Asked: R.A.S./R.T.S. (Pre) 2003medium Level
QUESTION STATEMENT:द्विभाषी / Bilingual
यदि 60 वॉट का बल्ब प्रतिदिन 5 घंटे प्रयोग किया जाए, तो 30 दिन में कितने यूनिट बिजली खर्च होगी?
If a 60-watt bulb is used for 5 hours daily, how many units of electricity will be consumed in 30 days?
SELECT CORRECT OPTION:
A
12
B
9
Correct
C
6
D
3
Official Solution & Explanation:
Correct Answer: Option B(9)
$$\text{यूनिट की संख्या} = \frac{\text{वॉट} \times \text{घंटा} \times \text{दिन}}{1000} = \frac{60 \times 5 \times 30}{1000} = \frac{9000}{1000} = 9\text{ यूनिट}$$
$$\text{Units} = \frac{60 \times 5 \times 30}{1000} = 9\text{ units}$$
Subject: General Science•Topic: Electric Current•Subtopic: Electric Current
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