Balancing cards on one another where some are placed horizontally and others diagonally (slantfashion) is a popular trick of all magicians. 30 playing cards of length 12 cm and breadth 6 cm areused to build a pyramidal structure with 4 horizontal cards at the base. 8 cards are then putdiagonally on these cards to give four peaks. 3 cards are then put on the 4 peaks. The processcontinues till the top is a peak made by 2 cards. Find the area covered by the front side of thepyramid.

1.  288√ 3 cm2

2.  180√ 3cm2

3.  360√ 3cm2

4.  576√ 3cm2

4

576√ 3cm2

Explanation :
No Explanation available for this question

A man buys shares at a discount of Rs.x. Later he sells all but 10 of the shares he purchased at apremium of Rs.x. If his investment was Rs.4500 and proceeds from the sale were Rs.6250, howmany shares did he buy originally [Assume face value of shares as Rs.100.]

1.  50

2.  40

3.  60

4.  90

4

60

Explanation :
No Explanation available for this question

ABCD is a rectangle with AB = 6 cm and AD = 8 cm. QR is an arc which cuts the extension of ADat Q and AB at R. What is the length of the arc QR if C is a point on it

1.  10 π

2.  5 π

3.  20 π

4.  24π

4

5 π

Explanation :
No Explanation available for this question

The diameter of the smaller circle is equal to the side of the square and the diagonal of the square isequal to the diameter of the bigger circle. If the circles are concentric, then their areas are in theratio...

1.  1 : 2

2.  2 : 3

3.  1 : √2

4.  1 : 4

4

1 : 2

Explanation :
No Explanation available for this question

An artist has a canvas of length 10 inches and breadth 7 inches. He divides the canvas into 70squares of area 1 inch by drawing lines parallel to the edges. He paints a corner square with greencolour. He then paints the two adjacent squares that share the side with the existing green squarewith blue colour. He continues to paint the entire canvas in such a way that no green square isadjacent (i.e. share the same side) to another green and no blue square adjacent to another blue.What is the ratio of number of blue squares on the canvas to the number of green squares

1.  10 : 7

2.  5 : 7

3.  1 : 1

4.  7 : 10

4

1 : 1

Explanation :
No Explanation available for this question

If AB    BC and BD  AC, which of the following is true

1.  x = A

2.  x = z

3.  y = z

4.  None of these

4

x = z

Explanation :
No Explanation available for this question

If x is a number satisfying 2 < x < 3 and y is such that 7 < y < 8, which of the following expressionswill have the largest value

1.  x2y

2.  xy2

3.  5xy

4.

4

xy2

Explanation :
No Explanation available for this question

There are 4 quarts in a gallon. A gallon of petrol sells for Rs.12 and a quart of the same petrol sellsfor Rs.5. The owner of a rental agency has 6 machines and each machine needs 5 quarts of petrol.What is the minimum amount of money he must spend to purchase enough petrol

1.  Rs.84

2.  Rs.94

3.  Rs.96

4.  Rs.102

4

Rs.94

Explanation :
No Explanation available for this question

If the shaded area is one half the area of the triangle ABC below and triangle ABC is a right angledat B, then the length of AD is equal to _____ .

1.  1⁄2w

2.  1⁄2(w+x)

3.

4.

4

Explanation :
No Explanation available for this question

If in the figure, BC is parallel to AD and CE is perpendicular to AD, then what is the area ofABCD

1.  0.5eb + 0.5ed

2.  bd + ac

3.  ed

4.  e(b + d)

4