Let A's present age be x. A's age 7 years ago = (x - 7) A's age after 15 years = (x + 15) According to question, =>(x + 15) = 5 (x – 7) => x + 15 = 5x – 35 => 4x = 50 => x = 12.5 years
The genetic constitution of a character present in chromosome/nucleus is known as
Which one of the following is the genera of Rapeseed-mustard?
Jute fibre is obtained from
There are no malphighian tubes present in:
Simplest measure of dispersion isÂ
A simple one seeded fruit with pericarp fused with the seed coat is known as :
…………….. refers to removal of field heat (quick cooling) after harvest; if not, its deterioration is faster at higher temperature of 1 hour at ...
Organs have associated to form functional systems, each system concerned with a specific physiological function. Which of the following organism shows t...
Soil water potential at permanent wilting point is
A statistical test to determine whether two population means are different when the variances are known and the sample size is large is known as ……â...