Question : The waveform of a certain signal can be studied by:

Option 1: spectrometer

Option 2: Cathode Ray Oscilloscope (CRO)

Option 3: p-n junction diode

Option 4: sonometer

Question : What will be the ratio of simple interest earned by a certain amount at the same rate of interest for 8 years and 20 years?

Option 1: 5 : 7

Option 2: 2 : 5

Option 3: 3 : 5

Option 4: 4 : 3

Question : Directions: Which one of the given responses will be a meaningful order of the following?
1. Key  2. Door  3. Lock  4. Room

Option 1: 4, 2, 1, 3

Option 2: 1, 2, 3, 4

Option 3: 1, 3, 2, 4

Option 4: 1, 2, 4, 3

Question : When N is divided by 6, the remainder is 4. When 2N is divided by 6, the remainder is:

Option 1: 2

Option 2: 0

Option 3: 3

Option 4: 1

Question : Directions: In a certain code language, ELITE is coded as 3, and BLUE is coded as 2. How will ABSENCE be coded in that language?

Option 1: 4

Option 2: 2

Option 3: 3

Option 4: 1

Question : Directions: In a certain code language, SHORT is written as 1, and THEME is written as 2. How will TRAIN be written in that language?

Option 1: 4

Option 2: 1

Option 3: 2

Option 4: 3