Quantitative Aptitude - Arithmetic Ability Questions

Q:

Ram and Shyam undertook a work for Rs 5600. Ram alone can do the work in 5 days and Shyam alone can do the work in 9 days. If they worktogether, then what will be the difference (in Rs.) in the amount they receive?

A) 1800 B) 2400
C) 1600 D) 2200
 
Answer & Explanation Answer: C) 1600

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Filed Under: Time and Work
Exam Prep: Bank Exams

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Q:

Three consecutive angles of a cycle quadrilateral are in the ratio of 1 : 4 : 5 . The measure of fourth angle is

A) 120° B) 60°
C) 30° D) 80°
 
Answer & Explanation Answer: B) 60°

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

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Q:

If xa+b+1=xa-b+a-ba+b, then x is equal to

A) 2a-b B) a+b
C) a-b D) 2a+b
 
Answer & Explanation Answer: C) a-b

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Filed Under: Simplification
Exam Prep: Bank Exams

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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

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Q:

Consider the figure shown below which consists of the triangle ABC which touches the circle with centre at O. Which of the following options is CORRECT?

A) AB – CQ = AC + BQ B) AB + CQ = AC + BQ
C) AB + CQ = AC – BQ D) None of the above
 
Answer & Explanation Answer: B) AB + CQ = AC + BQ

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Filed Under: Area
Exam Prep: Bank Exams

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Q:

Marked price of an item is Rs 200. On purchase of 1 item discount is 22%, on purchase of 4 items discount is 33%. Rabia buys 5 items, what is the effective discount?

A) 35 percent B) 30.8 percent
C) 20.4 percent D) 34 percent
 
Answer & Explanation Answer: B) 30.8 percent

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Filed Under: Percentage
Exam Prep: Bank Exams

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Q:

In ΔABC, ∠B = 70° and ∠C = 60°. The internal bisectors of the two smallest angles of ΔABC meet at O. The angle so formed at O is

A) 125° B) 120°
C) 115° D) 110°
 
Answer & Explanation Answer: A) 125°

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Q:

The shopkeepers announce the same price of Rs. 700 for a sewing machine. The first offers successive discounts of 30% and 6% while the second offers successive discounts of 20% and 16%. The difference in their selling price is

A) Rs. 9.8 B) Rs. 16.8
C) Rs. 22.4 D) Rs. 36.4
 
Answer & Explanation Answer: A) Rs. 9.8

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Filed Under: Profit and Loss
Exam Prep: Bank Exams

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