Quantitative Aptitude - Arithmetic Ability Questions

Q:

If (x – 2) and (x + 3) are the factors of the equation x2 + k1x + k2 = 0, then what are the values of k1 and k2?

A) k1 = 6, k2 = – 1 B) k 1 = 1, k 2 = – 6
C) k 1 = 1, k2 = 6 D) k1 = – 6, k2 = 1
 
Answer & Explanation Answer: B) k 1 = 1, k 2 = – 6

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

In the given figure, in a right angle triangle ABC, AB = 12 cm and AC = 15 cm. A square is inscribed in the triangle. One of the vertices of square coincides with the vertex of triangle. What is the maximum possible area (in cm.sq) of the square?

A) 1296/49 B) 25
C) 1225/36 D) 1225/64
 
Answer & Explanation Answer: A) 1296/49

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Filed Under: Area
Exam Prep: Bank Exams

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Q:

Choose the most appropriate answer:A boat travels upstream from B to A and downstream from A to B in 3 hours. If the speed of the boat in still water is 9 Km/h and the speed of the current is 3 Km/h, the distance between A and B is

A) 9 km B) 10 km
C) 11 km D) 12 km
 
Answer & Explanation Answer: D) 12 km

Explanation:

Speed of boat in still water = 9 km/hr

Speed of current = 3km/hr

Downstream speed = 9+3 = 12 km/hr

Upstream speed = 9-3 =6 km/hr

Let the distance between A to B be x km.

x/6 + x/12 = 3x + 2x = 36
3x = 36
x = 12 km

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Filed Under: Boats and Streams
Exam Prep: Bank Exams

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Q:

A spaceship travels at 1,260 km/h. How many metres does it travel in 1/10 th of a second?

A) 126 B) 35
C) 36 D) 125
 
Answer & Explanation Answer: B) 35

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Filed Under: Time and Distance
Exam Prep: Bank Exams

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Q:

A wholesaler sells a watch to a retailer at a profit of 33% and the retailer sells it to a customer at a loss of 20%. If the customer pays Rs 2,181.2, what had it cost the wholesaler?

A) Rs 2050 B) Rs 2320
C) Rs 2712 D) Rs 1780
 
Answer & Explanation Answer: A) Rs 2050

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Filed Under: Profit and Loss
Exam Prep: Bank Exams

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Q:

When a discount of 20% is given on a monthly train pass, the profit is 44%. If the discount is 29%, then the profit is _____.

A) 73 percent B) 118.2 percent
C) 17.4 percent D) 27.8 percent
 
Answer & Explanation Answer: D) 27.8 percent

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Filed Under: Profit and Loss
Exam Prep: Bank Exams

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Q:

In a class of 66 students there are 33 girls. The average weight of these girls is 61 Kg and average weight of the full class is 66 kgs. What is the average weight of the boys of the class?

A) 72 B) 73
C) 69 D) 71
 
Answer & Explanation Answer: D) 71

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Filed Under: Average
Exam Prep: Bank Exams

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Q:

A carpenter can build a cupboard in 64 hours. After 16 hours he takes a break. What fraction of the cupboard is yet to be built?

A) 0.6 B) 0.75
C) 0.2 D) 0.8
 
Answer & Explanation Answer: B) 0.75

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Filed Under: Percentage
Exam Prep: Bank Exams

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