From the given pattern, it can be observed that,
(i) The third number is the product of the first two numbers.
(ii) The fourth number can be obtained by adding \(1\) to the third number.
Thus, the missing numbers in the pattern will be as follows.
\(4^2+5^2+\underline{20}^2=21^2\)
\(5^2+\underline6^2+30^2=31^2\)
\(6^2+7^2+\underline{42}^2=\underline{43}^2\)
Fill in the blanks in the sentences below (the verbs given in brackets will give you a clue).
(i) The earth trembled, but not many people felt the ____. (tremble)
(ii) When the zoo was flooded, there was a lot of _____ and many animals escaped into the countryside. (confuse)
(iii) We heard with _____ that the lion had been recaptured. (relieve)
(iv) The zookeeper was stuck in a tree and his _____ was filmed by the TV crew. (rescue)
(v) There was much _____ in the village when the snake charmer came visiting. (excite)