Average Aptitude Mcq Model Questions & Answers, Practice Test for ibps po prelims 2024 2025

ibps po prelims 2024 2025 SYLLABUS WISE SUBJECTS MCQs

Lcm & Hcf

Simplification

Power, Indices And Surds

Ratio & Proportion

Time & Work

Time & Distance

Mensuration

Data Sufficiency

Average

Profit & Loss

Alligation & Mixtures

Compound Interest

Number Series

Quadratic Equations

Probability

Permutations & Combination

Click To More Exercise For Average
Question :6

The average of 5 consecutive number is 58.Find the first number ?

Answer: (d)

X + x + 1 + x + 2 + x + 3 + x + 4 = 58 × 5 = 290

5x + 10 = 290

X = 290 - 10/5 = 280/5 = 56

Question :7

The average age of a family of 9 members is 22 years. Surya is the youngest and his age is 6 years, then what was the average age of the family just before Surya was born?

Answer: (a)

9 × 22 - 9 × 6/8 = 18

Question :8

The average of 8 consecutive natural numbers is 38.5. What is the largest of these 8 numbers?

Answer: (a)

Sum of 8 consecutive natural numbers = 8 × 38.5 = 308

∴ $n/2$ [2a + (n - 1) d] = 308

⇒ $8/2$ [2a + (8 - 1)1] = 308

⇒ a = 35

∴ the largest number is 42.

Question :9

The average age of 24 students is 12 years. It was observed that while calculating the average age, the age of a student was taken as 14 years instead of 8 years. What will be the correct average age (in years)?

Answer: (a)

Student = 24

Average = 12

Difference in year = 14 - 8 = 6

Difference in Average = $24/6$ = 0.025

Actual Average = 12 - 0.25 = 11.75

Question :10

The present average age of a family of 5 members is 40 years. If the youngest member of the family is 12 years old, then find the average age of the family at the time of birth of the youngest member.

Answer: (b)

Present age of the family = 5 × 40 = 200 years.

12 years ago at the time of the birth of youngest member, age of family = 200 - 12 × 5 = 140.

So average age = 140/4 = 35 year

Click To More Exercise For Average
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