If x-1x = 10, then find the value of x4+1x2

Find the value of x if 1-x24 = 1318

Find the value of 777777?

Which of the following cube in the answer figure cannot be based on the unfolded cube in the question figure?

If a mirror is placed on the line MN, then which is the right image of the given figure?

In the following question, four groups of three numbers are given. In each group the second and third number are related to the first number by a Logic/Rule/Relation. Three are similar on basis of same Logic/Rule/Relation. Select the odd one out from the given alternatives.

In the following question, select the missing number from the given series.

123, 120, 116, 111, ?, 98

A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.

ONU, NKP, MHK, LEF, ?