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Target SSC Exams 2021-22 10000+ Questions Attempt Maths Quiz | Day 155

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Q1. The average age of A, B, C, D and E is 40 years. The average age of A and B is 35 years and the average age of C and D is 42 years. The age of E is:
(a) 46
(b) 48
(c) 32
(d) None of these

Q2. Nine persons went to a hotel for taking their meals. Eight of them spent Rs. 12 each over their meals and the ninth spent Rs. 8 more than the average expending of all the nine. Total money spent by them was:
(a) 104
(b) 105
(c) 116
(d) 117

Q3. The average age of eleven cricket players is 20 years. If the age of the coach is also included, the average age increases by 10%. The age of the coach is
(a) 48 years
(b) 44 years
(c) 40 years
(d) 36 years

Q4. The average of 3 consecutive natural numbers (which are in increasing order) is k. If two more consecutive numbers, just next the first set of numbers, is added, then the new average becomes
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Q5. The average weight of a class of 33 students is 47 kg. If the weight of the teacher is included, then the average weight of the class increases by 1 kg. What is the weight of the teacher?
(a) 48
(b) 80
(c) 71
(d) 81

Q6. A batsman has a certain average in 59 innings that he has played till the last one. If his average increased by 2 runs after scoring 181 in the last innings, what is his average after these 60 innings?
(a) 61
(b) 63
(c) 62
(d) 60

Q7. The average weight of a group of 20 boys and calculated to be 89.4 kg and it was later discovered that one weight was misread as 78 kg instead of 87 kg. The correct average weight is:
(a) 88.95 kg
(b) 89.25 kg
(c) 89.55 kg
(d) 89.85 kg

Q8. The average monthly salary of all the employees in an industry is Rs. 12000. The average salary of male employees is Rs. 15000 an that of female employees is Rs. 8000. What is the ratio of male employees to female employees?
(a) 5 : 2
(b) 3 : 4
(c) 4 : 3
(d) 2 : 5

Q9. The arithmetic mean of the scores of a group of students in a test was 52. The brightest 20% of them secured a mean score of 80 and the dullest 25% a mean score of 31. The mean score of remaining 55% is: (approx.)
(a) 45
(b) 50
(c) 51.4
(d) 54.6

Q10. In the afternoon, a student read 100 pages at the rate of 60 pages per hour. In the evening, when she was tired, she read 100 more pages at the rate of 40 pages per hour. What was her average rate of reading, in pages per hour?
(a) 60
(b) 70
(c) 48
(d) 50

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