A chemist was preparing a solution that should have included 35 milligrams of a chemical. If she actually used 36.4 milligrams, what was her percentage error( to the nearest 0.01%)?
A. 0.04%
B. 0.05%
C. 1.40%
D. 3.58%
E. 4.00%
সঠিক উত্তরঃ
E.
4.00%
Explanation:
Related Questions (Any University/Year)
- A trader incurs a loss of 10% on cost of an item on selling it. If he could sell it at Tk. 1,500 more, he could make a profit of 20% on cost. What was the cost of the item in thousand taka?
- In a certain sock drawer, there are 4 pairs black socks, 3 pairs of back socks, 3 pairs of gray of gray socks and 2 pairs of corage socks. It socks removed at random without replaced, what is the minimum number of socks that must removes in order to ensure that two socks of the the same color have been removed?
- A lady went shopping and bought one red bag and 15 black bags. The cost of the red bag was 3 times the average cost of a black bag. If she had spent a total of TK X fir the bags, what was the cost of the red bag?(in terms of x)
- The ratio of boys and girls in a school is 9:5.If the total number of students in the school is 1050.Then number of boys is
- If (x -y=2) and (xy =3) , then (x + y =?)
- If pqr=1,rst = 0, and spr=0, which of the following cannot be zero? Indicate ALL such answers.
- Anwar is 3 times as old as Babu. In 13 years, Anwar will be 1 year younger than twice Babu's age. How old is Anwar now?
- A dishonest milkman professes to sell his milk at cost price but he mixes it with water and there by gains 25% . The percentage of water in the mixture is:
- If milly gives Tilly Tk 60, the money they have is in 2 : 1; however, if Tilly gives Milly TA, 10 the ratio is 1:3. How much money have Milly before they exchange any money?
- The electric company charge: Tk 0.3 per KWH. Rahim used 2800 KWH in April, 3200 KWH in May, and 3600 KWH in June. What was his average costs of electricity in taka for the 3 months?
- At a certain party attended by 32 people, 24 of them were students. If 12 of those in attendance were women, and if 6 of the women in attendance were students, then how many of the men who attended the party were NOT students?
- Two trains are running at \(40~km/hr\) and \(20~km/hr\) respectively in the same direction. If the faster train completely passes a man sitting in the slower train in 5 seconds, what is the length of the faster train in meters?
- Gold is 19 times as heavy as water and Copper is 9 times as heavy as water. Calculate the ratio in which these two metals should be mixed so that the mixture is 15 times as heavy as water.
- The sale of TV increased by 30% when the price was reduced by 10%. What will be the percentage change in revenue?
- 0.03 X 0.0004 X 1.002 = ?
- In a basket of fruits, the ratio of number of apples, bananas, and oranges is 3:4:8. If the number of apples is 9, how many bananas does the basket have?
- If, x+y>4 and x1 is true
- A box contains 24 red socks and 43 green socks. How many green socks must be removed from the box so that 60% of the socks in the box will be green?
- Of the following the closet approximation to V(5.98×601.5/15.79)
- একটি ট্রেন ১৫ সেকেন্ডে চলে ২০ ফুট। একই দ্রুততায় ট্রেনটি ৩ সেকেন্ডে কত ফুট চলবে?