The direct ancestor of maize is a lowland wild grass known as teosinte (Zea mays ssp. parviglumis).
The average of five positive numbers is 56. If the first number is three-fourth of the sum of the last four numbers, then the average of the last four n...
There are three classes P, Q and R. The average marks of class P is 75. The average marks of class Q is 80. The averagemarksof class R is 85. The averag...
The average age of a group of 70 students is 13 years. If 3 students whose ages are 15 years, 21 years, and _____ years are replaced by 3 new students w...
The income of B is 85% of A and income of C is Rs 3600 more than that of B. The average income of all three together is Rs. 8400. A and B spend 50% of t...
Sachin Tendulkar's average runs over 40 innings was 52. During his subsequent four innings, he scored 55, 42, 0, and 60 runs. To increase his average to...
In an examination, Aryan scored 54% marks and passed by 98 marks, while Rohit scored 35% marks and failed by 35 marks. Determine the passing marks for t...
The average age of a class of 18 girls is 14 years. If 2 new girls having average age of 10 years join the class, then the average age of the class beco...
The average of 4, 6, 8, 12 and x is 7 and the average of x, 9, 13, 15 and y is 9. What is the value of 2x – 3y?
Four numbers are arranged in ascending order. When the 1st two numbers are increased by the number equal to their position, and the last two numbers (i....
A group of 15 students appeared for three tests. The overall average score across all tests is 70. The average score in the first test was 75, and in th...
