The average of all prime numbers between 32 and 69 is.
Komal bought 20 kg rice for Rs 30 per kg, b kg rice for Rs 35 per kg and (b + 4) kg rice for Rs 25 per kg. She mixed all type of rice together and the a...
A and B started a business investing Rs. 1500 for ‘x’ months and Rs. 1800 for 10 months, respectively. Out of total profit of Rs. 5000, profit shar...
Average of four numbers is 27. Sum of smallest and largest number is 56. If difference between other two numbers is 2, then find the square of second sm...
In an examination, the average marks obtained by the students is 40. After correcting the quantitative mistakes, the average of 50 students is reduced t...
Average 20 numbers is ‘x’. If the average of first 12 numbers is 74.5 while average of last 5 numbers is 84.8 and 13th, 14th a...
The average age of 15 children and their teacher's age are 12 years. If the teacher's age is excluded, the average reduces by 2. What is the teacher's age?
X and Y have weights of 36 kg and 60 kg, respectively. Z weighs 12 kg less than X. Calculate the average weight of X, Y, and Z.
A well with 42 m inside diameter is dug 14 m deep. Soil taken out of it has been evenly spread all around it to a width of 21 m to form an embankment. F...
The average weight of a class of 25 student is 60 KG. If X is student joined the class, than the average weight of whole class increases by (2X – 7)...
