Question
Train A running at a speed of 45 km/hr crosses train B
in 30 seconds. Find the speed of train B (in km/hr), if the sum of the length of train A and B is 550 meters and both trains running in the opposite direction.Solution
Let speed of train B be ‘x’ km/hr. According to question, => 30(45 + x) × (5/18) = 550 => 1350 + 30x = 1980 => 30x = 630 => x = 21 km/hr
Vertical movement of water in the soil is known as _________.
Which of the following is correct?
Crops cultivated to catch the forthcoming season when main crop has failed are called ___
Lactose found in milk is a disaccharide composed of:
According to Planning commission, Indian region is divided into how many agro climatic zones?
When did cotton become a well-established crop in the Indus River Valley?
A plant with somatic chromosome number of 2n + 3 (AA BB CCCCC) is known as:
What is the seed rate of hybrid cotton with a spacing of 120 × 60 cm?
The principal pathway of water translocation in angiosperms is
Which of the following is not the steps of teaching process?
Relevant for Exams:
