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Q:

The difference between simple and compound interests compounded annually on a certain sum of money for 2 years at 4% per annum is Rs. 1. The sum (in Rs.) is:

A) 620 B) 630
C) 640 D) 625
 
Answer & Explanation Answer: D) 625

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Filed Under: Simple Interest
Exam Prep: Bank Exams

Q:

The product of two 2-digit numbers is 2160 and their H.C.F. is 12. The numbers are

A) (12, 60) B) (72, 30)
C) (36, 60) D) (60, 72)
 
Answer & Explanation Answer: C) (36, 60)

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Filed Under: HCF and LCM
Exam Prep: Bank Exams

Q:

The angle of elevation of a ladder leaning against a wall is 60 deg and the foot of the ladder is 4.6 m away from the wall. The length of the ladder is

A) 2.3 m B) 4.6 m
C) 9.2 m D) 7.8 m
 
Answer & Explanation Answer: C) 9.2 m

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Filed Under: Height and Distance
Exam Prep: Bank Exams

Q:

In ΔABC, ∠B is right angle, D is the mid point of the side AC. If AB = 6 cm, BC = 8cm, then the length of BD is

A) 4 cm B) 5 cm
C) 8 cm D) 12 cm
 
Answer & Explanation Answer: B) 5 cm

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Filed Under: Volume and Surface Area
Exam Prep: Bank Exams

Q:

The average salary of male employees in a firm was Rs. 5200 and that of females was Rs. 4200. The mean salary of all the employees was Rs. 5000. What is the % of female employees?

A) 80% B) 20%
C) 40% D) 30%
 
Answer & Explanation Answer: B) 20%

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Filed Under: Percentage
Exam Prep: Bank Exams

Q:

If the length of a chord of a circle is equal to that of the radius of the circle, then the angle subtended, in radians, at the centre of the circle by chord is

A) 1 B) ∏/2
C) ∏/3 D) ∏/4
 
Answer & Explanation Answer: C) ∏/3

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Filed Under: Volume and Surface Area
Exam Prep: Bank Exams

Q:

ΔABC and ΔDEF are two similar triangles and the perimeter of ΔABC and ΔDEF are 30 cm and 18 cm respectively. If length of DE = 36 cm, then length of AB is

A) 60 cm B) 40 cm
C) 45 cm D) 50 cm
 
Answer & Explanation Answer: A) 60 cm

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Filed Under: Simplification
Exam Prep: Bank Exams

Q:

The value of aa-b+bb-a is

A) a+b/a-b B) -1
C) 2ab D) 1
 
Answer & Explanation Answer: D) 1

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Filed Under: Simplification
Exam Prep: Bank Exams