If a mirror is placed on the line XY, then which of the

‘A × B’ means ‘A is B’s brother’.

‘A ÷ B’ means ‘A is B’s sister’.

‘A + B’ means ‘A is B’s father’.

Which of the following numbers will replace the question mark (?) in the given series?

91, 102, 139, ?, 187, 198, 235

In a certain code language, ALBINISM is written as 79. How will NEURON be written in that code?

What should come in place of '?' in the given series?

14  85  511  3067  18403  ?

Four letter-clusters have been given, out of which three are alike in some manner and one is different. Select the lettercluster that is different.

Select the figure from among the given options that can replace the question mark (?) in the following series.

Select the die which cannot be formed on folding the given sheet.

What should come in place of the question mark (?) in the given series?

18, 74, 298, 1194, 4778,?

Four letter-clusters have been given, out of which three are alike in some manner and one is different. Select the odd letter-cluster.