Question
Which of the following is used to chemically test
starch?Solution
The presence of starch in leaves can be tested by the Iodine test. When we remove chlorophyll from the leaf by boiling it in alcohol and then putting two drops of iodine solution, it is a colour change to blue indicates the presence of starch
A invests Rs. 20,000 for 6 months, B invests Rs. 15,000 for 8 months, C invests Rs. 25,000 for 4 months. Total profit = Rs. 17,000. Find B’s share.
Ashu and Sunil together start a business with investment of Rs. 1800 and Rs. ‘x + 1000’, respectively. If the profit earned after 5 years is Rs. 640...
'A' and 'B' invested Rs. 16,000 and Rs. 12,000, respectively, in a business. After 8 months, 'A' added Rs. 8,000 to his investment, while 'B' withdrew R...
Deepak and Ramesh started a business by investing Rs. ‘X’ and Rs. (X + 600), respectively. 12 months later, Ramesh withdrew his entire investment. ...
‘A’ and ‘B’ started a business by investing certain sum in the ratio 3:2, respectively for 10 years. If 20% of the total profit is donated in an...
"Abhinav" and "Pankaj" launched a business venture with investments of Rs. 1400 and Rs. 2100, respectively. The ratio of the time for which "Abhinav" an...
Ashish started a business by investing Rs. 6300. Few months later; Ramesh joined him by investing Rs. 8000 such that at the end of the year, the profit ...
A and B started a retail store with initial investments in the ratio 5:6 and their annual profits were in the ratio 2:3. If A invested the money for 8 m...
X started a business with Rs.12000. After 6 months, Y joined with x% of X’s capital. At the end of the year, Y’s share in the Rs.36000 total profit ...
- Ravi and Raj entered into a business where Ravi invested Rs. 9,000. Raj withdrew his capital after 6 months. If their profit ratio at the end of the year w...
Relevant for Exams:
