There is a square park with sides 20 m, and there are 2 diagonal paths that are√2 m wide.Find the area of the park without the paths.  

1.  324 m2  

2.  320 m2

3.  322 m2

4.  326 m2

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4
Correct Answer :

324 m2

 


Explanation :
No Explanation available for this question

What is the minimum length of a string with which one can surround a triangle of area 36√3 cm

1.  8 cm  

2.  36 cm

3.  72 cm

4.  56 cm

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4
Correct Answer :

36 cm


Explanation :
No Explanation available for this question

If shortest side of a right angled triangle was 5 cm longer and the longest side was 5 cm shorter, the triangle would be equilateral.  What is the area of the original right angled triangle

1.  300 cm2

2.  250 cm2

3.  200 cm2

4.  150 cm2

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4
Correct Answer :

150 cm2


Explanation :
No Explanation available for this question

The function f(x) is given by 2x2 + bx + c, b and c having specific numerical values.  On replacing x by a number 2 greater than itself, f(x) increases by 12.  What was x

1.  –1

2.  0

3.  1

4.  Indeterminate

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4
Correct Answer :

Indeterminate


Explanation :
No Explanation available for this question

A semicircular piece of paper (with radius 7 cm) is folded along the diameter to form a cone such that he centre of the semicircle becomes the vertex of the cone.If the base of the cone is covered by a circular paper lid, what is the total surface area of the cone

1.  231 cm2

2.  115.5 cm2

3.  346.5 cm2

4.  None of these

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4
Correct Answer :

115.5 cm2


Explanation :
No Explanation available for this question

An experiment succeeds twice as often as it fails. What is the probability that in the next 5 trials there will be four successes

1.  0

2.  (2/3)4

3.  5×(2/3)4×(1/3)

4.  (2/3)4×(1/3)

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4
Correct Answer :

5×(2/3)4×(1/3)


Explanation :
No Explanation available for this question

If  x  is  an  odd  positive  integer  and  y  is  an  even  positive  integer,  then,  which of  the  following statements are true i.   (x + 1) y is even ii. (x – 1) (y + 1) is odd iii. (x + 1) (y – 1) is even   iv. x (y –1)is even

1.   i and ii only

2.  ii and iv only

3.  i and iii only

4.   iii and iv only

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4
Correct Answer :

i and iii only


Explanation :
No Explanation available for this question

Dinesh speaks truth in 3/4 cases and Abhishek lies in 1/5 cases. What is the percentage of cases in which both Dinesh and Abhishek contradict each other in stating a fact

1.  60%

2.  35%

3.  20%

4.  15%

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4
Correct Answer :

35\%


Explanation :
No Explanation available for this question

Sridhar Krishnan bought 100  shares each of  4 different  companies.   The purchase  prices  of  the shares are  Rs.20, Rs.19.50, Rs.27.50 and Rs.26.00 per share on a certain date.   In due course of time he sold off all the shares of all the 4 companies, but the transactions took place on different dates.   The sale transactions fetched him Rs.12.3, Rs.37.4, Rs.28.6 and Rs.21.7 per share, but it is not known which company's shares were sold when.  What is his net profit or loss

1.  Profit Rs.7

2.  Loss Rs.700

3.  Profit Rs.700

4.  Profit Rs.400

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4
Correct Answer :

Profit Rs.700


Explanation :
No Explanation available for this question

When 3 fair coins are tossed together, what is the probability of getting 2 tails

1.  1/4

2.  2/3

3.  1/3

4.  1/2

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4
Correct Answer :

1/2


Explanation :
No Explanation available for this question
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