Aptitude and Reasoning Questions

Q:

The mean height of 25 boys in a class is 150 cm, and the mean height of 35 girls in the same class is 145 cm. The combined mean height of 60 students in the class is ___ (app)

A) 146 B) 143
C) 147 D) 145
 
Answer & Explanation Answer: C) 147

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Filed Under: Average
Exam Prep: Bank Exams

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Q:

What would be the smaller of the two angles formed by the hour hand and the minute hand at 3:47 p.m?

A) 168.5 deg B) 162 deg
C) 166.5 deg D) 165 deg
 
Answer & Explanation Answer: A) 168.5 deg

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Filed Under: Clocks
Exam Prep: Bank Exams

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Q:

In a class of 60 students there are 20 girls who scored an average of 40 marks in the test, what is the average marks of the boys if the class average is 60 marks?

A) 60 B) 70
C) 50 D)
 
Answer & Explanation Answer: B) 70

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Exam Prep: Bank Exams

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Q:

25% discount is offered on an item. By applying a promo code the customer wins 4% cash back. What is the effective discount?

A) 28 percent B) 29.12 percent
C) 29 percent D) 5 percent
 
Answer & Explanation Answer: A) 28 percent

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Filed Under: Percentage
Exam Prep: Bank Exams

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Q:

The ratio of number of cans of orange, pineapple and mixed fruit juices kept in a store is 8 : 9 : 15. If the store sells 25%, 33.33% and 20% of orange, pineapple and mixed fruit juices cans respectively, then what is the ratio of number of cans of these juices in the remaining stock?

A) 1 : 1 : 2 B) 6 : 6 : 13
C) 12 : 15 : 19 D) 4 : 9 : 13
 
Answer & Explanation Answer: A) 1 : 1 : 2

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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams

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Q:

In the following question, select the odd letters from the given alternatives.

A) MN B) NM
C) OL D) ET
 
Answer & Explanation Answer: D) ET

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Filed Under: Odd Man Out
Exam Prep: Bank Exams

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Q:

The zeros of the cubic polynomial 2x3-x2-2x+1 are a, b and c respectively. Find a+b+c :

A) -1 B) 2
C) 1 D) none
 
Answer & Explanation Answer: D) none

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Filed Under: Simplification
Exam Prep: AIEEE , Bank Exams , CAT

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Q:

Cartesian product in relational algebra is

Answer

The Cartesian Product is also an operator which works on two sets. It is sometimes called the CROSS PRODUCT or CROSS JOIN. It combines the tuples of one relation with all the tuples of the other relation.

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Subject: Arithmetical Reasoning Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Analyst , Bank Clerk , Bank PO

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