140 + 160 = 300 300 + 80 = 380 380 + 40 = 420 420 + 20 = 440 440 + 10 = 450
The base of the triangular area is two times its height. If the cost of farming area is Rs. 2000 and Rs. 80 per hectare. Find its base (1 hectare = ...
The area of a square is 225 cm2 which is 125 cm2 less than that of a rectangle. Find the perimeter of the rectangle if the length ...
Find the number of common tangents, if r1 + r2 = C1C2 .(With usual notations, r1 & r2 and C1 & C2 are the radii and centres of the two circles.)
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...
If the radius of a right circular cylinder is doubled (an increase of 100%), and its height is reduced by half (a decrease of 50%), what will be the ra...
In an examination the average marks of Rohit is 55. If he got 15 more marks in science and 27 more marks in maths then his average would have been 61. F...
The circular field has a perimeter (circumference) of 264 meters. Calculate the area of the field. {Take π = (22/7)}
Rajnish bought a rectangular canvas of size 44cm x 23cm and rolled it in such a way that it formed a cylindar with height as 23cm. What is the...
A race track is in the shape of a rectangle with length of 75 metres and area of 3000 m2. A car takes 20 seconds to make one lap around the p...
If b sin θ = a, then sec θ + tan θ = ?