Given below are four jumbled sentences. Select the option that gives their correct order
A. There are many gadgets that are operated by a remote control and contain a silicon chip.
B. This produces an infra-red beam, made up of electromagnetic waves.
C. When a button is pressed on the remote control, the chip sets off an electromagnetic vibration
D. The beam carries a coded signal for operating the systeme

Options

A. ADCB
B. ACDB
C. ACBD
D. BACD

Answer

C

Explanation

Sentence A states that `ul("there are many gadgets that are o perated by remote control")` and Sentence C states that `ul("when a button is pressed on the remote control,")` the chip sets off an electromagnetic vibration. So, C will follow A. However, Sentence B states that this produces an infra-red beam and Sentence D states that the beam carries a coded signal. Hence, Option (c) is the correct sequence.