If one root of x2 + px + 12 = 0 is 4, while the equation x2 + px + q = 0 has equal roots, then

1. 49/4

2. 4/49

3. 4

4. ¼

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Correct Answer :

49/4

Explanation :
No Explanation available for this question

The value of ma(a)[md(a), mn(md(b), a), mn(ab, md(ac))] where a = -2,b = -3, c = 4 is:

1. 2

2. 6

3. 8

4. -2

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Correct Answer :

Explanation :
No Explanation available for this question

Given that a > b, then the relation ma[md(a),mn(a, b)] = mn[a, md(ma(a, b))] does not hold if

1. a < 0, b < 0

2. a > 0, b > 0

3. a > 0, b < 0, |a| < |b|

4. a > 0, b < 0, |a| > |b|

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Correct Answer :

a < 0, b < 0

Explanation :
No Explanation available for this question

If a + b + c = 0, where a ¹ b ¹ c, then what is the value of

1. zero

2. 1

3. -1

4. abc

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Correct Answer :

Explanation :
No Explanation available for this question

A water tank has three taps A, B, and C. A fills four buckets in 24 mm, B fills 8 buckets in 1 hour and C fills 2 buckets in 20 minutes. If all the taps are opened together a full tank is emptied in 2 hours. If a bucket can hold 5 litres of water, what is the capacity of the tank

1. 120 litres

2. 240 litres

3. 180 litres

4. 60 litres

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Correct Answer :

240 litres

Explanation :
No Explanation available for this question

Shyam went from Delhi to Simla via Chandigarh by car. The distance from Delhi to Chandigarh is 3/4 times the distance from Chandigarh to Simla. The average speed from Delhi to Chandigarh was half as much again as that from Chandigarh to Simla. If the average speed for the entire journey was 49 kmph, what was the average speed from Chandigarh to Simla

1. 39.2 kmph

2. 63 kmph

3. 42 kmph

4. None of these

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Correct Answer :

42 kmph

Explanation :
No Explanation available for this question

The fourth term of an arithmetic progression is 8. What is the sum of the first 7 terms of the arithmetic progression

1. 7

2. 64

3. 56

4. cannot be determined

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Correct Answer :

Explanation :
No Explanation available for this question

It takes a pendulum of a clock 7 seconds to strike 4 o’clock. How much time will it take to strike 11 o’clock

1. 18 seconds

2. 20 seconds

3. 19.25 seconds

4. 23.33 seconds

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Correct Answer :

23.33 seconds

Explanation :
No Explanation available for this question

Along a road lie an odd number of stones placed at intervals of 10 m. These stones have to be assembled around the middle stone. A person can carry only one stone at a time. A man carried out the job starting with the stone in the middle, carrying stones in succession, thereby covering a distance of 4.8 km. Then the number of stones is

1. 35

2. 15

3. 29

4. 31

View Answer

Correct Answer :

Explanation :
No Explanation available for this question

What is the smallest number, which when increased by 5 is completely divisible by 8, 11 and 24

1. 264

2. 259

3. 269

4. None of these

View Answer

Correct Answer :

259

Explanation :
No Explanation available for this question

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