Number of Questions:
5
level of difficulty:
Sitter These questions are based on the following graph. Q1. The difference between the peak hydel power production and the least hydel power production is: Q2. What is the average thermal power production for the period 1990 to 1995? Q3. In which year is total power production (Thermal + Hydel) greatest? Q4. The percentage increase in the hydel power over the previous year is the greatest in Q5. If the thermal power production recorded a decrease of 30% from the previous year’s value in 1990, the thermal power produced in 1989 is
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Q1. Pick hydral = 180
Lowest hydral= 100
Difference = 80
Q2. Take base 120 : 20 + 20 + 0 + 30 + 25 + 33 + 25 = 155
avg = 22 + 120 = 142
Q3. Greatest in 94 = 200 and in 95 = 194
Please check for the answer to third question it is year 1991
True!!
But that is not among the given options
the ans to Q4&Q5 is wrong
for the question 3 the is 1994, because in that year both the powers are high in the same year.
but there is no option for 1994 in the choice given for 3.
The answere for Q.no 4 is correct because to find %age increase in you have to deduct former observation from the later and divide the result with the former observation and multiply with hundred.
q4)130-100/130*100=24% approx highest
q5) 30/100*140=42 hence 140+42=182 is rite
Well I just wanted to ask If the second answer is correct because the average was asked only till 1995
Well I just wanted to ask If the second answer is correct because the average was asked only till 1995
this is a laddo exercise
but in question 3 it would have been retter if there was a none of these option because the correct option is year 1991
anyhow based on the given options the correct one is of course 1995