Math Problem Statement
- एक आदमी गेहूँ खरीदना चाहता है। गेहूँ के मूल्य में 6.25% की कमी के कारण, वह 150 रुपये में 1/2 kg गेहूँ अधिक खरीद पाता है। । गेहूँ की मूल और घटी दरों के बीच अंतर ज्ञात कीजिए ।
(a) रु. 1.25/किग्रा
(b) रु. 2.25/किग्रा
(c) रु. 3/किग्रा
(d) रु. 1.75/किग्रा
Solution
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Math Problem Analysis
Mathematical Concepts
Percentage Decrease
Algebraic Equations
Unit Conversion
Formulas
New Rate = x * (1 - 6.25/100) = (15x/16)
Amount of Wheat (Old Rate) = 150 / x
Amount of Wheat (New Rate) = 150 / (15x/16) = 160 / x
Difference in Quantities = 1/2 kg
Theorems
-
Suitable Grade Level
Grades 8-10
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