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Q:

When a number is increased by 20, it becomes 116% of itself. What is the number?

A) 100 B) 250
C) 125 D) 400
 
Answer & Explanation Answer: C) 125

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Filed Under: Problems on Numbers
Exam Prep: Bank Exams

Q:

Average of all even numbers between 104 and 148 is __________.

A) 128 B) 130
C) 124 D) 126
 
Answer & Explanation Answer: D) 126

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Filed Under: Average
Exam Prep: Bank Exams

Q:

A regular square pyramid has side of its base 20 cm and height 45 cm is melted and recast into regular triangular pyramids of equilateral base of side 10 cm and height 10√3 cm. What are the total numbers of regular triangular pyramid?

A) 24 B) 20
C) 27 D) 28
 
Answer & Explanation Answer: A) 24

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

Q:

A root of equation ax2 + bx + c = 0 (where a, b and c are rational numbers) is 5 + 3√3. What is the value of (a2 + b2 + c2)/(a + b + c)?

A) 35/3 B) 37/3
C) – 105/11 D) – 105/13
 
Answer & Explanation Answer: C) – 105/11

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Filed Under: Simplification
Exam Prep: Bank Exams

Q:

If the least common multiple of two numbers, 1728 and K is 5184, then how many values of K are possible?

A) 11 B) 8
C) 6 D) 7
 
Answer & Explanation Answer: D) 7

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Filed Under: Problems on Numbers
Exam Prep: Bank Exams

Q:

What is the sum of all natural numbers between 100 and 400 which are divisible by 13?

A) 5681 B) 5334
C) 5434 D) 5761
 
Answer & Explanation Answer: A) 5681

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Filed Under: Problems on Numbers
Exam Prep: Bank Exams

Q:

If the sum of ten different positive integers is 100, then what is the greatest possible number among these 10 numbers?

A) 45 B) 91
C) 55 D) 64
 
Answer & Explanation Answer: C) 55

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Filed Under: Problems on Numbers
Exam Prep: Bank Exams

Q:

How many three digit numbers are there in which all the digits are odd?

A) 100 B) 125
C) 500 D) 250
 
Answer & Explanation Answer: B) 125

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Filed Under: Problems on Numbers
Exam Prep: Bank Exams