1000+ IBPS Aptitude Test Question and Answers 2023-2024 Pdf - 1
Question: 1
The average weight of 45 students in a class was calculated as 36 kg. It was later found that the weight of two students in the class was wrongly calculated. The actual weight of one of the boys in the class was 32 kg, but it was calculated as 34 kg, and the weight of another boy in the class was 45 kg, whereas it was calculated as 40 kg. What is the actual average weight of the 45 students in the class?
(A) 35.84 kg
(B) 36.07 kg
(C) 36.16 kg
(D) 37.84 kg
Ans: B
Average = $${(45 × 36) + 32 - 34 + 45 - 40} / {45}$$
= $${1620 + 3} / {45}$$ = 36.07 kg.
Question: 2
The average of 11 results is 50. If the average of the first six results is 49 and that of the last six is 52. The sixth result is
(A) 52
(B) 56
(C) 58
(D) 62
Ans: B
Sixth result = 6 × 49 + 6 × 52 - 11 × 50 = 294 + 312 - 550 = 56.
Question: 3
The average score of Rahul, Manish and Suresh is 63. Rahul’s score is 15 less than Ajay and 10 more than Manish. If Ajay scored 30 marks more than the average score of Rahul, Manish and Suresh, what is the sum of Manish’s ans Suresh’s scores?
(A) 111
(B) 120
(C) 130
(D) 140
Ans: A
Ajay’s score = 63 + 30 = 93
Rahul’s score = 93 - 15 = 78
Manish’s + Suresh’s score = 63 × 3 - 78 = 189 - 78 = 111.
Question: 4
The average of 7 members is 5. If the average of first six of these numbers is 4, the seventh number is
(A) 10
(B) 11
(C) 12
(D) 14
Ans: B
Sum of seven numbers = 7 × 5 = 35
Sum of first six numbers = 6 × 4 = 24
∴ Seventh number = 35 - 24 = 11.
Question: 5
The average marks obtained by 200 students in a certain examination is 45. Find the total marks.
(A) 700
(B) 800
(C) 900
(D) 940
Ans: C
Total marks = Average marks × Number of students
= 200 × 45 = 900.
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