Aptitude and Reasoning Questions

Q:

If a + b = 10 and ab = 21, then the value of (a - b)2 is

A) 15 B) 16
C) 17 D) 18
 
Answer & Explanation Answer: B) 16

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Q:

When a discount of Rs. 42 is allowed on the marked price of an article, the new reduced price becomes 86% of the original price. Find the marked price.

A) Rs.250 B) Rs.300
C) Rs.350 D) Rs.400
 
Answer & Explanation Answer: B) Rs.300

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Q:

If x + 1/x = 6, then value of x2 + 1/x2 is

A) 23 B) 16
C) 34 D) 32
 
Answer & Explanation Answer: C) 34

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Q:

24 men can complete a piece of work in 18 days while 12 women can complete the same piece of work in 28 days. 27 men start working and are replaced by 14 women after 8 days. In how many days will 14 women finish the remaining work?

A) 12 days B) 13 days
C) 12.5 days D) 13.5 days
 
Answer & Explanation Answer: A) 12 days

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Q:

If on an item there is 12% discount on the marked price of Rs 10,000 but the item is sold at Rs 8,360 only then what additional discount (in %) did the customer get?

A) 6 B) 7
C) 5 D) 8
 
Answer & Explanation Answer: C) 5

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Q:

If the parallel sides of a trapezium are 8 cm and 4 cm, M and N are the mid points of the diagonals of the trapezium, then length of MN is

A) 12 cm B) 6 cm
C) 1 cm D) 2 cm
 
Answer & Explanation Answer: D) 2 cm

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Filed Under: Area
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Q:

ΔABC is right angled at B. BD is an altitude. AD = 9 cm and DC = 16 cm. What is the value of BD (in cm)?

A) 6 B) 18
C) 21 D) 12
 
Answer & Explanation Answer: D) 12

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Q:

Select the odd letters from the given alternatives.

A) LMN B) PPQ
C) RST D) VWX
 
Answer & Explanation Answer: B) PPQ

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Filed Under: Odd Man Out
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