Vijey walks 10 meters westward, then turns left and walks 10 meters. He then again turns left and walks 10 meters. He takes a 45 degree turn rightwards and walks straight. In which direction is he walking now?
If the amount received at the end of 2nd and 3rd year as Compound Interest on a certain Principal is Rs 2100, and Rs 2268 respectively, what is the rate (in %) of interest?
D and E are points on side AB and AC of ΔABC. DE is parallel to BC. If AD:DB = 2:5 and area of ΔABC is 98 cm sq, what is the area (in sq cm) of quadrilateral BDEC?