Exams Questions and Answers

Q:

Find the ratio of the surfaces of the inscribed and circumscribed spheres about a cube.

A) 1:2	B) 1;3
C) 1:4	D) 1:5

Answer & Explanation Answer: A) 1:2

Explanation:

$4 \times 3.14 \times r^{2} : 4 \times 3.14 \times {(\sqrt{r})}^{2} = 1 : 2$

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Filed Under: Volume and Surface Area
Exam Prep: Bank Exams
Job Role: Bank PO

10 8038

Q:

Jeremy is 26 years younger than his father. Eight years hence his father's age will be two years less than twice his age. What is Jeremy's present age?

A) 20 years	B) 18 years
C) 24 years	D) 22 years

Answer & Explanation Answer: A) 20 years

Explanation:

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Filed Under: Problems on Ages
Exam Prep: Bank Exams

28 8038

Q:

Mahesh bought 100 kg of rice for Rs. 1040 and sold it at a loss of as much money as he received for 30 kg rice. At what price did he sell the rice?

A) Rs. 7.46/kg	B) Rs. 8/kg
C) Rs. 8.74/kg	D) Rs. 8.56/kg

Answer & Explanation Answer: B) Rs. 8/kg

Explanation:

Let the selling price of the rice = Rs.P/kg

Now, according to the question,

1040 - 100p = 30p

=> p = 8/kg

Hence, the selling price of the rice = Rs. 8/kg

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Filed Under: Profit and Loss
Exam Prep: AIEEE , Bank Exams , CAT , GATE , GRE
Job Role: Analyst , Bank Clerk , Bank PO

16 8034

Q:

The ratio of the number of marbles that Pulak and Menaja had was 5:9 while the ratio of the number of marbles that Jairam and Menaja had was 7:18. What is the ratio of the number of marbles that Pulak and Jairam had?

A) 10:7	B) 2:3
C) 5:7	D) 7:5

Answer & Explanation Answer: A) 10:7

Explanation:

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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams

11 8029

Q:

What is the unit of the physical quantity, Momentum?

A) newton second	B) joule second
C) erg second	D) pascal second

Answer & Explanation Answer: A) newton second

Explanation:

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Filed Under: Physics
Exam Prep: Bank Exams

0 8029

Q:

The marked price of a Watch is Rs.8400. It is to be sold at Rs.6896 at two successive discounts. If the first discount is 12%, the second discount is ?

A) 7.2 %	B) 9.14 %
C) 7.13 %	D) 6.709 %

Answer & Explanation Answer: D) 6.709 %

Explanation:

(100-x)% of 88% of 8400 = 6896

=> $\frac{100 - x}{100} (\frac{88}{100} x 8400) = 6896$

=> x = 6.709%

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

4 8027

Q:

An object, starting from rest, moves with constant acceleration of 4 m/s2. After 8 s, its speed is

A) 16 m/s	B) 8 m/s
C) 32 m/s	D) 4 m/s

Answer & Explanation Answer: C) 32 m/s

Explanation:

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Filed Under: Physics
Exam Prep: AIEEE , Bank Exams

18 8024

Q:

In which of the following mammals estrous cycle is absent ?

A) Rabbit	B) Horse
C) Cow	D) Monkey

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