Given series is 3, 6, 12, ... Here, a = 3, r = 2 Sum of n numbers = Sn= 765 As we know that, Sum of n terms of GP = Sn = a(rn – 1)/(r – 1); where r >1 Sn = 765 = 3 × (2n – 1) ⇒ 255 = (2n – 1) ⇒ 2n = 256 ⇒ 2n = 28 ⇒ n = 8
Chromosome number of diploid rice is
Which of the following combination of slope percent and class of land is/are correct?
The recently developed training system in grapes is called as
Large tractors have ……………….. hp power
Tillage is mechanical manipulation of soil. Which type of tillage system left less than 15% of crop residue on soil surface?
One hectare is equivalent to
Why is replication important in experimental design?
In rice, 'Dee-geo-woo-gen' is a source of
Scientific name of Guava is _____
A practice of removing a portion of a plant to enhance its shape, influence its development, flowering and fruitfulness and improve the quality of the f...
