As HCF is 9 so let numbers be 9x & 9y. It means x & y must be co-prime. Now 9x × 9y = 972, So xy = 12. Now pairs of (x, y) can be (1,12) , (2,6) & (3,4). Here only (1,12) & (3,4) are co-prime so number of pairs are 2.
What is the deficiency symptom for Magnesium in plants?
A dairy cow held for breeding and production purposes is known as:
Which soil pH range is considered optimal for the availability of phosphorus for plant growth?
Match the following:
1.        Mitochondrion:                              A- Suicidal bag
2. Â...
Known as a 'wonder crop' for its high nutritional value, particularly its protein content, which legume is widely regarded as an affordable source of pr...
The bollworm which covers the opening once it enters into the boll is?
The alcohol content of wine during fermentation and the ripeness of fruits before harvesting is assessed by using a:
Who is often referred to as the father of microbiology and observed bacteria and protozoa using microscopes?
Which of these resistances is contributing maximum to the gas exchange in leaves?
Leghaemoglobin is a pigment present in:
