Kiarn is younger than Bineesh by 7 years and their ages are in the respective ratio of 7 : 9, how old is Kiran

1. 25

2. 24.5

3. 24

4. 23.5

View Answer

Correct Answer :

24.5

Explanation :
No Explanation available for this question

Ramu and Somu are competing in a 100 m race. Initially, Ramu runs at twice Somu's speed for the first fifty metres. After the 50 m mark, Ramu runs at 1/4th his initial speed while Somu continues to run at his original speed. If Somu catches up with Ramu at a distance of 'x' metres from the finish line, then find x.

1. 37.5

2. 25

3. 75

4. 42.5

5. Somu will never catch up with Ramu

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Correct Answer :

Explanation :
No Explanation available for this question

When the curves y = 10x and xy = 1 are drawn in the X-Y plane, how many times do they intersect for values of y32

1. Never

2. Once

3. Twice

4. Thrice

5. More than thrice

View Answer

Correct Answer :

Once

Explanation :
No Explanation available for this question

Six years ago, the ratio of the ages of Vimal and Saroj was 6 : 5. Four years hence, the ratio of their ages will be 11 : 10. What is Saroj's age at present

1. 18.

2. 17

3. 16

4. 15

View Answer

Correct Answer :

Explanation :
No Explanation available for this question

Anoop found the product, P, of two two-digit natural numbers, M and N. He then reversed the digits of each of M and N and found the product of the resultant numbers. Interestingly, he found both products to be the same. If the product of the tens digit of M and the tens digit of N is prime, find the sum of all the possible values of P that Anoop could have obtained

1. 2604

2. 2712

3. 2627

4. 4684

5. 4664

View Answer

Correct Answer :

4684

Explanation :
No Explanation available for this question

Three circles of equal radii have been drawn inside an equilateral triangle, of side a, such that each circle touches the other two circles as well as two sides of the triangle. Then, the radius of each circle is

1. a/[2(√3+1)]

2. a/[2(√3-1)]

3. a/(√3+1)

4. a/(√3-1)

5. a/[4(√3-1)]

View Answer

Correct Answer :

a/[2(√3+1)]

Explanation :
No Explanation available for this question

At present, the ratio between the ages of Shekhar and Shobha is 4 : 3. After 6 years, Shekhar's age will be 26 years. Find out the age of Shobha at present

1. 15 years

2. 14 years

3. 13 years

4. 12 years

View Answer

Correct Answer :

15 years

Explanation :
No Explanation available for this question

Thirty-six equally spaced points - P1 through P36 - are plotted on a circle, and some of these points are joined successively to form a regular polygon. How many distinct such regular polygons are possible

1. 7

2. 23

3. 37

4. 27

5. None of these

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Correct Answer :

Explanation :
No Explanation available for this question

If l+m+n=0, which of the following conditions must l, m and n satisfy so that the system of simultaneous linear equations x+3y-4z=l, 2x-y-z=m, x+y-2z=n has at least one

1. 3l-2m+7n=0

2. 3l–2m-7n=0

3. 3l+2m-7n=0

4. 2l+3m+7n=0

5. 2l+3m–7n=0

View Answer

Correct Answer :

3l+2m-7n=0

Explanation :
No Explanation available for this question

My brother is 3 years elder to me. My father was 28 years of age when my sister was born while my mother was 26 years of age when I was born. If my sister was 4 years of age when my brother was born, then what was the age my father when my brother was born

1. 35 years

2. 34 years

3. 33 years

4. 32 years

View Answer

Correct Answer :

32 years

Explanation :
No Explanation available for this question

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