Question
A thief is spotted by a policeman from 800m. When the
policeman starts chasing, the thief also starts running. If the speed of the thief is 32km/h and that of the policeman is 40 km/h, then how far would the thief have run before he is overtaken?Solution
Let, the distance covered by the thief be x km. ATQ- x/32 = (x + 0.8)/40 x/32-x/40 = 8/400 (40x-32x)/32×40 = 1/50 8x/1280 = 1/50 x =160/50 x = 3.2km Distance covered by thief = 3.2 km = 3.2 x 1000 m = 3200 m
Which of the following group of soil is the largest and most important group of India?
During a prolonged dry spell, a farmer notices soil crusting in the field. What could be a possible consequence of soil crusting on the crops?
Which of the following nutrients is categorised under macro nutrients under the mineral and nutrition classification?
……………………………is a key factor for successful crop production and it is a measure of capacity of soil to supply plant nutrients.
...What is the term for the arrangement of soil particles into clumps or aggregates?
Under Soil Health Card Scheme, what is the cycle of testing of soil for irrigated area and area from which single sample is to be drawn?
Which method measures soil moisture content by drying a sample in an oven and determining the percentage of moisture loss?
The study of soil from the stand point of higher plants is known as……………………….
Nutrient that imparts winter hardiness to plant is____
In terms of the order from youngest to the oldest soil, which one of the following is the correct chronological sequence?
