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Q:

Crack the code & Unlock the Key ?

A) 062	B) 602
C) 042	D) 204

Answer & Explanation Answer: C) 042

Explanation:

From all the hints given,

only 042 satisfies and it unlocks the key.

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Filed Under: Number Puzzles
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Q:

What Is Requirement Traceability Matrix ?

Answer

Requirements tracing, a process of documenting the links between the requirements and the work products developed to implement and verify those requirements. Requirement Traceability Matrix (RTM) is a document which records the mapping between the high-level requirements and the test cases in the form of a table. The RTM captures all requirements and their traceability in a single document delivered at the conclusion of the life cycle.

That’s how it ensures that the Test Plan covers all the requirements and links to their latest version.

Workspace

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Subject: QA Testing

Q:

Two persons start running simultaneously around a circular track of length 600 m from the same point at speeds of 25 kmph and 35 kmph. When will they meet for the first time any where on the track ?

A) 54 sec	B) 36 sec
C) 72 sec	D) 11 sec

Answer & Explanation Answer: B) 36 sec

Explanation:

Time taken to meet the first time = length of track/relative speed

Given the length of the track is 600 m

The relative speed = 25 + 35 = 60 kmph = 60 x 5/18 m

Therefore Time = $\frac{600}{(25 + 35) \frac{5}{18}}$ = 600/60 x (18/5) = 36 sec.

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Filed Under: Time and Distance
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Q:

Simplify the following equation

$\frac{[{(K - L)}^{2} - {(K + L)}^{2}]}{4 K}$ = a/b

A) K = b /a	B) bL = -a
C) KL = 1	D) aK = -b

Answer & Explanation Answer: B) bL = -a

Explanation:

$\frac{[(K - L)^{2} - {(K + L)}^{2}]}{4 K} = \frac{a}{b} \frac{(K^{2} + L^{2} - 2 K L) - (K^{2} + L^{2} + 2 K L)}{4 K} = \frac{a}{b}$

=> - 4KL/4K = a/b

=> L = - a/b

=> bL = -a

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Filed Under: Simplification
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Q:

Find out which part of a sentence has an error and mark the answer corresponding to the appropriate letter (A, B, C). If a sentence is free from errors, mark (D) as the answer.

$\frac{H e f l e w}{(A)} / \frac{o v e r e x t e n s i v e l y}{(B)} / \frac{t h e p a c i f i c l a s t w i n t e r}{(C)} / \frac{N o e r r o r}{(D)}$

A) A	B) B
C) C	D) D

Answer & Explanation Answer: B) B

Explanation:

'Extensively' is describing the verb 'flew' and should be placed after the verb and thus the correct phrase should be 'extensively over'. The error is in the second part of the sentence.

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Filed Under: Alphabet Test
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Q:

In how many years, Rs. 200 will produce the same interest @ 5 % as Rs. 900 produce in 2 years @ 3 ½ % ?

A) 5.2 yrs	B) 7 yrs
C) 7.9 yrs	D) 6.3 yrs

Answer & Explanation Answer: D) 6.3 yrs

Explanation:

P = Rs. 900, R = 3 ½ % = 7/2 %, T = 2 years.

Therefore,

S.I. = PTR/100

S.I. = Rs. (900 x 7/2 x 2/100) = Rs. 63

Now, P = Rs. 200, S.I. = Rs. 63, R = 5 %

Time = ((100 x 63) / (200 x 5) ) years = 6.3 years.

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Filed Under: Simple Interest
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Q:

If 25% of a number is subtracted from a second number, the second number reduces to its four-sixth. What is the ratio of the first number to the second number ?

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

Answer & Explanation Answer: A) 4:3

Explanation:

Let the numbers be p & q

q-p/4 = 4q/6

=> q-4q/6 = p/4

=> 2q/6 = p/4

=> p/q = 4/3

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Filed Under: Percentage
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Q:

A number, when 35 is subtracted from it, reduces to its 80 percent. What is four - fifth of that number ?

A) 175	B) 140
C) 135	D) 95

Answer & Explanation Answer: B) 140

Explanation:

x - 35 = 80x/100

=> x = 175

=> 4x/5 = 4x175/5 = 140.

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Filed Under: Percentage
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