The following table gives the income distribution of 200 households of a village:
Monthly Income (in ₹ )
Number of Households
< 1000
25
< 2000
80
< 5000
170
< 10000
200
What is the percentage of households whose monthly income is above ₹ 2000 but below ₹ 5000?
(a)32.5
(b)45
(c)85
(d)90
Answer
Answer (as printed): B
Explanation
Total number of households $=200$. Number of households whose monthly income is above ₹ 2000 but below ₹ $5000=(170-80)=90$. $$\text { ∴ } \text { Required percentage }=\left(\frac{90}{200} \times 100\right) \%=45 \% .$$
Explanation as extracted from the printed page; notation may be imperfect.