(202 - 1)]

1. 9/19

2. 10/19

3. 10/21

4. 11/21

View Answer

Correct Answer :

10/21

Explanation :
No Explanation available for this question

Consider the triangle ABC shown in the following figure where BC = 12 cm, DB = 9 cm, CD = 6 cm and BCD = BAC What is the ratio of the perimeter of the triangle ADC to that of the triangle BDC

1. 7/9

2. 8/9

3. 6/9

4. 5/9

View Answer

Correct Answer :

7/9

Explanation :
No Explanation available for this question

On a straight road XY, 100 metres long, five heavy stones are placed two metres apart beginning at the end X. A worker, starting at X, has to transport all the stones to Y, by carrying only one stone at a time. The minimum distance he has to travel (in metres) is :

1. 472

2. 422

3. 744

4. 860

View Answer

Correct Answer :

860

Explanation :
No Explanation available for this question

Consider a sequence of seven consecutive integers. The average of the first five integers is n. The average of all the seven integers is:

1. n

2. n + 1

3. k*n, where k is a function of n

4. n + (2/7)

View Answer

Correct Answer :

n + 1

Explanation :
No Explanation available for this question

P, Q, S and R are points on the circumference of a circle of radius r, such the PQR is an equilateral triangle and PS is a diameter of the circle. What is the perimeter of the quadrilateral PQSR

1. 2r(1+√3)

2. 2r(2+√3)

3. r(1+√5)

4. 2r+√3

View Answer

Correct Answer :

2r(1+√3)

Explanation :
No Explanation available for this question

Let S be a set of positive integers such that every element n of S satisfies the conditions 1. 1000 ≤ n ≤ 1200 2. every digit in n is odd Then how many elements of S are divisible by 3

1. 9

2. 10

3. 11

4. 12

View Answer

Correct Answer :

Explanation :
No Explanation available for this question

In the figure given below, ABCD is a rectangle. The area of the isosceles right triangle ABE = 7 cm2, EC = 3(BE). The area of ABCD (in cm2) is :

1. 21

2. 28

3. 42

4. 56

View Answer

Correct Answer :

Explanation :
No Explanation available for this question

The set of all positive integers is the union of two disjoint subsets: {f(1), f(2), ......... f(n)...........}and {g (1), g (2),............g (n), ...........},where f(1) < f (2) < ....... < f (n)......, and g (1) < g (2) < ..... < g (n) . .... . , and g (n)=f (n)+1 for all n ≥ 1. What is the value of g (1)

1. Zero

2. Two

3. One

4. Cannot be determined

View Answer

Correct Answer :

Two

Explanation :
No Explanation available for this question

Let x=√4 + √4 - √4 + √4 - …. to infinity. Then x equals

1. 3

2. (√13-1)/2

3. (√13+1)/2

4. √13

View Answer

Correct Answer :

(√13+1)/2

Explanation :
No Explanation available for this question

**Let N = 142*(1423/1425). What is the remainder when N is divided by 12**

1. 0

2. 9

3. 3

4. 6

View Answer

Correct Answer :

Explanation :
No Explanation available for this question

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