 85%

Answer:

A) 75%

Question 32.

Formula for simple interest is I = ………………?

A) \(\frac{\text { PTR }}{100}\)

B) \(\frac{\text { TR }}{\mathrm{P} \times 100}\)

C) \(\frac{\mathrm{PR}}{100 \times \mathrm{T}}\)

D) \(\frac{\mathrm{PT}}{100 \times \mathrm{R}}\)

Answer:

A) \(\frac{\text { PTR }}{100}\)

Question 33.

Compound interest (C.I) = ……………….?

A) A – P

B) A + P

C) P + I

D) P – I

Answer:

A) A – P

Question 34.

Amount = ………………..?

A) P + I

B) P -1

C) P × I

D) None

Answer:

A) P + I

Question 35.

S.P – C.P = ……………….?

A) loss

B) profit

C) M.P

D) None

Answer:

B) profit

Question 36.

Loss = ……………….?

A) S.P – C.P

B) S.P + C.P

C) C.P – S.P

D) None

Answer:

C) C.P – S.P

Question 37.

Gain % = ……………..?

A) \(\frac{\text { Profit }}{\text { S.P }}\) × 100

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

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

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

Answer:

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

Question 38.

Percentage increase in price = ……………?

Answer:

Question 39.

Discount is calculated on ……………

A) C.P

B) Loss

C) S.P

D) Marked price

Answer:

D) Marked price

Question 40.

a : b and c : d are in proportion then

A) ad = bc

B) ac = bd

C) ab = cd

D) none

Answer:

A) ad = bc

Question 41.

A car takes 3\(\frac {1}{2}\) hours to cover a distance 2of 227.5 km then how much time does it take to cover 487.5 km ?

A) 5\(\frac {1}{2}\) hrs

B) 6\(\frac {1}{2}\) hrs

C) 7\(\frac {1}{2}\) hrs

D) 8\(\frac {1}{2}\) hrs

Answer:

C) 7\(\frac {1}{2}\) hrs

Question 42.

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

A) 438

B) 492

C) 600

D) 392

Answer:

B) 492

Question 43.

‘A’ sells a watch to ‘B’ at a gain of 10%. If B pays ₹ 330 for it; what is the cost price for

A?

A) ₹ 320

B) ₹ 340

C) ₹ 300

D) ₹ 310

Answer:

C) ₹ 300

Question 44.

Last year the price of a commodity was ₹ 80; this year the price goes up by ₹? 20. Find percentage increase.

A) 20%

B) 25%

C) 100%

D) 80%

Answer:

B) 25%

Question 45.

Out of 9000 voters of in a Krosur village 75% voted . Number of voters didn’t vote ?

A) 6750

B) 2500

C) 2250

D) 6250

Answer:

C) 2250

Question 46.

Sachin played 120 matches in his carrier. If he succeed 85% of matches, then number of matches he succeeded?

A) 112

B) 104

C) 98

D) 102

Answer:

D) 102

Question 47.

If C.P of 11 books is equal to S.P of 15 books then ………………?

A) 33\(\frac {1}{3}\)% – Loss

B) 33\(\frac {1}{3}\) % – Profit

C) 30% – Loss

D) 25% – Loss

Answer:

B) 33\(\frac {1}{3}\) % – Profit

Question 48.

An article is brought for ₹240 and sold it for ₹300 then the gain% is?

A) 30%

B) 25%

C) 24%

D) 35%

Answer:

A) 30%

Question 49.

Anji sold a land for ₹3,00,000 and gain 20% then how much did he purchase it?

A) 2,75,000

B) 2,25,000

C) 2,00,000

D) 2,50,000

Answer:

D) 2,50,000

Question 50.

The marked price of a cell phone is ₹5000 the shopkeeper allows a discount of 25% on it. Then its S.P = ………………?

A) ₹2750

B) ₹1250

C) ₹3750

D) ₹3250

Answer:

C) ₹3750

Question 51.

A dealer allows a discount of 10% and still gains by 10%. What should be the marked price if the cost price is ₹900?

A) ₹1100

B) ₹?1000

C) ₹1200

D) ₹800

Answer:

A) ₹1100