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Let the three numbers be (a-x), (a), (a+ x) ATQ- a-x +a+ a+ x = 18 3a = 18 a =6 So, numbers 6-x,6,6+x ATQ- (6-x) ² +36 +(6+x) ² = 158 36+x²-12x+36+36+x²+12x = 155 2x² = 158-108 =50 x² = 25 x= 5 So, find the series - 1,6,.11 square of the sum = 324
The average cost of three chairs is Rs.10000. The average cost decrease by 12% when one more chair is included. What is the cost price of the 4th
5 positive numbers are written on a piece of paper. Sum of first 3 numbers is 55 and ratio of the 4th and the 5th number is 2:3. If difference between t...
Average of three consecutive numbers is 91. Find the sum of smallest and largest number.
P's average monthly spending for the first 7 months is ₹1200, and for the following 5 months, it increases to ₹1500. Additionally, he manages to sav...
Rohit Sharma scores 93 runs in his 23rd inning, due to this his average increased by 3 runs. Find his current average?
The average of five consecutive odd numbers is 37. What is the product of the largest and smallest numbers in the series?
The average age of a group of 20 students is 30 years. Two persons of age 40 years and 35 years, left the group and 2 persons of age 50 years and 65 yea...
The average age of Renu and Rekha after three years will be 30 years, while the average age of Priya and Renu is currently 32 years. Additionally, the a...
