Mathematics 7 Part II>Chapter 16 - Solved Examples>Exercise 1>Q 17

MEDIUM

7th Karnataka Board

IMPORTANT

Earn 100

The number of illiterate persons in a country decreased from $150$ to $100$ lakhs in $10$ years. What is the percentage of decrease?

Important Questions on Solved Examples

EASY

7th Karnataka Board

IMPORTANT

Mathematics 7 Part II>Chapter 16 - Solved Examples>Exercise 1>Q 18

The cost of a flower vase is

₹ 120

. If the shopkeeper sells it at a loss of

10 %

, find the price at which it is sold (without the sign

₹

).

MEDIUM

7th Karnataka Board

IMPORTANT

Mathematics 7 Part II>Chapter 16 - Solved Examples>Exercise 1>Q 19

Selling price of a toy car is

₹ 540

. If the profit made by shopkeeper is

20 %

, what is the cost price of this toy?

EASY

7th Karnataka Board

IMPORTANT

Mathematics 7 Part II>Chapter 16 - Solved Examples>Exercise 1>Q 20

Anita takes a loan of

₹ 5000

at

15 %

per year rate of interest. Find the interest (without the sign

₹

) she has to pay at the end of one year.

EASY

7th Karnataka Board

IMPORTANT

Mathematics 7 Part II>Chapter 16 - Solved Examples>Exercise 1>Q 21

If Manohar pays an interest of

₹ 750

for

2

years on a sum of

₹ 4500

. Find the rate of interest.

MEDIUM

7th Karnataka Board

IMPORTANT

Mathematics 7 Part II>Chapter 16 - Solved Examples>Exercise 1>Q 1

Reduce

\frac{- 45}{30}

to the standard form.

MEDIUM

7th Karnataka Board

IMPORTANT

Mathematics 7 Part II>Chapter 16 - Solved Examples>Exercise 1>Q 2

Reduce to standard form:

$\frac{36}{- 24}$

MEDIUM

7th Karnataka Board

IMPORTANT

Mathematics 7 Part II>Chapter 16 - Solved Examples>Exercise 1>Q 2

Reduce to standard form:

$\frac{- 3}{- 15}$

HARD

7th Karnataka Board

IMPORTANT

Mathematics 7 Part II>Chapter 16 - Solved Examples>Exercise 1>Q 4

List three rational numbers between

- 2

and

- 1

.