Question
The reason they have given for __________ the principal
is hardly convincing. In the following sentences, given blanks are to be filled with the appropriate words. Four alternatives are suggested for each question. Choose the correct alternative and mark your answer:Solution
The correct answer is B
If sin (A + B) = cos (A + B), what is the value of tan A?

- The ratio of the lengths of the diagonals of a rhombus is 4:7, and their difference is 18 cm. Calculate the area of the rhombus.
Inside a square land having perimeter equal to 116 metres, leaving aside a circular land of radius 14 metres, the remaining land needs to be levelled at...
A prism and a pyramid have the same base and the same height. Find the ratio of the volumes of the prism and the pyramid.
The length of a rectangle is 7 cm more than the radius of a circle. The perimeter of the rectangle is 60 cm, and the ratio of its length to breadth is 7...
The circumference of a semi-circle is 108 cm. What is the area of the circle with the same radius as the semi-circle? (Take π = 22/7)
If the two adjacent sides of a rectangle are x cm and x – 10 cm and its perimeter is 124 cm then find its area?Â
If the perimeter of a square is 88 cm and the circumference of a circle 88cm, then which figure has larger area and by how much?
The perimeter of a square field is 16 cm more than the perimeter of a rectangle. The length of the rectangle is 72 cm which is 300% of its width. If a s...
Sides of a parallelogram are in the ratio 4:3. Its area is 432 sq. units. Altitude on the greater side is 12 units. Altitude on the smaller side is:Â