Quantitative Aptitude - Arithmetic Ability Questions

Q:

If x = 2+32-3, then what is the value of x2+x-9 ?

A) 0 B) 3√2
C) 3√3 D) 5√3
 
Answer & Explanation Answer: D) 5√3

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Q:

Which of the following is correct?

A) (4x - 5y)2 = 16x2 - 20xy + 25y2 B) (4x - 5y)2 = 16x2 + 40xy - 25y2
C) (4x - 5y)2 = 16x2  - 40xy + 25y2 D) (4x - 5y)2  = 16x2 - 20xy - 25y2
 
Answer & Explanation Answer: C) (4x - 5y)2 = 16x2  - 40xy + 25y2

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Q:

A ship is full of cargo containers. It drops 2/3 of cargo containers at the first port and takes 60 more, at the second port it drops two third of the new total and takes eleven more. On arriving at the third port it is found that it have 48 cargo containers. Find the number of cargo containers in the ship at the starting?

A) 189 B) 159
C) 161 D) 153
 
Answer & Explanation Answer: D) 153

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Q:

tan(A/2) is equal to

A) tanA/(1 + secA) B) 1/(cosecA + cotA)
C) tanA/(1 + cosecA) D) 1/(secA + cotA)
 
Answer & Explanation Answer: A) tanA/(1 + secA)

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Q:

Select the related word/letters/number from the given alternatives.
1 : 8 :: ? :64

A) 25 B) 36
C) 30 D) 27
 
Answer & Explanation Answer: D) 27

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Filed Under: Ratios and Proportions
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Q:

In what ratio is the segment joining the points (2,5) and (­6,­10) divided by the y­axis?

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

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Q:

Three electronic devices make a beep after every 48 sec, 72 sec and 108 sec respectively. They beeped together at 10 a.m. The time when they will next make a beep together at the earliest is

A) 10:07:12 hrs B) 10:07:24 hrs
C) 10:07:36 hrs D) 10:07:48 hrs
 
Answer & Explanation Answer: A) 10:07:12 hrs

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Q:

A man travels 401 kilometres in, partly by rail and partly by steamer. He spends 6 hours more time on steamer. If the velocity of the steamer is 21 km/hr and the velocity of rail is 56 km/hr, how much distance does he cover by steamer?

A) 241 km B) 302 km
C) 201 km D) 362 km
 
Answer & Explanation Answer: C) 201 km

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