International - Quizzes (S/P) - Part 66

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International

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Showing Quizzes: 10 (651-660) [Part - 66 of 96]

Q651. A lady deposits money in her savings bank in such a way that every next day her deposit amount is ₹ 12 more than her previous day deposit. If she starts her deposit with ₹ 12 on the first day, the total amount deposited by Liza at the end of 30 days will be :
Q651. A lady deposits money in her savings bank in such a way that every next day her deposit amount is ₹ 12 more than her previous day deposit. If she starts her deposit with ₹ 12 on the first day, the total amount deposited by Liza at the end of 30 days will be :

(A) 5,420
(A) 5,420

(B) 5,580
(B) 5,580

(D) 5,780
(D) 5,780

Answer: (B) 5,580
Answer: (B) 5,580

The formula for the sum of the first n terms of an arithmetic progression is

S_{n} = \frac{n}{2} (a + a n)

\frac{30}{2} (12 + 12 * 30)

= 15*(12+360) = 15 * 372 = 5580

The formula for the sum of the first n terms of an arithmetic progression is

S_{n} = \frac{n}{2} (a + a n)

\frac{30}{2} (12 + 12 * 30)

= 15*(12+360) = 15 * 372 = 5580

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@1119

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2024-05-09

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Q652. 45% of a number is same as 30% of another number. The ratio of the first number to the second number is :
Q652. 45% of a number is same as 30% of another number. The ratio of the first number to the second number is :

(A) 2 : 3
(A) 2 : 3

(B) 3 : 5
(B) 3 : 5

(D) 2 : 5
(D) 2 : 5

Answer: (A) 2 : 3
Answer: (A) 2 : 3

\frac{45}{100} * X = \frac{30}{100} * Y

\frac{X}{Y} = \frac{30 * 100}{100 * 45}

\frac{X}{Y} = \frac{2}{3}

= X:Y = 2:3

\frac{45}{100} * X = \frac{30}{100} * Y

\frac{X}{Y} = \frac{30 * 100}{100 * 45}

\frac{X}{Y} = \frac{2}{3}

= X:Y = 2:3

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2024-05-09

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Q653. The value of $\sqrt{0.04} + \sqrt{1.44} + \sqrt{1.69} + \sqrt{0.0009}$ is :
Q653. The value of $\sqrt{0.04} + \sqrt{1.44} + \sqrt{1.69} + \sqrt{0.0009}$ is :

(A) 1.73
(A) 1.73

(B) 2.03
(B) 2.03

(D) 1.03
(D) 1.03

Answer: (C) 2.73
Answer: (C) 2.73

\sqrt{0.04} + \sqrt{1.44} + \sqrt{1.69} + \sqrt{0.0009}

\sqrt{0.02*0.02} + \sqrt{1.2*1.2} + \sqrt{1.3*1.3} + \sqrt{0.03*0.03}

= 0.2 + 1.2 + 1.3 + 0.03 = 2.73

\sqrt{0.04} + \sqrt{1.44} + \sqrt{1.69} + \sqrt{0.0009}

\sqrt{0.02*0.02} + \sqrt{1.2*1.2} + \sqrt{1.3*1.3} + \sqrt{0.03*0.03}

= 0.2 + 1.2 + 1.3 + 0.03 = 2.73

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2024-05-09

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Q654. 98 toffees were distributed to some boys in a group. Each boy in the group got twice as many of the toffees as the number of boys. The number of boys in the group was
Q654. 98 toffees were distributed to some boys in a group. Each boy in the group got twice as many of the toffees as the number of boys. The number of boys in the group was

(A) 5
(A) 5

(B) 7
(B) 7

(D) 14
(D) 14

Answer: (B) 7
Answer: (B) 7

7 => x * 2x = 98 => x² =

\frac{98}{2}

=> x² = 49 => x = 7

7 => x * 2x = 98 => x² =

\frac{98}{2}

=> x² = 49 => x = 7

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2024-05-09

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Q655. If the salary of A is 25% more than that of B, how much percentage is the salary of B lower than that of A?
Q655. If the salary of A is 25% more than that of B, how much percentage is the salary of B lower than that of A?

(A) 20%
(A) 20%

(B) 25%
(B) 25%

\frac{1}{2}

%
(C) 12

\frac{1}{2}

(D) 16

\frac{1}{2}

%
(D) 16

\frac{1}{2}

Answer: (A) 20%
Answer: (A) 20%

20% =

\frac{25}{100 + 25} * 100

\frac{25}{125} * 100

% = 20%

20% =

\frac{25}{100 + 25} * 100

\frac{25}{125} * 100

% = 20%

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2024-05-09

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Q656. Two numbers are in the ratio of 2 : 3 and the product of their LCM and HCF is 96. The sum of the numbers is
Q656. Two numbers are in the ratio of 2 : 3 and the product of their LCM and HCF is 96. The sum of the numbers is

(A) 8
(A) 8

(B) 12
(B) 12

(D) 36
(D) 36

Answer: (C) 20
Answer: (C) 20

=> 2x * 3x = 96 => 6x² = 96 => x² = 96/6 => x² = 16 => x = 4 2x + 3x = 5x = 5 * 4 = 20

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2024-05-09

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Q657. The sum of the four consecutive alternate numbers is 64. The smallest number amongst them is
Q657. The sum of the four consecutive alternate numbers is 64. The smallest number amongst them is

