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Q:

The average height of 50 bats is 126 cm. Some bats of average height 120 cm are removed. If the new average height is 130 cm, then how many bats are remaining?

 

A) 12 B) 20
C) 16   D) 30
 
Answer & Explanation Answer: D) 30

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Filed Under: Average
Exam Prep: Bank Exams

Q:

Two mixtures have milk and water in the ratio 1 : 4 and 3 : 2 respectively. In what ratio two types of mixtures have to be mixed to get a new mixture having ratio of milk and water as 1 : 1?

 

A) 4 : 3 B) 5 : 3
C) 3 : 2 D) 1 : 3
 
Answer & Explanation Answer: D) 1 : 3

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Filed Under: Alligation or Mixture
Exam Prep: AIEEE , Bank Exams

Q:

If 25% of X is equal to 40% of Y, then what is the ratio of X and Y?

A) 8 : 5 B) 5 : 3
C) 9 : 5 D) 4 : 5
 
Answer & Explanation Answer: A) 8 : 5

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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams , CAT

Q:

If the side of the equilateral triangle is 6√3 cm, then what is length (in cm) of the circum radius of that triangle?

 

A) 4 B) 6
C) 8 D) 12
 
Answer & Explanation Answer: B) 6

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

Q:

If the circum radius of the equilateral triangle is 12 cm then what is the value of in radius (in cm) of the triangle?

A) 3 B) 6
C) 8 D) 10
 
Answer & Explanation Answer: B) 6

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

Q:

Find the value of 1006×994?

A) 999932   B) 999964
C) 1000032 D) 1000064
 
Answer & Explanation Answer: B) 999964

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Filed Under: Simplification
Exam Prep: Bank Exams

Q:

What is the value of xy if x - y = 3 and x2+y2=15?

A) 1 B) 3
C) 5 D) 7
 
Answer & Explanation Answer: B) 3

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Filed Under: Simplification
Exam Prep: Bank Exams

Q:

A number 35786X625 is completely divisible by 9, find the smallest whole digit number in the place of ‘X’.

A) 0 B) 1
C) 2 D) 3
 
Answer & Explanation Answer: D) 3

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Filed Under: Problems on Numbers
Exam Prep: Bank Exams