Question
Two students appeared in an exam and one secured 14
marks more than the other. If marks of student who got more marks is 55% of the sum of the marks of both of them, then find the marks obtained by them.Solution
Let total marks obtained by both of them is x and y respectively. x – y = 14 And, x = 0.55 × (x + y) x = 0.55 × (14 + y + y) x = 0.55 × (14 + 2y) x = 7.7 + 1.1y 14 + y = 7.7 + 1.1y 0.1y = 6.3 y = 63 x = 63 + 14 = 77
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:
