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 Quantitative Aptitude - Arithmetic Ability Questions

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Q:

If 17/3 + [3(2x - 5/3)]/2 = 1/6, then what is the value of x?

A) 1 B) 3
C) -3 D) -1
 
Answer & Explanation Answer: D) -1

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Filed Under: Simplification
Exam Prep: Bank Exams

1 1730
Q:

If 35% of (x + y) = 40% of (x – y), then x is what percentage of y?

A) 1500 B) 150
C) 15 D) 105
 
Answer & Explanation Answer: A) 1500

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Filed Under: Percentage
Exam Prep: Bank Exams , CAT

0 1730
Q:

A boat travels 24 km upstream in 6 h and 20 km downstream in 4 h. then, the speed of a boat in still water and the speed of current are respectively

A) 4.5 km/h and 3 km/h B) 4.5 km/h and 0.5 km/h
C) 4 km/h and 2 km/h 5 km/h and 2 km/h D) 5 km/h and 2 km/h
 
Answer & Explanation Answer: B) 4.5 km/h and 0.5 km/h

Explanation:

Distance travelled by boat in upstream=24km

Time taken = 6 h

Speed of the boat in upstream = 24/6 = 4 km/h

And distance travelled by boat in downstream = 20 km

Time taken = 4h Speed of the boat in downstream = 20/4 km/h = 5 km/h

Now, speed of the boat in still water = 1/2 [ speed of the boat in upstream + speed of the boat in downstream] =1/2 [4 + 5] = 1/2 × 9 = 4.5 km/h

And speed of the current = 1⁄2 [speed of the boat in downstream – speed of the boat in upstream] = 1/2 [5 – 4] = 1/2 × 1 = 0.5 km/h

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Filed Under: Boats and Streams
Exam Prep: Bank Exams

7 1730
Q:

In what ratio should tea costing Rs 300/kg be mixed with tea costing Rs 200/kg so that the cost of the mixture is Rs 225/kg?

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

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Filed Under: Alligation or Mixture
Exam Prep: Bank Exams

2 1730
Q:

A sum fetched a total simple interest of Rs. 7056 at the rate of 8 percent per year in 7 years. What is the sum?

A) Rs 12600 B) Rs 15120
C) Rs 10080 D) Rs 7560
 
Answer & Explanation Answer: A) Rs 12600

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Filed Under: Simple Interest
Exam Prep: Bank Exams

2 1730
Q:

Mahesh buys a watch of Rs 300 and sells it. Mahesh gives two successive discount of 15% and 6% to the buyer. What will be the selling price (in Rs) ofthe watch?

A) 213.4 B) 242.3
C) 239.7 D) 247.4
 
Answer & Explanation Answer: C) 239.7

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Filed Under: Profit and Loss
Exam Prep: Bank Exams

3 1730
Q:

A shopkeeper by selling 22 Skechers shoes, earns a profit equal to the selling price of 6 Skechers shoes. His profit percentage is:

A) 27.2 percent B) 37.5 percent
C) 54.4 percent D) 16.9 percent
 
Answer & Explanation Answer: B) 37.5 percent

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Filed Under: Profit and Loss
Exam Prep: Bank Exams

1 1730
Q:

A vendor buys 12 bananas for Rs 60 and sells 5 bananas for Rs 32. What will be his gain (in %)?

A) 28 B) 32
C) 24 D) 22
 
Answer & Explanation Answer: A) 28

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Filed Under: Profit and Loss
Exam Prep: Bank Exams

2 1729