Quantitative Aptitude - Arithmetic Ability Questions

Q:

What is the rate of interest if simple interest earned on a certain sum for the 3rd year is Rs 1,750 and compound interest earned for 2 years is Rs 3622.5?

A) 8 B) 9
C) 10 D) 7
 
Answer & Explanation Answer: D) 7

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Filed Under: Simple Interest
Exam Prep: Bank Exams

2 1509
Q:

A train crosses a 375 m long platform in 27 seconds. How long was the train if it was travelling at the speed of 70 kmph?

A) 525 m B) 140 m
C) 160 m D) 150 m
 
Answer & Explanation Answer: D) 150 m

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Filed Under: Problems on Trains
Exam Prep: Bank Exams

2 1508
Q:

A painter can paint a fence in 24 hours. After 6 hours he takes a break. What fraction of the fence is yet to be painted?

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

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Filed Under: Time and Work
Exam Prep: Bank Exams

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Q:

If the selling price is Rs 2125 after getting a discount of 15% what was the marked price?

A) Rs 2443.75 B) Rs 1806.25
C) Rs 1847 D) Rs 2500
 
Answer & Explanation Answer: D) Rs 2500

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Filed Under: Percentage
Exam Prep: Bank Exams

4 1508
Q:

Sum of cubes of first n even natural numbers.

Answer

Proof of Sum of cubes of first n even natural numbers ::


sum_of_cubes_of_first_n_even_natural_numbers1556603651.png image


 


Hence, in other words, the sum of the first n cubes is the square of the sum of the first n natural numbers.

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Subject: Simplification Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Analyst , Bank Clerk , Bank PO

4 1508
Q:

In the following question, select the odd word from the given alternatives.

A) CEAC B) FHDF
C) PRMP D) TVRT
 
Answer & Explanation Answer: C) PRMP

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Filed Under: Odd Man Out
Exam Prep: Bank Exams

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Q:

In a triangle PQR, PX, QY and RZ be altitudes intersecting at O. If PO = 6 cm, PX = 8 cm and QO = 4 cm, then what is the value (in cm) of QY?

A) 6.3 B) 5.8
C) 6 D) 7
 
Answer & Explanation Answer: D) 7

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Filed Under: Area
Exam Prep: Bank Exams

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Q:

Two cars travel from city A to city B at a speed of 36 and 54 km/hr respectively. If one car takes 3.5 hours lesser time than the other car for the journey, then the distance between City A and City B is

A) 454 km B) 567 km
C) 302 km D) 378 km
 
Answer & Explanation Answer: D) 378 km

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Filed Under: Time and Distance
Exam Prep: AIEEE , Bank Exams , CAT

3 1507