সকল সরকারী/বেসরকারী পরীক্ষার প্রশ্ন পেতে ক্লিক করুন গণিতের আইকিউ টেস্ট করতে ক্লিক করুন
Water tax is increased by 20% but its consumption is decreased by 20%. Then the increase or decrease in the expenditure of the money is--
Water tax is increased by 20% but its consumption is decreased by 20%. Then the increase or decrease in the expenditure of the money is--
- ক. 4% increase
- খ. 4% decrease
- গ. 5% decrease
- ঘ. No change
সঠিক উত্তরঃ 4% decrease
এ সম্পর্কিত আরো প্রশ্ন দেখুন
- A glass was filled with 10 liters of water and 0.01 liter of water evaporated every day during a 20-day period. What percent of the original amount of water evaporated during this period?
- Jahan spends 50% of he salary for house rent, 20% for grocery and 5% for her kid's entertainment. She deposits the remaining Taka 6000 in a bank. What is her salary in Taka?
- An increase of Tk.60 in the monthly salary of Madan made it 50% of the monthly salary of Kamal. What is Madan's present monthly salary?
- 3 liters of water is added to 15 liters of mixture of a 20% solution of alcohol in water. The strength of alcohol is now--
- Alamgir spends 30% of his income on scooter petrol. 1/4 of the remaining on house rent and the balance on food. If he spends Tk.300 on petrol then what is the expenditure on house rent?
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