Question
The most commonly used fumigant for storage of cereals
is: a. Zinc phosphide b. Aluminium phosphite c. Ethylene dibromide d. DDTSolution
Ethylene dibromide is a most commonly used fumigant for storage of cereals.
Rajat aims to save an average of Rs. 750 per month over the course of a year. For the first 8 months, his monthly income was Rs. 3,000, and he spent 80%...
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 t...
In a class of 30 students, the average marks are 68. The average marks of 18 boys is 72. What is the average marks of the 12 girls?
The ages of 4 members of a family are in the year 2011 are ‘X’,’X+6’,’X+12’ and ‘X+18’. After some years Oldest among them was dead then...
The average of 17 numbers is 48. The average of first 9 numbers is 45 and average of next 9 numbers is 52. If 9th number is excluded, then th...
5 positive numbers are written on a piece of paper. Sum of first 3 numbers is 60 and ratio of the 4th and the 5th number is 2:3. If difference between t...
The average of 25 numbers is 39.4. The average of the first 12 numbers is 36.5, and the average of the last 12 numbers is 40.5. Determine the value of t...
In a family of 10, the men eat on average 70kg of food and women eat on an average 45kg of food. The men and women are equal in number. A woman j...
Each side of a rhombus is 20cm long and the length of one of its diagonals is 24cm, then find the area of the rhombus.
Average age of 25 students is 15 years. If 5 students leave the class, the average age decreases by 1 year. Find the average age of the students who lef...