Select the alternative which represents three out of the five alternative figures which, when fitted into each other, would form a complete square.
Identify the number that will replace the question mark in the second equation based on the relationship represented in the first equation.
He opened the window without difficulty and climbed through. But the kitchen door was locked and the key was not there. He went to the window and whistled to Barnes.
‘You’ll have to climb through the window, too,’ he said. Just at that moment, they heard the sound of a car. It was approaching the house at great speed and its lights lit up the house as it got nearer. People got out and they could hear voices.
‘It’s the police!’ Barnes said. ‘It’s a trap. I knew it!’
‘Don’t panic!’ Lacey told him. ‘Now listen to me. Go back to the car and wait for me there. I’ll join you as soon as I can. Off you go - and keep well in the shadows.’