Quantitative Aptitude - Arithmetic Ability Questions

Q:

If y% of y is 289, then what is the value of y?

A) 149 B) 160
C) 170 D) 173
 
Answer & Explanation Answer: C) 170

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Filed Under: Percentage
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Q:

If the price of pen decreases by 20%, then a man can buy 10 more pens for Rs 100. What is the new price (in Rs) of each pen?

A) 1 B) 2
C) 4 D) 5
 
Answer & Explanation Answer: B) 2

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Q:

A man buys 3 type-I cakes and 6 type-II cakes for Rs. 900. He sells type-I cakes at a profit of 15% and type-II cakes at a loss of 10%. If his overall profit is Rs.30, the cost price (in Rs.) of a type-I and of a type-II cakes is

A) 100, 100 B) 160, 70
C) 180, 60 D) 120, 90
 
Answer & Explanation Answer: B) 160, 70

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Q:

Prabhat has done 1/2 of a job in 12 days. Santosh completes the rest of the job in 6 days. In how many days can they together do the job?

A) 12 days B) 4 days
C) 8 days D) 16 days
 
Answer & Explanation Answer: C) 8 days

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

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Q:

Find out the odd word/letters/number/number pair from the given alternatives.

A) POR B) MEF
C) TUD D) STD
 
Answer & Explanation Answer: D) STD

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Q:

Pinaki is 9 years younger than Bhaswati. Thirteen years hence Bhaswati will be 1.2 times as old as Pinaki. Find Pinaki's present age.

A) 28 years B) 32 years
C) 33 years D) 30 years
 
Answer & Explanation Answer: B) 32 years

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Filed Under: Problems on Ages
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Q:

Ranjith can complete a task in 25 days while Anji can finish it in 20 days. They work together on the task for 5 days and then Ranjith leaves. In how many days will Anji finish the remaining work?

A) 15 days B) 10 days
C) 11 days D) 9 days
 
Answer & Explanation Answer: C) 11 days

Explanation:

Lcm of 25 and 20 is 100. So total work = 100 units
Ranjith can do 4 units per day while anju can do 5 units per day
They together complete 5 days of work i.e 9 x 5 = 45 units
The remaining 55 units of work is done by anju in 55/5 days (or) 11 days

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Q:

When a discount of 25% is given on a cruise trip, the profit is 41%. If the discount is 26%, then the profit is

A) 39.12 percent B) 67 percent
C) 94.88 percent D) 11.24 percent
 
Answer & Explanation Answer: A) 39.12 percent

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