Vivek obtained

1.  50 marks

2.  60 marks

3.   80 marks

4.  55 marks

View Answer  
4
Correct Answer :

80 marks


Explanation :
No Explanation available for this question

The combined score of Raj, Krish and Jay is

1.  150 marks

2.  160 marks

3.  190 marks

4.  100 marks

View Answer  
4
Correct Answer :

150 marks


Explanation :
No Explanation available for this question

The mean score of all the five students is

1.  50

2.  44

3.  54

4.  52

View Answer  
4
Correct Answer :

54


Explanation :
No Explanation available for this question

The median scorer was

1.  Krish

2.  Jay

3.   Raj

4.  Vivek

View Answer  
4
Correct Answer :

Krish


Explanation :
No Explanation available for this question

Ujakar and Keshav attempted to solve a quadratic equation. Ujakar made a mistake in writing down the constant term. He ended up with the roots (4, 3). Keshav made a mistake in writing down the coefficient of x. He got the roots as (3, 2). What will be the exact roots of the original quadratic equation

1.  (6, 1)

2.  (–3, –4)

3.  (4, 3)

4.  (–4, –3)

View Answer  
4
Correct Answer :

(6, 1)


Explanation :
No Explanation available for this question

A ladder leans against a vertical wall. The top of the ladder is 8 m above the ground. When the bottom of the ladder is moved 2 m farther away from the wall, the top of the ladder rests against the foot of the wall. What is the length of the ladder

1.  10 m

2.  15m

3.  20m

4.  17m

View Answer  
4
Correct Answer :

15m


Explanation :
No Explanation available for this question

A student took five papers in an examination, where the full marks were the same for each paper. His marks in these papers were in the proportion of 6 : 7 : 8 : 9 : 10. In all papers together, the candidate obtained 60% of the total marks. Then the number of papers in which he got more than 50% marks is

1.  2

2.  3

3.  4

4.  5

View Answer  
4
Correct Answer :

4


Explanation :
No Explanation available for this question

A certain city has a circular wall around it, and the wall has four gates pointing north, south, east and west. A house stands outside the city, three kms north of the north gate, and it can just be seen from a point nine kms east of the South Gate. What is the diameter of the wall that surrounds the city

1.  6 km

2.  9 km

3.  12 km

4.  None of these

View Answer  
4
Correct Answer :

9 km


Explanation :
No Explanation available for this question

Let x, y and z be distinct integers, x and y are odd and positive, and z is even and positive. Which one of the following statements can not be true

1.  (x – z)2y is even

2.   (x – y)y2 is odd

3.   (x – z)y is odd

4.  (x – y)2z is even

View Answer  
4
Correct Answer :

(x – z)2y is even


Explanation :
No Explanation available for this question

A square, whose side is 2 meters, has its corners cut away so as to form an octagon with all sides equal. Then the length of each side of the octagon, in meters is

1.  (√2) /(√2+1)

2.   (2)/ (√2+1)

3.  (2)/(√2-1)

4.  (√2)/ (√2-1)

View Answer  
4
Correct Answer :

(2)/ (√2+1)


Explanation :
No Explanation available for this question
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