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Quantitative Aptitude - Arithmetic Ability

Quantitative Aptitude - Arithmetic Ability Questions

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If the cost price of 48 articles is equal to the selling price of 32 articles, then what is the profit percentage?

A) 20	B) 25
C) 50	D) 75

A) 20

B) 25

C) 50

D) 75

Answer & Explanation Answer: C) 50

Explanation:

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Filed Under: Profit and Loss
Exam Prep: Bank Exams

3 2468

Dhruv's birthday is on Sunday 28th May. On what day of the week will be Sahil's Birthday in the same year if Sahil was born on 19th October?

A) Saturday	B) Wednesday
C) Thursday	D) Sunday

A) Saturday

B) Wednesday

C) Thursday

D) Sunday

Answer & Explanation Answer: C) Thursday

Explanation:

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Filed Under: Calendar
Exam Prep: Bank Exams

11 2468

If $x + \frac{1}{x} = 5, then the value of \frac{6 x}{x^{2} + x + 1} is,$

A) 1	B) 2
C) 3	D) 4

A) 1

B) 2

C) 3

D) 4

Answer & Explanation Answer: A) 1

Explanation:

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Filed Under: Quantitative Aptitude - Arithmetic Ability
Exam Prep: AIEEE , Bank Exams , GATE

8 2468

A student multiplied a number by 6/13 instead of 13/6. What is the percentage error in the calculation?

A) 369.44 percent	B) 39.35 percent
C) 184.72 percent	D) 78.7 percent

A) 369.44 percent

B) 39.35 percent

C) 184.72 percent

D) 78.7 percent

Answer & Explanation Answer: D) 78.7 percent

Explanation:

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Filed Under: Percentage
Exam Prep: Bank Exams

3 2466

The radius of base of solid cone is 9 cm and its height is 21 cm. It cut into 3 parts by two cuts, which are parallel to its base. The cuts are at height of 7 cm and 14 cm from the base respectively. What is the ratio of curved surface areas of top, middle and bottom parts respectively?

A) 1 : 4 : 8	B) 1 : 3 : 5
C) 1 : 3 : 9	D) 1 : 6 : 12

A) 1 : 4 : 8

B) 1 : 3 : 5

C) 1 : 3 : 9

D) 1 : 6 : 12

Answer & Explanation Answer: B) 1 : 3 : 5

Explanation:

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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams

0 2466

2 is what percent of 50?

A) 3	B) 4
C) 2.5	D) 5

A) 3

B) 4

C) 2.5

D) 5

Answer & Explanation Answer: B) 4

Explanation:

Let p% of 50 is 2

=> p x 50/100 = 2

=> p = 4%

Hence, 2 is 4 percent of 50.

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Filed Under: Percentage
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Analyst , Bank Clerk , Bank PO

1 2465

From a pack of 52 cards, 3 cards are drawn together atrandom, What is the probability of both the cards are king?

A) 1/5225	B) 1/5525
C) 5525	D) 1/525

A) 1/5225

B) 1/5525

C) 5525

D) 1/525

Answer & Explanation Answer: B) 1/5525

Explanation:

n(S) = 52C3 = 132600/6 = 22100

n(E) = 4C3 = 24/6 = 4

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Filed Under: Permutations and Combinations

9 2464

Raheem sells a machine for Rs 48 lakhs at a loss. Had he sold it for Rs 60 lakh, his gain would have been 5 times the former loss. Find the cost price of the machine.