Question
Which among the following fishes is not a surface water
(pelagic) fish?Solution
Pelagic fish range in size from small coastal forage fish, such as herrings and sardines, to large apex predator oceanic fishes, such as bluefin tuna and oceanic sharks. Benthic fish which can bury themselves include dragonets, flatfish and stingrays. Flatfish are an order of ray-finned benthic fishes which lie flat on the ocean floor.
If (r + s + t) = 12 and (rs + st + tr) = 60, then find the value of (r² + s² + t²).
In a college, the proportion of boys to girls is 7:9, and the proportion of graduate students to postgraduate students is 4:5. Determine the total numbe...
- If (x + y + z) = 14 and (xy + yz + zx) = 50, then find the value of (x² + y² + z²).

If √e + (1/√e) = 10, then find the value of e + (1/e).
For a =-4 and b = 5, value of a² – b² is:
If (a3+1)/(a+1) = (a3-1)/(a-1) and a ≠1, -1. Find the value of 'a'