Study of the following table to answer the given questions-
 
Year Rice (Consumtion) Wheat Greams per day Coars Grains Pulses
1960-62 161 62 131 61
1970-72 197 81 116 64
1980-82 187 116 103 46
1990-92 189 124 101 44
2000-02 201 137 86 64
1
For which set of years of the combined consumption per day is equal with other set of years?
» Explain it
B
1960-62 161 + 62 + 131 + 61 = 415
 
1970-72 197 + 81 + 116 + 64 = 458

1980-82 187 + 116 + 103 + 46 = 452

1990-92 189 + 124 + 101 + 44 = 458

2000-02 201 + 137 + 86 + 64 = 488

1970-72 & 1990-92 set of years of combined consumption/day is equal
 
Hence, option B is correct.
 
2
What is the percentage of average consumption of wheat for the given set of years to average consumption of total grains?(approx)
» Explain it
C
Average of consumption of wheat for the given years
=    62 + 81 + 116 + 124 + 137
5
=    520   = 104 gms
5

Average consumption of total grains
=    415 + 458 + 452 + 458 + 488
5
=   454.2 grams
=    104  × 100
454.2
=   22.89 grams

Hence, option C is correct.
3
For which food grain consumption, was there successive increase over the given set of years?
» Explain it
B
Wheat (62 → 81 → 116 → 124 → 137) consumption

successive increase over the given set of years.

Hence, option B is correct.

4
For coarse grains, for the given set of years, the lowest consumption is approximately what per cent of that of all grains consumption  per day in such a set of years?
» Explain it
A
The lowest consumption of coarse grain in the year 2000-02 is 86 grams per day.


The total of all grains in the 2000-02 = 488
 

86  × 100 = 17.62%
488


Hence, option A is correct.

5
How many more percentage of the average consumption of Rice from the average consumption of Coarse grains?
» Explain it
E
Average of consumption of Rice

=    935  = 187 grams
5


Average of consumption of Coarse Grains

=    537  = 107.4 grams
5


% =  187 - 107.4  × 100
107.4

=   74.11%


Hence, option E is correct.


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