Question
Who introduced the 'Chehra' and 'Dagh' systems in
medieval India?Solution
Alauddin Khalji introduced the 'Chehra' system (identity cards for soldiers) and 'Dagh' system (branding of horses) to ensure military efficiency and prevent corruption.
Two circles touch each other externally at P. AB is a direct common tangent to the two circles, A and B are points of contact, and ∠PAB = 40° . The...
The ratio of radius of a circle and side of a square is in the ratio 7:8 respectively. The perimeter of the square is 20 meters more than the perimeter ...
One side of a parallelogram is 25 cm and its distance from the opposite side is 9 cm. The area of the parallelogram is:
The perimeter of a rectangular field is 60 metres and its area is 137.5 m2 . What is the length of the diagonal of this field?
A borewell of 28m base radius is digged upto a depth of 21m and 14m wide platform was made around the well. Find the height of platform?
The length, breadth and height of a storeroom are 15m, 8m and 9m respectively. If each box occupies 40 m3 of space, then how many boxes can b...
If the area of a square field is 729 m2, then find the diagonal of the square field.
O is the Centre of the circle passing through the points A, B and C such that ∠BAO=30 ° , ∠BCO=40 ° and ∠AOC=x ° , what is the value of x?
...The circular field has a perimeter (circumference) of 264 meters. Calculate the area of the field. {Take π = (22/7)}
A giant circular wheel has a diameter of 14 metres. In how many revolutions will the wheel cover a total of 4.4 km?
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