Quantitative Aptitude - Arithmetic Ability Questions

Q:

Determine the value of ‘r’ for which the equation 13x + 5 = rx + 18 has no solution.

A) 0 B) 5
C) 13 D) 18
 
Answer & Explanation Answer: C) 13

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Q:

Which of the following equations has real and distinct roots?

A) 3x2 - 6x + 2 = 0 B) 3x2 - 6x + 3 = 0
C) x2 - 8x + 16 = 0 D) 4x2 - 8x + 4 = 0
 
Answer & Explanation Answer: A) 3x2 - 6x + 2 = 0

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Q:

Select the odd letters from the given alternatives.

A) CEG B) UXZ
C) ORT D) ILN
 
Answer & Explanation Answer: A) CEG

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Q:

A scored 72% in a paper with a maximum marks of 900 and 80% in another paper with a maximum marks of 700. If the result is based on the combined percentage of two papers, the combined percentage is

A) 75.5% B) 76%
C) 76.5% D) 77%
 
Answer & Explanation Answer: A) 75.5%

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Q:

4 hrs after a goods train passed a station, another train travelling at a speed of 60 km/hr following that goods train passed through that station. If after passing the station the train overtakes the goods train in 8 hours. What is the speed of the goods train?

A) 40 km/hr B) 48 km/hr
C) 60 km/hr D) 32 km/hr
 
Answer & Explanation Answer: A) 40 km/hr

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Q:

What is the largest 4 digit number which is exactly divisible by 81?

A) 9993 B) 9936
C) 9918 D) 9963
 
Answer & Explanation Answer: D) 9963

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Q:

If x2+1x2-6, then find the value of 2x(x-1)x3-x2-x+1

A) 0 B) 1
C) 2 D) 3
 
Answer & Explanation Answer: B) 1

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Q:

What is the difference of the cube and square of the common root of (x2 – 8x + 15) = 0 and (y2 + 2y – 35) = 0?

A) 76 B) 100
C) 294 D) 318
 
Answer & Explanation Answer: B) 100

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