# Given 1 + 2 + 3 + 4 + …. + 10 = 55, then the sum 6 + 12 + 18 + 24 + … + 60 is equal to

1.  300

2.  655

3.  330

4.  455

4

330

Explanation :
No Explanation available for this question

# If the perimeter of a semicircular field is 144m, then the diameter of the field is (taken = 22/7)

1.  55m

2.  30m

3.  28m

4.  56m

4

56m

Explanation :
No Explanation available for this question

# 3 years ago, the average age of a family of 5 members was 17 years. A baby having been born, the average age of the family is the same today. The present age of the baby is

1.  3 years

2.  2 years

3.  years

4.  1 year

4

2 years

Explanation :
No Explanation available for this question

# A man purchases some mangoes at the rate of 3 for Rs. 4 and the same quantity at 5 for Rs. 6. If he sells all the mangoes at the rate of 3 for Rs. 5, find his approximate gain or loss percent.

1.  35% loss

2.  32% loss

3.  32% profit

4.   35% gain

4

32\% profit

Explanation :
No Explanation available for this question

# The perimeter (in metres) of a, semicircle in numerically equal to its area (in square metres). The length of its diameter is (take = 22/7)

1.  3 (3/11) metres

2.  5 (6/11) metres

3.  6 (6/11) metres

4.  6 (2/11) metres

4

3 (3/11) metres

Explanation :
No Explanation available for this question

# The value of is

1.

2.

3.  11

4.

4

Explanation :
No Explanation available for this question

# If S1 and S2 be the surface area of a sphere and the curved surface area of the circumscribed cylinder respectively, then S1 is equal to

1.  (3/4) S2

2.  (1/2) S2

3.  (2/3) S2

4.  S2

4

(1/2) S2

Explanation :
No Explanation available for this question

# The base of a conical tent is 19.2 metres in diameter and its height is 2.8 metres. The area (in square metres) of the canvas required to put up such a tent is nearly (use = 22/7)

1.  3017.10

2.  3170

3.  301.71

4.  30.17

4

301.71

Explanation :
No Explanation available for this question

# A solid metallic sphere of radius 3 decimeters is melted to form a circular shed of 1 mill metre thickness. The diameter of the sheet so formed is

1.  26 metres

2.  24 metres

3.  12 metres

4.  6 metres

4

12 metres

Explanation :
No Explanation available for this question

1.  12

2.  3

3.  -11

4.  1

4