Question
What structure controls the opening and closing of
stomata?Solution
Guard cells are specialized cells that regulate the opening and closing of stomata.
Four numbers are arranged in ascending order. When the first two numbers are increased by the number equal to their position, and the last two numbers i...
Average 20 numbers is ‘x’. If the average of first 12 numbers is 64.5 while average of last 5 numbers is 84.8 and 13th, 14th...
The average weight of a group of five persons, A, B, C, D, and E is 70 kg. If another person K joins the group then the average weight of the group is d...
The average of four numbers is 150. Two of the numbers are equal (not least), and 50 more than the least number. If the 4th number is twice the least nu...
The average age of A and B is 3 years more than the average age of A and C. If B’s current age is 4/3 times A’s age, and C is 2 years older than A, ...
- The average salary of A, B, and C is Rs. 30000 and the average salary of D and E is Rs. 25000. If the savings of A is 40% of the average salary of all five...
A class of 45 students has a total weight of 1080 kg. Two students with weights 22 kg and ‘z’ kg leave the class, and a new student with weight (3z ...
The average of 8 numbers is 22. When two new numbers 'p' and 'q' are added, the average increases by 3. If p - q = 10, find the value of q.
- A set of 50 observations has an average of 63. Find the new average when each observation is increased 8 times.
The average of two consecutive even numbers is 61. If the smaller number is increased by 18% and the larger number is decreased by 18%, then find the di...
