Quantitative Aptitude - Arithmetic Ability Questions

Q:

In a triangle PQR, ∠PQR = 90 deg, PQ = 10 cm and PR = 26 cm, then what is the value (in cm) of inradius of incircle?

A) 9 B) 4
C) 8 D) 6
 
Answer & Explanation Answer: B) 4

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Q:

What is the value of sec 30° + cot 30°?

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

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Q:

The ratio of two numbers is 5 : 6. If their product is 1470, then what is the sum of both the numbers?

A) 210 B) 77
C) 132 D) 98
 
Answer & Explanation Answer: B) 77

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Q:

The point at which the perpendicular bisectors of the sides of a triangle intersect is known as _____________________

A) circum-centre B) orthocenter
C) centroid D) in-center
 
Answer & Explanation Answer: A) circum-centre

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Q:

An engineering student has to secure 25% marks to pass. He gets 45 and fails by 45 marks. Find the maximum marks.

A) 385 marks B) 410 marks
C) 435 marks D) 360 marks
 
Answer & Explanation Answer: D) 360 marks

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Q:

The greatest perfect square number of 6 digits is

A) 999001 B) 998001
C) 998009 D) 998101
 
Answer & Explanation Answer: B) 998001

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Q:

When 0.363636.....is converted into a fraction, then the result is _____.

A) 7/11 B) 4/11
C) 14/33 D) 8/33
 
Answer & Explanation Answer: B) 4/11

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Q:

Find the least number which when divided by 20, 25, 35 and 40 leaves remainder 14, 19, 29 and 34 respectively?

A) 1394 B) 1384
C) 1364 D) 1374
 
Answer & Explanation Answer: A) 1394

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