Answer:
16 sweets
Step-by-step explanation:
Number of sweet that Sekhar had = x
Sweets given to Renu = (1/4) of x = 
Sweets given to Raji = 5
Remaining sweets = 7

1/100 of a metre, as 100cm make 1m
78 inches if you you know that a foot is 12 inches you can add 12 for every inch then add 6 for the half making it 78 inches.
The LCM is 540 because 54X10=540 which 20 goes into