Aptitude and Reasoning Questions

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 distance between the centres of two circles is 61 cm and their radii are 35 cm and 24 cm. What is the length (in cm) of the direct common tangent to the circles?

A) 60 B) 54
C) 48 D) 72
 
Answer & Explanation Answer: A) 60

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Q:

A right circular solid cylinder has radius of base 7 cm and height is 28 cm. It is melted to form a cuboid such that the ratio of its side is 2 : 3 : 6. What is the total surface area (in cm2) cuboid?

A) 215633 B) 215693
C) 214833 D) 204833
 
Answer & Explanation Answer: B) 215693

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Q:

What is the average of all numbers between 8 and 74 which are divisible by 7?

A) 40 B) 41
C) 42 D) 43
 
Answer & Explanation Answer: C) 42

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Q:

Visitors to a show were charged Rs. 15 each on the first day, Rs. 7.50 on the second day, Rs. 2.50 on the third day and total attendance on three days were in the ratio 2:5:13 respectively. The average charge per person for the entire three days is

A) Rs. 5 B) Rs. 5.50
C) Rs. 6 D) Rs. 7
 
Answer & Explanation Answer: A) Rs. 5

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Q:

If a3 + b3 = 19 and ab = -6 , then what is the value of a + b?

A) 5 B) 7
C) 1 D) -5
 
Answer & Explanation Answer: C) 1

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Q:

The total surface area of a hemisphere is 166.32 sq cm, find its radius?

A) 4.2 cm B) 8.4 cm
C) 1.4 cm D) 2.1 cm
 
Answer & Explanation Answer: A) 4.2 cm

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Q:

ABC is a right angled triangle in which ∠A = 90°, AB = 5 cm and AC = 12 cm. What is the approximate volume (in cm3) of the double cone formed by rotating the triangle about its hypotenuse?

A) 145 B) 290
C) 435 D) 580
 
Answer & Explanation Answer: B) 290

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