Trains A and B leave station at the same time. Train A travels in South direction and train B travels in West direction. Train A is 20 km/hour slower than train B. After 5 hours, trains are 500 km apart. Find the speed of both trains.
If ^@x \ne y^@ and the sequences ^@x, a _1, a _2, y^@ and ^@x, b _1 , b _2, y^@ each are in ^@A.P.^@, then ^@\left(\dfrac{ a _2 - a _1 } { b _2 - b _1 }\right)^@ is
Find the area of the major sector of a circle with radius ^@5 \space cm^@ when the angle subtended by the minor arc is ^@45^\circ^@.(Use ^@\pi = 3.14^@)
Chen received the shoes ordered through Amazon in a carton having a dimension in such a way that the breadth is ^@ 4 \space cm ^@ less than the height and the height is ^@ 4 \space cm ^@ less than the length. He found the surface area of the carton as ^@3142 \space cm^2.^@ Then what would be the dimension of the carton?
A.
^@ 27 \space cm \times 23 \space cm \times 23 \space cm^@
B.
^@ 28 \space cm \times 19 \space cm \times 23 \space cm^@
C.
^@ 27 \space cm \times 19 \space cm \times 25 \space cm^@
D.
^@ 27 \space cm \times 19 \space cm \times 23 \space cm^@