Practice mode / Age Questions The average age in a city of 10000 is 40 years. The average of half of them is 50 years. The average of remaining ones is? A Option A: 15 B Option B: 25 C Option C: 30 D Option D: 35 E Option E: 47.5 Correct answer C. 30 Show answer Report a problem How we write and check questions
Question 01 / Age Questions During a certain operation B persons are successfully recovered every year. If A persons are treated during the last 5 years what will be the average death rate per year? A Option A: B/5 B Option B: A-5B C Option C: (A-b)/5 D Option D: (A-5B)/5 E Option E: A+5B Correct answer D. (A-5B)/5 Show answer Open question
Question 02 / Age Questions A shopkeeper purchases 5 cartoons in 105 rupees and 8 cartoons in 155 rupees. If a cartoon contains 5 items then average price per item is? A Option A: 4 B Option B: 15.75 C Option C: 20 D Option D: 27.15 E Option E: 135.75 Correct answer A. 4 Show answer Open question
Question 03 / Age Questions In the above question the sum of the height of new students in class. A Option A: 190 B Option B: 610 C Option C: 710 D Option D: 1890 E Option E: none Correct answer B. 610 Show answer Open question
Question 04 / Age Questions The average height of a class of 18 students is 105 cm. After the arrival of 7 new students the average decreases by 5cm. Find sum of the heights of all the students in the class? A Option A: 1890 B Option B: 2500 C Option C: 2625 D Option D: 2890 E Option E: none Correct answer B. 2500 Show answer Open question
Discussion