Exams Questions and Answers

Q:

A letter is takenout at random from 'ASSISTANT' and another is taken out from 'STATISTICS'. The probability that they are the same letter is :

A) 35/96	B) 19/90
C) 19/96	D) None of these

Answer & Explanation Answer: B) 19/90

Explanation:

$A S S I S T A N T \to A A I N S S S T T$

$S T A T I S T I C S \to A C I I S S S T T T$

Here N and C are not common and same letters can be A, I, S, T. Therefore

Probability of choosing A = $\frac{2_{C_{1}}}{9_{C_{1}}} \times \frac{1_{C_{1}}}{10_{C_{1}}}$ = 1/45

Probability of choosing I = $\frac{1}{9_{C_{1}}} \times \frac{2_{C_{1}}}{10_{C_{1}}}$ = 1/45

Probability of choosing S = $\frac{3_{C_{1}}}{9_{C_{1}}} \times \frac{3_{C_{1}}}{10_{C_{1}}}$ = 1/10

Probability of choosing T = $\frac{2_{C_{1}}}{9_{C_{1}}} \times \frac{3_{C_{1}}}{10_{C_{1}}}$ = 1/15

Hence, Required probability = $\frac{1}{45} + \frac{1}{45} + \frac{1}{10} + \frac{1}{15} = \frac{19}{90}$

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Filed Under: Probability
Exam Prep: AIEEE , Bank Exams , CAT , GATE
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97 22408

Q:

Find the height of the table?

how_tall_is_the_table1542200476.jpg image

A) 40 cm	B) 150 cm
C) 120 cm	D) 45 cm

Answer & Explanation Answer: B) 150 cm

Explanation:

Let the heights of Cat, Table and Turtle be C, T & R respectively.

From the above given figure,

C + T - R = 170 ......(a)

R + T - C = 130 ......(b)

Adding above eqns (a) & (b), we get

2T = 300

T = 150 cm

Hence, the height of the table is 150 cm.

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Filed Under: Math Puzzles
Exam Prep: CAT , Bank Exams , AIEEE
Job Role: Bank PO , Bank Clerk , Analyst

66 22403

Q:

Refer the below table and answer the following question.

If 400 calories are burned by jogging 5 km, then how many calories were burnt in the given week?

A) 1890 calories	B) 1840 calories
C) 1790 calories	D) 1740 calories

Answer & Explanation Answer: B) 1840 calories

Explanation:

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Filed Under: Table Charts
Exam Prep: Bank Exams

1 22394

Q:

The two major types of computer chips are

A) Microprocessor	B) Primary memory
C) Both A & B	D) External memory

Answer & Explanation Answer: C) Both A & B

Explanation:

The two major types of computer chips are Microprocessor and Primary memory chips.

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

31 22390

Q:

Arrange the following words as per order in the dictionary

1. Dyke 2. Dwindle 3. Dwell 4. Dye

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

Answer & Explanation Answer: A) 3,2,4,1

Explanation:

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Filed Under: Alphabet Test
Exam Prep: Bank Exams

0 22385

Q:

Which of the following statement(s)is/are TRUE?

I. 2√3 > 3√2

II. 4√2 > 2√8

A) Only I	B) Only II
C) Neither I nor II	D) Both I and II

Answer & Explanation Answer: C) Neither I nor II

Explanation:

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Filed Under: Statement and Conclusions
Exam Prep: Bank Exams , CAT

0 22373

Q:

In a class of 78 students 41 are taking French, 22 are taking German. Of the students taking French or German, 9 are taking both courses. How many students are not enrolled in either course?

A) 6	B) 12
C) 24	D) 18

Answer & Explanation Answer: C) 24

Explanation:

You could solve this by drawing a Venn diagram. A simpler way is to realize that you can subtract the number of students taking both languages from the numbers taking French to find the number taking only French. Likewise find those taking only German. Then we have:Total = only French + only German + both + neither

78 = (41-9) + (22-9) + 9 + neither.

Not enrolled students = 24

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Filed Under: Average
Exam Prep: GRE

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Q:

Which of the statements given below are correct?

A) In 2017, Wes Morgan captained the Premier League team Leicester City.
B) In 2017, Romelu Lukaku played for the Premier League team Manchester United.
C) France hosted the Tennis 2017 Davis Cup Final.

A) Only C	B) A and C
C) A, B and C	D) None

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