132.

The simplified value of

• 2

• 
• 
• 

If x = z = 225  and  y = 226, then the value of .

• 765

• 576

• 674

• 674

If tan A + cot A = 2, then the value of  is

• 1

• 4

• 
• 

ABCD is a cyclic quadrilateral. Diagonals AC and BD meets at P. If  and , then  measures

The area of the triangle formed by the graphs of the equations x = 4, y = 3 and 3x + 4y = 12 is

• 4 sq units

• 12 sq units

• 6 sq units

• 6 sq units

If , then the value of  

• 2

• 0

• -1

• -1

Two pipes A and B can fill a tank with water in 30 min and 45 min, respectively. The water pipe C can empty the tank in 36 min. First A and B are opened. After 12 min, C is opened. Total time (in min) in which the tank will be filled up, is

• 30

• 24

• 36

• 36

Two towers A and B have lengths 45m and 15 m respectively. The angle of elevation from the bottom of the B tower to the top of the A tower is . If the angle of elevation from the bottom of the A tower to the top of the B tower is , then the value of  is

A dealer buys an article listed at ₹ 100 and gets successive discounts of 10% and 20%. He spends 10% of the cost price on transportation. At what price should he sell the article to earn a profit of 15%.

• ₹ 91.08

• ₹ 92.00

• ₹ 90.80

• ₹ 90.80

Two alloys contain tin and iron in the ratio of 1:2 and  2:3. If the two alloys are mixed in the proportion of 3 : 4 respectively (by weight), the ratio of tin and iron in the newly formed alloy is

• 13:22

• 14:25

• 10:21

• 10:21