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What is the population density of Monaco?

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Important Questions on Evolution

EASY

Biology>Genetics and Evolution>Evolution>Hardy Weinberg's Principle

A car consumes

5.4 litres

of petrol to cover

60.48 km

, how many kilometres be covered with

22 litres

of petrol?

EASY

Biology>Genetics and Evolution>Evolution>Hardy Weinberg's Principle

Mr. Kamal buys 36 bananas for Rs. 20.52. How much money will be paid by him to buy 110 bananas?

(A) Rs. 62.60

(B) Rs. 62.90

(D) Rs. 62.70

MEDIUM

Biology>Genetics and Evolution>Evolution>Hardy Weinberg's Principle

Two numbers are in the ratio

3 : 5

. If

13

is subtracted from each, the new numbers are in the ratio

10 : 21

. If

15

is added to each of the original number, then the ratio becomes:

EASY

Biology>Genetics and Evolution>Evolution>Hardy Weinberg's Principle

What is the ratio of mean proportional between

1.8

and

3.2

and the third proportional of

5

and

3

EASY

Biology>Genetics and Evolution>Evolution>Hardy Weinberg's Principle

In a class of

80

students and

5

teachers, each student got sweets that are

15 %

of the total number of students and each teacher got sweets that are

25 %

of the total number of students. How many sweets were there?

MEDIUM

Biology>Genetics and Evolution>Evolution>Hardy Weinberg's Principle

(5 x + 2 y) : (10 x + 3 y) = 5 : 9

, then

(2 x^{2} + 3 y^{2}) : (4 x^{2} + 9 y^{2}) = ?

MEDIUM

Biology>Genetics and Evolution>Evolution>Hardy Weinberg's Principle

(5 x + 2 y) ∶ (10 x + 3 y) = 5 : 9

, then

(2 x^{2} + 3 y^{2}) : (4 x^{2} + 9 y^{2}) = ?

EASY

Biology>Genetics and Evolution>Evolution>Hardy Weinberg's Principle

What is the sum of the mean proportional between

10.8

and

4.8

and the third proportional of

2

and

4

MEDIUM

Biology>Genetics and Evolution>Evolution>Hardy Weinberg's Principle

20 litre

mixture contains milk and water in the ratio

3 : 2

. Then

10 litres

of the mixture is removed and replaced with pure milk and the operation is repeated once more. At the end of the two removals and replacements, what is the ratio of milk and water in the resultant mixture?

MEDIUM

Biology>Genetics and Evolution>Evolution>Hardy Weinberg's Principle

What is that number, which is when added to

7, 16, 43, 79

these numbers become proportional?

MEDIUM

Biology>Genetics and Evolution>Evolution>Hardy Weinberg's Principle

A sum of

₹ x

is divided among

A

B

,and

C

such that the ratio of the shares of

A

and

B

6 : 7

and that of

B

and

C

3 : 2

. If the difference between the shares of

A

and

C

₹ 540

, then the value of

x

is;

EASY

Biology>Genetics and Evolution>Evolution>Hardy Weinberg's Principle

Gita, Shweta and Sita invested

Rs . 4200

Rs . 8400

and

Rs . 5400

respectively while starting a business. At the end of the year, they earned a profit of

Rs . 24, 000

. Sita invested

32 %

of her share of the profit in a savings scheme. How much amount is left with her?

MEDIUM

Biology>Genetics and Evolution>Evolution>Hardy Weinberg's Principle

Alloy

A

contains copper and zinc in the ratio of

4 : 3

and alloy

B

contains copper and zinc in the ratio of

5 : 2

A

and

B

are taken in the ratio of

5 : 6

and melted to form a new alloy. The percentage of zinc on the new alloy is close to:

MEDIUM

Biology>Genetics and Evolution>Evolution>Hardy Weinberg's Principle

A sum is divided among

A, B, C

and

D

such that the ratio of the shares of

A

and

B

2 : 3

, that of

B

and

C

1 : 2

and that of

C

and

D

3 : 4

. If the difference between the shares of

A

and

D

₹ 648

, then the sum of their shares is:

EASY

Biology>Genetics and Evolution>Evolution>Hardy Weinberg's Principle

What is the ratio of mean proportional between

3.6

and

12.1

and third proportional between

2

and

11

MEDIUM

Biology>Genetics and Evolution>Evolution>Hardy Weinberg's Principle

When the price of sugar increased by

28 %

, a family reduced its consumption per month such that the expenditure on sugar was only

12 %

more than the earlier one. If the family consumed

18.4 kg

of sugar per month earlier, then what is its new consumption of sugar per month?

MEDIUM

Biology>Genetics and Evolution>Evolution>Hardy Weinberg's Principle

x

is subtracted from each of the numbers

20

37

54

and

105

, then the numbers so obtained in this order are in proportion. What is the mean proportional between

(7 x - 5)

and

(x + 1)

EASY

Biology>Genetics and Evolution>Evolution>Hardy Weinberg's Principle

A person carries $₹ 165$ in the form of currency notes of $₹ 5$ , $₹ 10$ and $₹ 20$ in the ratio of $3 : 2 : 1$ . What is the value of currency notes of $₹ 20$ denomination?

MEDIUM

Biology>Genetics and Evolution>Evolution>Hardy Weinberg's Principle

A certain sum is divided among A, B and C in such way that A gets Rs.

40

more than half of the sum. B gets Rs.

120

less than three-eighths of the sum and C gets Rs.

200

. What is the total sum?

MEDIUM

Biology>Genetics and Evolution>Evolution>Hardy Weinberg's Principle

Rs.

730

were divided among

A

B

and

C

in such a way that if

A

gets Rs.

3

, then

B

gets Rs.

4

and if

B

gets Rs.

3.50

, then

C

gets Rs.

3

. The share of

B

exceeds that of

C

by:

What is the population density of Monaco?

Important Questions on Evolution

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