Question
Atul has Rs.250 with him. He invested 30% of the amount
at 4% p.a. for 6 years and rest at 20% p.a. for 5 years. Find the sum of simple interests received by Atul from the two investments.Solution
SI received from 30% of the sum = (0.3 ×  250 ×  4 ×  6)/100 = Rs.18 SI received from 70% of the sum = (0.7 ×  250 ×  20 ×  5)/100 = Rs.175 Therefore, total SI received = Rs.(18 + 175) = Rs.193
Which soil type covers the maximum area in India?
In soil, net Immobilization of Carbon & Phosphorus occurs when ratio is:
 The root nodule of legumes contain a pink pigment which has affinity for oxygen is
……………………………. is the prominent member of 1:1 type group in which one tetrahedral and one octahedral layer is present.
...The silk fibres are held together in cocoon by a substance known as……………………
For the farmers, ………………………………. Soil structure is favourable for plant growth.
...A farmer wants to optimize soil organic matter and minimize nitrogen loss. Which practice would be most effective in achieving this balance?
Which of the following parameter is not included in the Soil health card?
CAN is also known as ___
Reward of land is
