A right circular cone of height h’ is cut by a plane parallel to the base and at a distance h/3 from the vertex, then the volumes of the resulting cone and frustum are in the ratio:

1.   1 : 3

2.  8 : 19

3.  1 : 4

4.  1 : 7

View Answer  
4
Correct Answer :

8 : 19


Explanation :
No Explanation available for this question

If the harmonic mean between two positive numbers is to their geometric mean as 12 : 13, then the numbers could be in the ratio

1.   12: 13

2.  1/12: 1/13

3.  4:9

4.  2:3

View Answer  
4
Correct Answer :

4:9


Explanation :
No Explanation available for this question

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

View Answer  
4
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

View Answer  
4
Correct Answer :

6


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|

View Answer  
4
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

View Answer  
4
Correct Answer :

1


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

View Answer  
4
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

View Answer  
4
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

View Answer  
4
Correct Answer :

56


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

View Answer  
4
Correct Answer :

23.33 seconds


Explanation :
No Explanation available for this question
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