Quantitative Aptitude
17 questions across 7 exam years. Answers for this topic
The average runs scored by a batsman in forty-five matches were 42 runs. The difference between his highest and lowest runs scored was 114. If those two matches (on which he scored the highest and the lowest runs) are excluded, his average score will be 40. What will be his lowest score ?
In a class, the average weight of 40 boys is 65 kg and that of 50 girls is 60 kg. After a few days, 40% of the girls and 50% of the boys leave. What would be the new average weight of the class (in kg)? Assume that the average weight of the boys and the girls remains constant throughout.
The average weight of 5 students in a class is 25.8 kg. When a new student joined them, the average weight is increased by 3.9 kg. Then find the approximate weight of the new student.
If the average of three numbers n1, n2, n3 is 37 and two numbers n1 and the n2 average is 23 then what will be the 2/5th of the third number?
The average weight of a class of 45 girls is 53 kg. It was later found that weight of two girls was read as 49 kg and 57 kg instead of 45 kg and 52 kg. Find the actual average weight of the class.
Average monthly fees of all students in a class is Rs. 20000. Average monthly fees of 40 boys is Rs. 16000 and average monthly fees of remaining girls is Rs. 25000. How many students are there in the class?
The average of marks obtained by 150 candidates in a certain examination is 50. If the average marks of passed candidates is 55 and that of the failed candidates is 25, what is the number of candidates who passed the examination?
There are five numbers and the second number is 25% more than the first number, while third number is 20% more than second number. If the average of all the five numbers is 126 and that of first, fourth and fifth number is 100, then find the sum of last two numbers?
Average of marks scored by Deepak in English, Hindi and Math is 70 and average marks scored by Deepak in English and Math are 73. If marks of Deepak in Science are 25% more than his marks in Hindi, then find average marks scored by Deepak in these four subjects?
The average weight of seven students in a class is 26.5 kg. When a new student joins them, the average weight increases by 2.5 kg.Find the weight of the new student?(in kg)
Average of four numbers is increased by 1 when a number is replaced by x and average of that four number is decreased by 1 when another number is replaced with x. What is the difference of the both numbers?
The average weight of eight people is X kg. Two new people joined them with total weight of 151 kg and average weight of all people increased by 3/2 kg. If the weight of lightest people out of two people joined is X-5 kg, the find the difference between weight these two people who joined later.
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Average of three even number (a, b & c) is 84 and the average of a and c is 90. Average of three odd numbers (x, y & z) is 19 and the average of x and z is 18. Find the difference between b and y.
The average weight of a family of 28 member is 22 kg. If one member get married to Sita, then the average weight increases by 2 kg. The average weight of the Sita and Sita’s family is 80 kg and weight of mom is 40% less than that of dad. Find the weight of her dad. (Note: Sita’s family has only two people excluding herself)
The average marks of Bunty, Shunty & Chunky in an exam is 90 while that of Dumpty is 20% more marks than of Shunty. If average marks of Bunty & Chunky is 95. Find average marks of all four.
The average weight of 48 students in a group is 63 kg. If 10 more students joined the group, then the average weight decreased by 6 kg, then find the average weight of the 10 new students in the group.
The average weight of 12 students in a class is ‘y’ kg. Two new students joined them with total weight of 72 kg and the average weight of the class is decreased by y/16 kg. If the weight of heavier student out of two students who joined is y – 24 kg, then find the difference between weight of two students who joined.
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