Question

21.
DIRECTIONS for question 21: Choose the correct alternative.
A signboard outside a restaurant store "ICE AND SPICE" lights up as described below. The momen
the switch is turned on, all the three words light up and remain lighted for 3 seconds. After that
the first word goes off for 3 seconds, second word goes off for 4 seconds and third word goes off
for 5 seconds. Then each word again lights up for 3 seconds. This process continues throughout the
day
. How many seconds after switching on the signboard will all the three words will be lighted
for the second time for 3 seconds together?
2) 60
3) 124
4) None of these
1) 168​

Answer 1

Answer:

124

Step-by-step explanation:

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