Question
In 2018, the income-to-expenditure ratio of Vishal was
5:3. The following year, his income increased by 10% while his expenditure rose by 15%. Determine Vishal's income in 2018 if he managed to save Rs. 820 in 2019.Solution
Income = Expenditure + saving 5x × 110% -3x × 115% = 820 5.5x – 3.45x = 820 2.05x = 820 x = Rs. 400 Income of Vishal in 2018 = 400 × 5 = Rs. 2,000 Hence, option c.
Which of the following is not matched correctly?Â
National pest of india is
Tassar silk is majorly grown in
This Chemical known as “Apple Factor” which is released by Malus sp. and acts as an attractant to Aphis pomi is:
Chili leaf curl disease is spread by vector_________
___________signifies the separation between the old exocuticle and the epidermis, creating a narrow space that aids in the molting process.
“Clipping” the tips of the rice seedling before transplanting reduces the infestation of __________
Which of the following statements is true about Entomology?
Pebrine disease of silkworm is caused by
Which insecticidal compound primarily interferes with the axonal transmission, prolonging the closure of sodium gated channels in the nervous system?
Relevant for Exams:
