Quantitative Aptitude - Arithmetic Ability Questions

Q:

A student has to secure 40% marks to pass. He gets 67 and fails by 13 marks. What is the maximum marks?

A) 300 B) 200
C) 150 D) 240
 
Answer & Explanation Answer: B) 200

Explanation:
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Filed Under: Percentage
Exam Prep: Bank Exams

2 3198
Q:

In the given figure, QRU = 72°, TRS = 15°, PSR = 95° , then what is the value (in deg) of PQR?

A) 85 B) 95
C) 75 D) 90
 
Answer & Explanation Answer: B) 95

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

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Q:

If 5x - 17 = -x + 7, then x = ?

A) 4 B) 5
C) 7 D) 9
 
Answer & Explanation Answer: A) 4

Explanation:

Given equation  5x-17 = -x+7

Add 1x to each side of the equation

5x-17+x = -x+7+x

6x=24

x=4

 

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Filed Under: Logarithms
Exam Prep: AIEEE , Bank Exams , CAT , GATE , GRE
Job Role: Analyst , Bank Clerk , Bank PO

17 3198
Q:

The ratio of the monthly salaries of A and B is in the ratio 5 : 16 and that of B and C is in the ratio 17 : 18. Find the monthly income of C if the total of their monthly salary is Rs. 1,87,450.

A) Rs. 66,240 B) Rs. 72,100
C) Rs. 62,200 D) Rs. 65,840
 
Answer & Explanation Answer: A) Rs. 66,240

Explanation:

So A : B : C = 1 5 × 1 7 : 1 6 × 17 : 16 × 18 = 255 : 272 : 288

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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams

2 3196
Q:

Giving two successive discounts of 25% is equal to giving one discount of ________%.

A) 43.75 B) 56.25
C) 50 D) 45
 
Answer & Explanation Answer: A) 43.75

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Filed Under: Percentage
Exam Prep: Bank Exams

2 3194
Q:

7 hrs after a goods train passed a station, another train travelling at a speed of 54 km/hr following that goods train passed through that station. If after passing the station the train overtakes the goods train in 11 hours. What is the speed of the goods train?

A) 39.6 km/hr B) 49.5 km/hr
C) 33 km/hr D) 26.4 km/hr
 
Answer & Explanation Answer: C) 33 km/hr

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Filed Under: Problems on Trains

3 3186
Q:

8 litres are drawn from a flask containing milk and then filledwith water. The operation is performed 3 more times. Theratio of the quantity of milk left and total solution is 81/625.How much milk the flask initially holds?

A) 10 ltr B) 20 ltr
C) 30 ltr D) 40 ltr
 
Answer & Explanation Answer: B) 20 ltr

Explanation:

Let initial quantity be Q, and final quantity be F

F = Q(1 - 8/Q)4

=> Q = 20

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Filed Under: Alligation or Mixture

5 3185
Q:

A watch dealer sells watches at Rs 600 per watch. However,he is forced to give two successive discounts of 10% and 5% respectively. However, he recovers the sales tax on the net sale price from the customer at 5% of the net price. What price does a customer have to pay him to buy the watch?

A) Rs 539.75 B) Rs 539.65
C) Rs 538.75 D) Rs 538.65
 
Answer & Explanation Answer: D) Rs 538.65

Explanation:
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