(A) 13
(A) 13

(B) 11
(B) 11

(D) 9
(D) 9

Answer: (A) 13
Answer: (A) 13

The smallest number amongst them is 13 => X + (X+2) + (X+4) + (X+6) = 64 => 4X + 12 = 64 => 4X = 64 - 12 => 4X = 52 => X = 13

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2024-05-09

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Q658. When the numerator of a fraction increases by 3, the fraction increases by its three-fourth. The numerator of the fraction is
Q658. When the numerator of a fraction increases by 3, the fraction increases by its three-fourth. The numerator of the fraction is

(A) 3
(A) 3

(B) 4
(B) 4

(D) 6
(D) 6

Answer: (B) 4
Answer: (B) 4

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2024-05-01

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Q659. The number when divided by 2, leaves remainder 1; when divided by 3, leaves remainder 2 and when divided by 4, leaves remainder 3, is
Q659. The number when divided by 2, leaves remainder 1; when divided by 3, leaves remainder 2 and when divided by 4, leaves remainder 3, is

(A) 25
(A) 25

(B) 41
(B) 41

(D) 11
(D) 11

Answer: (D) 11
Answer: (D) 11

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2024-05-01

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Q660. The LCM of two numbers is 40 and their HCF is 4. If the difference between the two numbers is 12, then the sum of the numbers is
Q660. The LCM of two numbers is 40 and their HCF is 4. If the difference between the two numbers is 12, then the sum of the numbers is

(A) 20
(A) 20

(B) 24
(B) 24

(D) 32
(D) 32

Answer: (C) 28
Answer: (C) 28

X * (X-12) = 40 * 4 X = 20 X + (X-12) = 20 + 20 - 12 = 28

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International - Quizzes (S/P) - Part 66

Q652. 45% of a number is same as 30% of another number. The ratio of the first number to the second number is :Q652. 45% of a number is same as 30% of another number. The ratio of the first number to the second number is :

Q653. The value of 0.04 + 1.44 + 1.69 + 0.0009 is :Q653. The value of 0.04 + 1.44 + 1.69 + 0.0009 is :

Q655. If the salary of A is 25% more than that of B, how much percentage is the salary of B lower than that of A?Q655. If the salary of A is 25% more than that of B, how much percentage is the salary of B lower than that of A?

Q656. Two numbers are in the ratio of 2 : 3 and the product of their LCM and HCF is 96. The sum of the numbers isQ656. Two numbers are in the ratio of 2 : 3 and the product of their LCM and HCF is 96. The sum of the numbers is

Q657. The sum of the four consecutive alternate numbers is 64. The smallest number amongst them isQ657. The sum of the four consecutive alternate numbers is 64. The smallest number amongst them is

Q658. When the numerator of a fraction increases by 3, the fraction increases by its three-fourth. The numerator of the fraction isQ658. When the numerator of a fraction increases by 3, the fraction increases by its three-fourth. The numerator of the fraction is

Q659. The number when divided by 2, leaves remainder 1; when divided by 3, leaves remainder 2 and when divided by 4, leaves remainder 3, isQ659. The number when divided by 2, leaves remainder 1; when divided by 3, leaves remainder 2 and when divided by 4, leaves remainder 3, is

Q660. The LCM of two numbers is 40 and their HCF is 4. If the difference between the two numbers is 12, then the sum of the numbers isQ660. The LCM of two numbers is 40 and their HCF is 4. If the difference between the two numbers is 12, then the sum of the numbers is

Q652. 45% of a number is same as 30% of another number. The ratio of the first number to the second number is :
Q652. 45% of a number is same as 30% of another number. The ratio of the first number to the second number is :

Q653. The value of $\sqrt{0.04} + \sqrt{1.44} + \sqrt{1.69} + \sqrt{0.0009}$ is :
Q653. The value of $\sqrt{0.04} + \sqrt{1.44} + \sqrt{1.69} + \sqrt{0.0009}$ is :

Q655. If the salary of A is 25% more than that of B, how much percentage is the salary of B lower than that of A?
Q655. If the salary of A is 25% more than that of B, how much percentage is the salary of B lower than that of A?

Q656. Two numbers are in the ratio of 2 : 3 and the product of their LCM and HCF is 96. The sum of the numbers is
Q656. Two numbers are in the ratio of 2 : 3 and the product of their LCM and HCF is 96. The sum of the numbers is

Q657. The sum of the four consecutive alternate numbers is 64. The smallest number amongst them is
Q657. The sum of the four consecutive alternate numbers is 64. The smallest number amongst them is

Q658. When the numerator of a fraction increases by 3, the fraction increases by its three-fourth. The numerator of the fraction is
Q658. When the numerator of a fraction increases by 3, the fraction increases by its three-fourth. The numerator of the fraction is

Q659. The number when divided by 2, leaves remainder 1; when divided by 3, leaves remainder 2 and when divided by 4, leaves remainder 3, is
Q659. The number when divided by 2, leaves remainder 1; when divided by 3, leaves remainder 2 and when divided by 4, leaves remainder 3, is

Q660. The LCM of two numbers is 40 and their HCF is 4. If the difference between the two numbers is 12, then the sum of the numbers is
Q660. The LCM of two numbers is 40 and their HCF is 4. If the difference between the two numbers is 12, then the sum of the numbers is