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Q:

In a mixture of 25 litres, the ratio of milk to water is 4:1. Another 3 litres of water is added to the mixture. The ratio of milk to water in the new mixture is

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

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Filed Under: Alligation or Mixture
Exam Prep: Bank Exams

1 1562
Q:

Haematite is an ore/mineral of

A) Zinc B) Iron
C) Lead D) Manganese
 
Answer & Explanation Answer: B) Iron

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Filed Under: Chemistry
Exam Prep: Bank Exams

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Q:

The sum of present age of father and his son is 60 yrs. Six years ago, father's age was five times the age of the son. After 6 years, son's age will be?

A) 45 B) 25
C) 20 D) 33
 
Answer & Explanation Answer: C) 20

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Filed Under: Problems on Ages
Exam Prep: Bank Exams

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Q:

Sec 45% + Tan 30% =

A) (√6 + 1)/√3 B) (1 + √3)/2
C) (√3 + 2)/√3 D) 5/√3
 
Answer & Explanation Answer: A) (√6 + 1)/√3

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

What is the area (in sq cm) of a rhombus if the lengths of the diagonals are 12 cm and 14 cm?

A) 42 B) 168
C) 84 D) 63
 
Answer & Explanation Answer: C) 84

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Filed Under: Area
Exam Prep: Bank Exams

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Q:

What are the roots of the quadratic equation: x2 + 3x ­- 154 = 0

A) 11, 14 B) 11, ­-14
C) 14, -­11 D) 14, -­22
 
Answer & Explanation Answer: B) 11, ­-14

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

Which of the following quadratic equations has real roots?

A) 4x2 -­ 9x + 6 = 0 B) 3x2 -­ 2x + 6 = 0
C) 2x2 -­ 7x + 6 = 0 D) x2 -­ 2x + 2 = 0
 
Answer & Explanation Answer: C) 2x2 -­ 7x + 6 = 0

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

√[(1 ­ sinA)/(1 + sinA)] is equal to?

A) secA -­ tanA B) cosecA -­ cotA
C) secA + tanA D) cosecA + cotA
 
Answer & Explanation Answer: A) secA -­ tanA

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Filed Under: Simplification
Exam Prep: Bank Exams

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