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 : [#1119]
Q1. 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 : Q1. 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
(C) 5,620 (C) 5,620
(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
= 15*(12+360)
= 15 * 372
= 5580The formula for the sum of the first n terms of an arithmetic progression is
= 15*(12+360)
= 15 * 372
= 5580
Q1. What is the term for a shape with five sides? Q1. What is the term for a shape with five sides?
(A) Triangle (A) Triangle
(B) Quadrilateral (B) Quadrilateral
(C) Pentagon (C) Pentagon
(D) Hexagon (D) Hexagon
Answer: (C) Pentagon Answer: (C) Pentagon
A pentagon is a polygon with five sides, like the shape of the Pentagon building in Washington, D.C.A pentagon is a polygon with five sides, like the shape of the Pentagon building in Washington, D.C.
Q2. What is the value of x in the equation 2x + 5 = 11? Q2. What is the value of x in the equation 2x + 5 = 11?
(A) 2 (A) 2
(B) 3 (B) 3
(C) 4 (C) 4
(D) 5 (D) 5
Answer: (B) 3 Answer: (B) 3
To solve for x, subtract 5 from both sides of the equation, resulting in 2x = 6. Then, divide both sides by 2, giving x = 3.To solve for x, subtract 5 from both sides of the equation, resulting in 2x = 6. Then, divide both sides by 2, giving x = 3.
Q3. What is the term for the result of multiplying a number by itself? Q3. What is the term for the result of multiplying a number by itself?
(A) Factor (A) Factor
(B) Product (B) Product
(C) Quotient (C) Quotient
(D) Square (D) Square
Answer: (D) Square Answer: (D) Square
The result of multiplying a number by itself is called a square, such as 4 × 4 = 16, which is denoted as 42 (four squared).The result of multiplying a number by itself is called a square, such as 4 × 4 = 16, which is denoted as 42 (four squared).
Q4. The sum of two numbers is 15 and the sum of their squares is 113. The numbers are Q4. The sum of two numbers is 15 and the sum of their squares is 113. The numbers are
Q5. In a school with 10 teachers, one retires and immediately a new teacher of age 25 years joins. As a result, the average age of the teacher reduces by 3. The age of the retired teacher is Q5. In a school with 10 teachers, one retires and immediately a new teacher of age 25 years joins. As a result, the average age of the teacher reduces by 3. The age of the retired teacher is
(A) 55 years (A) 55 years
(B) 65 years (B) 65 years
(C) 58 years (C) 58 years
(D) 60 years (D) 60 years
Answer: (A) 55 years Answer: (A) 55 years
25 years + (3*10) years = 55 years25 years + (3*10) years = 55 years
Q7. The difference of two numbers is 5 and the difference of their square is 135. Then the sum of the numbers is Q7. The difference of two numbers is 5 and the difference of their square is 135. Then the sum of the numbers is
Q10. The ratio of the radii of two circles is 1 : 3. The ratio of their areas is Q10. The ratio of the radii of two circles is 1 : 3. The ratio of their areas is
