Aptitude and Reasoning Questions

Q:

From a square plate with each side 7 cm, squares of area 0.25 sq. cm are cut out at each corner and the remaining plate is folded along the cuts to form a cuboid. The volume of this open-top cuboid will be ......... . cub.cm

A) 21 B) 16
C) 18 D) 20
 
Answer & Explanation Answer: C) 18

Explanation:
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Filed Under: Area
Exam Prep: AIEEE , Bank Exams

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Q:

If 3A = 2B = C, then A : B : C = ?

A) 6 : 2 : 3 B) 1/3 : 1/2 : 1
C) 3 : 2 : 1 D) 1 : 3 : 2
 
Answer & Explanation Answer: B) 1/3 : 1/2 : 1

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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams

15 1683
Q:

20% discount is offered on an item. By applying a promo code the customer wins 10% cash back. What is the effective discount?

A) 30.8 percent B) 30 percent
C) 12 percent D) 28 percent
 
Answer & Explanation Answer: D) 28 percent

Explanation:
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Filed Under: Percentage
Exam Prep: Bank Exams

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Q:

If 9#3=6; 15#3=9; 60#4=32; then what is the value of 27#3=?

A) 24 B) 15
C) 13 D) 33
 
Answer & Explanation Answer: B) 15

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Filed Under: Coding and Decoding
Exam Prep: Bank Exams

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Q:

If 3x= 4y= 12, then z is equal to

A) xy B) x + y
C) xy/x+Y D) 4x +3y
 
Answer & Explanation Answer: C) xy/x+Y

Explanation:
Taking log of all 3 we get
xln3 = yln4 =
zln12 = k
z = k/ln12 = k / ln(
3*4) = k/ln3 + ln4 = k / (k/x +k/y) = xy / (x+y)
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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

Ranjith can complete a task in 25 days while Anji can finish it in 20 days. They work together on the task for 5 days and then Ranjith leaves. In how many days will Anji finish the remaining work?

A) 15 days B) 10 days
C) 11 days D) 9 days
 
Answer & Explanation Answer: C) 11 days

Explanation:

Lcm of 25 and 20 is 100. So total work = 100 units
Ranjith can do 4 units per day while anju can do 5 units per day
They together complete 5 days of work i.e 9 x 5 = 45 units
The remaining 55 units of work is done by anju in 55/5 days (or) 11 days

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Filed Under: Time and Work
Exam Prep: AIEEE , Bank Exams , CAT

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Q:

The sum of money that will yield Rs. 60 as simple interest at 6% per annum in 5 years is

A) 200 B) 225
C) 175 D) 300
 
Answer & Explanation Answer: A) 200

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Filed Under: Simple Interest
Exam Prep: Bank Exams

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Q:

A sum of Rs 2489 is divided among A, B and C such that if Rs 12, Rs 12 and Rs 5 be diminish from the shares of A, B and C respectively, then theirshares will be in the ratio of 5 : 3 : 4. What is the new share (in Rs) of C?

A) 750 B) 1060
C) 1475 D) 820
 
Answer & Explanation Answer: D) 820

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Filed Under: Partnership
Exam Prep: Bank Exams

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