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Q:

Which of the following equations has the sum of its roots as 11?

A) x2 - 11x + 18 = 0 B) x2 - 7x + 10 = 0
C) x2 + 2x - 26 = 0 D) x2  + 5x - 6 = 0
 
Answer & Explanation Answer: A) x2 - 11x + 18 = 0

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Filed Under: Simplification
Exam Prep: Bank Exams

Q:

A bag has Rs12.9 in the form of 1 rupee, 50 paise and 10 paise coins in the ratio of 3:2:3. How many 50 paise coins are there in the bag?

A) 9 B) 6
C) 12 D) 3
 
Answer & Explanation Answer: B) 6

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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams

Q:

One of the internal angle of a rhombus is 60° and length of its shorter diagonal is 8 cm. What is the area of the rhombus?

A) 64√3 sq cm B) 32√2 sq cm
C) 64√2 sq cm D) 32√3 sq cm
 
Answer & Explanation Answer: D) 32√3 sq cm

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Filed Under: Area
Exam Prep: Bank Exams

Q:

The average revenues of 11 consecutive years of a company is Rs 69 lakhs. If the average of first 6 years is Rs 64 lakhs and that of last 6 years is Rs 76 lakhs, what is the revenue for the 6th year?

A) Rs 83 lakhs B) Rs 79 lakhs
C) Rs 77 lakhs D) Rs 81 lakhs
 
Answer & Explanation Answer: D) Rs 81 lakhs

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Filed Under: Average
Exam Prep: Bank Exams

Q:

Common factor of 12a4b6, 18a6c2, 36a2b2 is

A) 36a2 B) 108b2
C) 6a2b2 D) 6a2
 
Answer & Explanation Answer: D) 6a2

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Filed Under: Simplification
Exam Prep: Bank Exams

Q:

The total surface area of a hemisphere is 462 sq cm, what is its curved surface area? (Take π = 22/7)

A) 616 sq cms B) 154 sq cms
C) 308 sq cms D) 462 sq cms
 
Answer & Explanation Answer: C) 308 sq cms

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

Q:

In ΔDEF, G and H are points on side DE and DF respectively. GH is parallel to EF. If G divides DE in the ratio 3:2 and HF is 8 cm, then the length of DF is

A) 12 cm B) 20 cm
C) 14 cm D) 16 cm
 
Answer & Explanation Answer: B) 20 cm

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

Q:

Mehdi can complete a work in 25 hours. If he is joined by Jahnavi who is 50% more efficient, in what time will they together finish the work?

A) 12 hours B) 10 hours
C) 3 hours D) 9 hours
 
Answer & Explanation Answer: B) 10 hours

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Filed Under: Time and Work
Exam Prep: Bank Exams