Quantitative Aptitude - Arithmetic Ability Questions

Q:

There were 35 studentsina hostel.Ifthenumber of studentsbe increased by 7, the expenditure on food increases by Rs 42 per day while the average expenditure of studentsis reduced by Rs 1. What was the initial expenditure on food per day?

A) Rs 432 B) Rs 442
C) Rs 420 D) Rs 400
 
Answer & Explanation Answer: C) Rs 420

Explanation:

Let the original avg expenditure be x

Total expenditure = 35x

⇒35x + 42 = (x-1) X 42

⇒35x + 42 = 42x –42

⇒7x = 84

⇒x = 12

So, initial expenditure = 12 X 35 = 420

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Filed Under: Average
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Q:

Find the unit place in 194102+294103

A) 0 B) 6
C) 8 D) 2
 
Answer & Explanation Answer: A) 0

Explanation:
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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

The value of cosec260 + sec260  cot260 + tan230 will be

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

Explanation:
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Q:

A shopkeeper cheats to the extent of 11% while buying and selling fruits, by using tampered weights. His total gain in percentage is

A) 23.25 B) 23.21
C) 23.75 D) 23.5
 
Answer & Explanation Answer: B) 23.21

Explanation:
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Filed Under: Profit and Loss
Exam Prep: Bank Exams

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Q:

If Anuj walks at the speed of 4 km/hr, then he reaches his school 6 minutes late but if he walks at the speed of 5 km/hr, then he reaches 6 minutes before the scheduled time. What is the distance (in km) of his school from his house?

A) 4 B) 3
C) 6 D) 3.5
 
Answer & Explanation Answer: A) 4

Explanation:
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Filed Under: Time and Distance
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Q:

Seven friends spent Rs 14 each on a project and the eighth friend spent Rs 21 more than the average expenditure of all eight of them. What is the amount of total money (in Rs) spent by them?

A) 133 B) 136
C) 141 D) 155
 
Answer & Explanation Answer: B) 136

Explanation:
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Q:

Tapas, Avi and Rishi shared a cake. Tapa had 1/2 of it, Rishi had 1/3 of it, and Avi had the rest. What was Avi's share of the cake?

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

Explanation:
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Filed Under: Percentage
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Q:

If 3A = 7B = 13C, then A : B : C is equal to

A) 21:39:91 B) 39:91:21
C) 13:7:3 D) 91:39:21
 
Answer & Explanation Answer: D) 91:39:21

Explanation:
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Filed Under: Ratios and Proportions
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