Question
If the third proportion of 14 and 28 is “0.5k”, then
find the value of (k − 10) : (k + 8).Solution
Third proportion of two numbers ‘a’ and ‘b’ is (b²/a).
So, 0.5k = (28²/14) = 56
Or, 'k' = 112
Required value = (112 - 10) : (112 + 8) = 102 : 120 = 17 : 20
Soils most suitable for agriculture are those whose PH value is between .......................?
Vertical movement of water in the soil is known as _________.
How many kilograms does one bale of cotton equal?
Root secrete weak organic acids which attack the rocks and start to dissolve away the softer parts are
Vascular bundle in plants in composed of
Which of the following crop is grown in India by means of dry farming?
Which of the following statements is NOT true with regard to system of rice intensification (SRI)?
i. It follows the principle of careful plantin...
What is one of the most significant adaptations that contributed to the evolutionary success of insects as a group?
Heavy infestation of which of the following causes poor ploughing performance?
Urea fertilizer is the main source of nitrogen,applied in oir fields ,The NPK ratio of urea is:
Relevant for Exams:
