exam Maths Puzzle Numerical Ability

This question is really hard and I need a lot of help!

Researchers marked and released 36 pike in a pond. Later they counted 20 pike, 12 of which were marked. Estimate the pike population. See I got the answer 60 is that right or am I wrong?

Read Solution (Total 0)

exam Other Question

1) When is the sum of any three consecutive numbers odd? when is it even?

2)I am a 2-digit prime number. the sum of my digits is 5, and the difference between them is 3. What number am I?

Please help me answer these questions I hopr this is the right place for this question. Thanks for any and all help. I need assistance with this question please.
Find the five-number summary of the following set of n