# 1000+ SBI Aptitude Questions and Answers Pdf - 1

Question: 1

The average of 7 numbers is 5. If the average of first six of these numbers is 4, the seventh number is

(A) 11

(B) 12

(C) 14

(D) 15

Ans: A

Sum of seven numbers = 7 × 5 = 35

Sum of first six numbers = 6 × 4 = 24

∴ the seventh number = 35 - 24 = 11.

Question: 2

The average age of 20 boys in the class is 15.6 years. Five new boys join and the new average becomes 15.56 years. What was the average age of the five new boys?

(A) 15.2

(B) 15.3

(C) 15.4

(D) 15.25

Ans: C

Average age of the five new boys

= (25 × 15.56 - 20 × 15.6) ÷ 5 = 15.4 years.

Question: 3

The average of 50 numbers is 38. If two numbers namely 45 and 55 are discarded. What is the average of the remaining numbers?

(A) 36.5

(B) 37.5

(C) 38.5

(D) 39.5

Ans: B

Sum total of 50 numbers = 50 × 38 = 1900

Sum total of the remaining 48 numbers = 1900 – (45 + 55) = 1800

∴ Average = $${1800} / {48}$$ = 37.5Question: 4

The average marks of a student obtained in Physics, Chemistry and Biology is 70. If the student obtained 90 marks in Mathematics, then the new average is

(A) 70

(B) 75

(C) 76

(D) 80

Ans: B

Average marks in Physics, Chemistry and Biology = 70

Marks obtained in Maths = 90

∴ New average for the 4 subjects = $${70 × 3 + 90 × 1} / {4}$$ = $${300} / {4}$$ = 75 marks.

Question: 5

Average of ten numbers is calculated. If each number was increased by 12%, then the average

(A) increased by 12%

(B) may increase

(C) may decreases

(D) will remain unchanged

Ans: A

Since all numbers were increased by 12%, the average will also increase by 12%.

- 100+ Average Questions and Answers for Bank Exams
- Average Questions for Bank PO, SO, Clerk Exams with Solution
- 100+ Average Questions and Answers for SSC Exams
- 100+ Average Questions for IBPS, SBI PO, SO, Clerk
- 1,000+ Previous Year Banking Question Paper with Answers Pdf
- 1000+ SBI Aptitude Questions and Answers Pdf
- 1000+ Maths Aptitude Questions and Answers Pdf
- 1000+ Ethiopian Bank Entrance Exam Papers with Answers Pdf
- 1000+ IBPS Bank Exam Question Papers with Answers Pdf
- 1000+ Ethiopian Banks Aptitude Exam Questions
- 1000+ Aptitude Questions and Answers for BPO Interview
- 1000+ RHB Bank Berhad Aptitude Test Questions and Answers
- 1000+ IBPS Aptitude Test Question and Answers 2023-2024 Pdf

Electrical Power Sources Quiz Questions & Answers Pdf More

Electromagnetic Field Theory Question Bank 2024-2025 More

Power Semiconductor Device and Integrated Circuits Questions More

Strength of Materials Questions and Answers Pdf More

Steam and Power Generation Quiz Questions & Answers Pdf More

Inventions and Discoveries General Knowledge Questions and Answers More

Computer Awareness Online Test | Ebooks Free Download More

World Geography Multiple Choice Questions and Answers More

Top 10,000+ General Knowledge Questions and Answers 2020-2021 More

UPSC IAS Exam Prelims 2020-2021 Hydro Electric Power Plants in India More