Each of the following questions 1. 16x12-672 +21 =? -211 (a) 381 (6) 347

16xx12-672-:21=?-211

What will come in place of question mark(?) in the following questions? 16x12 -672+21 = ? -211

Choose the correct atternative answer for each of the following question: If the mean of 12, 13, x, 17, 18 and 20 is 16, what is the value of x ?

Evaluate the following: (-672) div 21

Express each of the following ratios in simplest form : 2.1 : 1.2

Whal will come in place of questron mark(?) in the following questions? 204/3+211/4-61/(12)=?

Express each of the following as fraction is simplest form : 1.6

In each of the following questions select the missing number from the given responses. {:(8,4,7),(6,9,9),(48,36,?),(16,12,21):}

In each of the following questions, select the missing number from the responses. {:(6,11,25),(8,6,16),(12,5,?):}