Question
The student's marks were wrongly entered as 55 instead
of 25. Due to this, the average marks for the class increased by 1 /4 The number of students in the class is:Solution
Actual mark of a student =25 but wrongly entered = 55 wrongly increased marks = 55-25 =30 so now - Let the number of students = x Increased average marks = 1/3 30/x =1/4 x =120
Which of the following disease in banana is caused by virus?
The innermost layer of the human gut wall is:
Which one of the following is an insect?
What is the critical irrigation stage in rice where moisture deficiency can lead to maximum reduction in grain yield?
Powdery mildew of mango is caused by
Fanging is related to
Which one of the following scientist defined the criteria of essentiality of nutrients in plants?
Water enters through minute pores……………..in the body wall into a central cavity, spongocoel.
Which among the following entrepreneurs is timid and cautious in nature:
Sand drown disease in tobacco is caused by deficiency of