MEDIUM
8th West Bengal Board
IMPORTANT
Earn 100

When water freezes into ice, it increases in volume by 10%. Let's work out in percentage how much it will decrease in volume if the ice melts into water.

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Important Questions on Percentage

HARD
8th West Bengal Board
IMPORTANT
Ganitprabha (MATHEMATICS TEXT BOOK) Class 8>Chapter 11 - Percentage>Let's work out - 11>Q 14
Due to use of high-yielding see Utpalbabu has got 55% production hike in paddy cultivation. But for this the cost of cultivation has increased by 40%. Previously a yield of ₹3000 was produced by investing ₹1200. Let's work out whether his income will be increased or decreased after using high-yielding seeds.
MEDIUM
8th West Bengal Board
IMPORTANT
Ganitprabha (MATHEMATICS TEXT BOOK) Class 8>Chapter 11 - Percentage>Let's work out - 11>Q 15
In a legislative election, 80% voters cast their votes and the winning candidate got 65% of the cast votes. Let's work out the percentage of total voters who supported him.
MEDIUM
8th West Bengal Board
IMPORTANT
Ganitprabha (MATHEMATICS TEXT BOOK) Class 8>Chapter 11 - Percentage>Let's work out - 11>Q 16
This year the students of Nandalal. H. S school have passed 85% in Bengali, 75% in Maths and 65% in both subjects scoring A+. If the number of students are 120 then let's work out how many students got A+ in both subjects.
MEDIUM
8th West Bengal Board
IMPORTANT
Ganitprabha (MATHEMATICS TEXT BOOK) Class 8>Chapter 11 - Percentage>Let's work out - 11>Q 16
This year the students of Nandalal. H. S school have passed 85% in Bengali, 75% in Maths and 65% in both subjects scoring A+. If the number of students are 120 then let's work out how many students got A+ in Bengali only.
MEDIUM
8th West Bengal Board
IMPORTANT
Ganitprabha (MATHEMATICS TEXT BOOK) Class 8>Chapter 11 - Percentage>Let's work out - 11>Q 16
This year the students of Nandalal. H. S school have passed 85% in Bengali, 75% in Maths and 65% in both subjects scoring A+. If the number of students are 120 then let's work out how many students got A+ only in Maths.
MEDIUM
8th West Bengal Board
IMPORTANT
Ganitprabha (MATHEMATICS TEXT BOOK) Class 8>Chapter 11 - Percentage>Let's work out - 11>Q 16
This year the students of Nandalal. H. S school have passed 85% in Bengali, 75% in Maths and 65% in both subjects scoring A+. If the number of students are 120 then let's work out how many students did not get A+ in both subjects.
MEDIUM
8th West Bengal Board
IMPORTANT
Ganitprabha (MATHEMATICS TEXT BOOK) Class 8>Chapter 11 - Percentage>Let's work out - 11>Q 17
The income of Amina Bibi was increased by 20% and later decreased by 20%. Let's work out the total change of percentage of her income.
MEDIUM
8th West Bengal Board
IMPORTANT
Ganitprabha (MATHEMATICS TEXT BOOK) Class 8>Chapter 11 - Percentage>Let's work out - 11>Q 18
The length of a rectangle is increased by 15% and the breadth is reduced by 15%. Let's work out in percentage the increase or decrease of area.