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Q:

An alloy is made by mixing metal A costing Rs 2000/kg and metal B costing Rs 400/kg in the ratio A:B = 3:1. What is the cost (in Rs) of 8 kilograms of this alloy?

A) 1600	B) 9800
C) 6400	D) 12800

Answer & Explanation Answer: D) 12800

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Filed Under: Alligation or Mixture
Exam Prep: Bank Exams

Q:

The table given below shows the information about bats manufactured by 6 different companies. Each company manufactures only plastic and wooden bats. Each company labels these bats as Brand A and Brand B. The table shows the number of plastic bats as a percentage of total bats manufactured by each company. It also shows the ratio of wooden bats labeled A and B. Each company manufactured a total of 550000 bats.

Taking all 6 companies together, how many wooden bats of Brand A have been produced?

A) 691000	B) 724000
C) 683000	D) 716000

Answer & Explanation Answer: A) 691000

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Filed Under: Table Charts
Exam Prep: Bank Exams

Q:

A kite is flying in the sky. The length of string between a point on the ground and kite is 420 m. The angle of elevation of string with the ground is 30 deg. Assuming that there is no slack in the string, then what is the height (in metres) of the kite?

A) 210	B) 140√3
C) 210√3	D) 150

Answer & Explanation Answer: A) 210

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Filed Under: Height and Distance
Exam Prep: Bank Exams

Q:

The angle of elevation of an aeroplane from a point on the ground is 60 deg. After flying for 30 seconds, the angle of elevation changes to 30 deg. If the aeroplane is flying at a height of 4500 m, then what is the speed (in m/s) of aeroplane?

A) 50√3	B) 100√3
C) 200√3	D) 300√3

Answer & Explanation Answer: B) 100√3

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Filed Under: Height and Distance
Exam Prep: Bank Exams

Q:

In the given figure, ABCD is a square. EFGH is a square formed by joining mid points of sides of ABCD. LMNO is a square formed by joining mid points of sides of EFGH. A circle is inscribed inside EFGH. If area of circle is 38.5 sq.cm, the what is the area (in sq.cm) of square ABCD?

A) 98	B) 196
C) 122.5	D) 171.5

Answer & Explanation Answer: B) 196

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Filed Under: Area
Exam Prep: Bank Exams

Q:

If one root of the equation ${Ax}^{2} + Bx + C = 0$ is two and a half times the others, then which of the following is TRUE?

A) 7B2 = 3 CA	B) 7B2 = 4 CA
C) 7B2 = 36 CA	D) 10B2 = 49 CA

Answer & Explanation Answer: D) 10B2 = 49 CA

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Filed Under: Simplification
Exam Prep: Bank Exams

Q:

Which of the following statement(s) is/are TRUE?

$I . \sqrt{12} > \sqrt[3]{16} > \sqrt[4]{24} II . \sqrt[3]{25} > \sqrt[4]{32} > \sqrt[6]{48} III . \sqrt[4]{9} > \sqrt[3]{15} > \sqrt[6]{24}$

A) Only I and II	B) Only I and III
C) Only I	D) All are true.

Answer & Explanation Answer: A) Only I and II

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Filed Under: Simplification
Exam Prep: Bank Exams

Q:

Which of the following statement(s) is/are TRUE?

I. √11 + √7 < √10 + √8.
II. √17 + √11 > √15 + √13

A) Only I	B) Only II
C) Both I and II	D) Neither I nor II

Answer & Explanation Answer: A) Only I

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Filed Under: Verification of Truth of the statement
Exam Prep: Bank Exams

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