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(English Medium) ICSE Class 10 - CISCE Question Bank Solutions for Mathematics

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Mathematics
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If (x + 2y) : (2x – y) is equal to the duplicate ratio of 3 : 2, find x : y.

[7] Ratio and Proportion
Chapter: [7] Ratio and Proportion
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Find two numbers in the ratio of 8 : 7 such that when each is decreased by , they are in the ratio 11 : 9.

[7] Ratio and Proportion
Chapter: [7] Ratio and Proportion
Concept: undefined >> undefined

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The income of a man is increased in the ratio of 10 : 11. If the increase in his income is Rs 600 per month, find his new income.

[7] Ratio and Proportion
Chapter: [7] Ratio and Proportion
Concept: undefined >> undefined

A woman reduces her weight in the ratio 7 : 5. What does her weight become if originally it was 91 kg.

[7] Ratio and Proportion
Chapter: [7] Ratio and Proportion
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A school collected Rs 2100 for charity. It was decided to divide the money between an orphanage and a blind school in the ratio of 3 : 4. How much money did each receive?

[7] Ratio and Proportion
Chapter: [7] Ratio and Proportion
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The sides of a triangle are in the ratio 7 : 5 : 3 and its perimeter is 30 cm. Find the lengths of sides.

[7] Ratio and Proportion
Chapter: [7] Ratio and Proportion
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 If the angles of a triangle are in the ratio 2 : 3 : 4, find the angles.

[7] Ratio and Proportion
Chapter: [7] Ratio and Proportion
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Three numbers are in the ratio `(1)/(2) : (1)/(3) : (1)/(4)` If the sum of their squares is 244, find the numbers.

[7] Ratio and Proportion
Chapter: [7] Ratio and Proportion
Concept: undefined >> undefined

A certain sum was divided among A, B and C in the ratio 7 : 5 : 4. If B got Rs 500 more than C, find the total sum divided.

[7] Ratio and Proportion
Chapter: [7] Ratio and Proportion
Concept: undefined >> undefined

 In a business, A invests Rs 50000 for 6 months, B Rs 60000 for 4 months and C, Rs 80000 for 5 months. If they together earn Rs 18800 find the share of each.

[7] Ratio and Proportion
Chapter: [7] Ratio and Proportion
Concept: undefined >> undefined

In a mixture of 45 litres, the ratio of milk to water is 13 : 2. How much water must be added to this mixture to make the ratio of milk to water as 3 : 1 ?

[7] Ratio and Proportion
Chapter: [7] Ratio and Proportion
Concept: undefined >> undefined

The ratio of the number of boys to the number of girls in a school of 560 pupils is 5 : 3. If 10 new boys are admitted, find how many new girls may be admitted so that the ratio of the number of boys to the number of girls may change to 3 : 2.

[7] Ratio and Proportion
Chapter: [7] Ratio and Proportion
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In class X of a school, the ratio of the number of boys to that of the girls is 4 : 3. If there were 20 more boys and 12 less girls, then the ratio would have been 2 : 1, How many students were there in the class?

[7] Ratio and Proportion
Chapter: [7] Ratio and Proportion
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In an examination, the ratio of passes to failures was 4 : 1. If 30 less had appeared and 20 less passed, the ratio of passes to failures would have been 5 : 1. How many students appeared for the examination

[7] Ratio and Proportion
Chapter: [7] Ratio and Proportion
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Choose the correct answer from the given options :

The ratio of 45 minutes to `5(3)/(4)` hours is

[7] Ratio and Proportion
Chapter: [7] Ratio and Proportion
Concept: undefined >> undefined

Choose the correct answer from the given options :

The ratio of 4 litres to 900 mL is

[7] Ratio and Proportion
Chapter: [7] Ratio and Proportion
Concept: undefined >> undefined

Choose the correct answer from the given options :

When the number 210 is increased in the ratio 5 : 7, the new number is

[7] Ratio and Proportion
Chapter: [7] Ratio and Proportion
Concept: undefined >> undefined

Choose the correct answer from the given options :

Two numbers are in the ratio 7 : 9. If the sum of the numbers is 288, then the smaller number is

[7] Ratio and Proportion
Chapter: [7] Ratio and Proportion
Concept: undefined >> undefined

Choose the correct answer from the given options :

A ratio equivalent to the ratio `(2)/(3) : (5)/(7)` is

[7] Ratio and Proportion
Chapter: [7] Ratio and Proportion
Concept: undefined >> undefined

Choose the correct answer from the given options :

The ratio of number of edges of a cube to the number of its faces is

[7] Ratio and Proportion
Chapter: [7] Ratio and Proportion
Concept: undefined >> undefined
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