Quantitative Aptitude - Arithmetic Ability Questions

Q:

ABC is right angled at B. If m∠A = 45°, then find the value of (coseC + 1/√3).

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

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Q:

(251+252+253+254+255) is divided by

A) 23 B) 58
C) 124 D) 127
 
Answer & Explanation Answer: C) 124

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Q:

Makarand works 2 times as fast as Samarjit. If Samarjit can complete a job alone in 27 days, then in how many days can they together finish the job?

A) 6 days B) 7 days
C) 5 days D) 9 days
 
Answer & Explanation Answer: D) 9 days

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Filed Under: Time and Work
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Q:

A missile travels at 1116 km/h. How many metres does it travel in one second?

A) 360 metres B) 368 metres
C) 310 metres D) 348 metres
 
Answer & Explanation Answer: C) 310 metres

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Filed Under: Time and Distance
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Q:

In a circle of radius 8 cm, AB and AC are two chords such that AB = AC = 12 cm. What is the length of chord BC?

A) 2√6 cm B) 3√6 cm
C) 3√7 cm D) 6√7 cm
 
Answer & Explanation Answer: D) 6√7 cm

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Filed Under: Volume and Surface Area
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Q:

In a shop 4.5% of 1500 kg toor dal was sold. Find the quantity sold

A) 64.5 kg. B) 63.5 kg.
C) 70 kg D) 67.5 kg
 
Answer & Explanation Answer: D) 67.5 kg

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Filed Under: Percentage
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Q:

P(4,2) and R(-2,0) are vertices of a rhombus PQRS. What is the equation of diagonal QS.

A) x - 3y = -2 B) 3x + y = 4
C) 3x + y = -4 D) x - 3y = 2
 
Answer & Explanation Answer: B) 3x + y = 4

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Q:

If cot(A/2) = x, then the value of x is

A) √[(1 + cosA)/(1 -­ cosA)] B) cosecA -­ cotA
C) √[(1 -­ cosA)/2] D) √[(1 + cosA)/2]
 
Answer & Explanation Answer: A) √[(1 + cosA)/(1 -­ cosA)]

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