What was the approximate percent drop in the sale of pep-up in 1990 over its in 1989

In case of which soft drink was the average annual sale maximum during the period 1988-1993

In which year the sale of cool-sip in minimum

If in a ΔABC as drawn in the figure, AB = AC and ∠ACD = 120⁰, then ∠A is equal to

60 students were asked to choose their favourite sport. Their distribution is as follows.
Football - 15, Cricket - 12,
Swimming - 12, Basketball - 11
Athletics - 10
The data is illustrated in a pie chart.
What angle should be used for football

If sin θ = 3/5, then the value of 

tan θ+cos θ/cot θ+cosec θ is equal to