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Mathematics Mcqs

The average weight of 25 persons sitting in a boat had some value. A new person added to them whose weight was 46 kg only. Due to his arrival, the average weight of all the persons decreased by 5 kg. Find the average weight of first 25 persons?

Arithmetic Mcqs, Average Mcqs, Basic Maths Mcqs, Mathematics Mcqs /
The average weight of 25 persons sitting in a boat had some value. A new person added to them whose weight was 46 kg only. Due to his arrival, the average weight of all the persons decreased by 5 kg. Find the average weight of first 25 persons?

A. 55 kg
B. 62 kg
C. 56 kg
D. None
Explanation:
25x + 46 = 26(x – 5)
x = 176

The average weight of 25 persons sitting in a boat had some value. A new person added to them whose weight was 46 kg only. Due to his arrival, the average weight of all the persons decreased by 5 kg. Find the average weight of first 25 persons? Read More »

Arithmetic Mcqs, Average Mcqs, Basic Maths Mcqs, Mathematics Mcqs

The average marks in mathematics scored by the students of a school at the public examination were 39. If four of these students who actually scored 5, 12, 15 and 19 marks at the examination had not been sent up, the average marks for the school would have been 44. Find the number of students sent up for examination from the school?

Arithmetic Mcqs, Average Mcqs, Basic Maths Mcqs, Mathematics Mcqs /
The average marks in mathematics scored by the students of a school at the public examination were 39. If four of these students who actually scored 5, 12, 15 and 19 marks at the examination had not been sent up, the average marks for the school would have been 44. Find the number of students sent up for examination from the school?

A. 20
B. 25
C. 30
D. 32
39x = 5 + 12 + 15 + 19 + (x – 4)44
x = 25

The average marks in mathematics scored by the students of a school at the public examination were 39. If four of these students who actually scored 5, 12, 15 and 19 marks at the examination had not been sent up, the average marks for the school would have been 44. Find the number of students sent up for examination from the school? Read More »

Arithmetic Mcqs, Average Mcqs, Basic Maths Mcqs, Mathematics Mcqs

Nine men went to a hotel. Eight of them spent Rs.3 each over their meals and the ninth spent Rs.2 more than the average expenditure of all the nine. Determine the total money spent by them?

Arithmetic Mcqs, Average Mcqs, Basic Maths Mcqs, Mathematics Mcqs /
Nine men went to a hotel. Eight of them spent Rs.3 each over their meals and the ninth spent Rs.2 more than the average expenditure of all the nine. Determine the total money spent by them?

A. Rs.29.25
B. Rs.30.25
C. Rs.32
D. Rs.35
Average of 9 = x
9x = 8 * 3 + x * 2 x = 3.25
Total = 9 * 3.25 = 29.25

Nine men went to a hotel. Eight of them spent Rs.3 each over their meals and the ninth spent Rs.2 more than the average expenditure of all the nine. Determine the total money spent by them? Read More »

Arithmetic Mcqs, Average Mcqs, Basic Maths Mcqs, Mathematics Mcqs

The average age 9 members of a committee are the same as it was 2 years ago, because an old number has been replaced by a younger number. Find how much younger is the new member than the old number?

Arithmetic Mcqs, Average Mcqs, Basic Maths Mcqs, Mathematics Mcqs /
The average age 9 members of a committee are the same as it was 2 years ago, because an old number has been replaced by a younger number. Find how much younger is the new member than the old number?

A. 7 years
B. 11 years
C. 18 years
D. 27 years
9 * 2 = 18 years

The average age 9 members of a committee are the same as it was 2 years ago, because an old number has been replaced by a younger number. Find how much younger is the new member than the old number? Read More »

Arithmetic Mcqs, Average Mcqs, Basic Maths Mcqs, Mathematics Mcqs

The average temperature for Monday, Tuesday, Wednesday and Thursday was 48 degrees and for Tuesday, Wednesday, Thursday and Friday was 46 degrees. If the temperature on Monday was 42 degrees. Find the temperature on Friday?

Arithmetic Mcqs, Average Mcqs, Basic Maths Mcqs, Mathematics Mcqs /
The average temperature for Monday, Tuesday, Wednesday and Thursday was 48 degrees and for Tuesday, Wednesday, Thursday and Friday was 46 degrees. If the temperature on Monday was 42 degrees. Find the temperature on Friday?

A. 40 degrees
B. 38 degrees
C. 36 degrees
D. 34 degrees
M + Tu + W + Th = 4 * 48 = 192
Tu + W + Th + F = 4 * 46 = 184
M = 42
Tu + W + Th = 192 -42 = 150
F = 184 – 150 = 34

The average temperature for Monday, Tuesday, Wednesday and Thursday was 48 degrees and for Tuesday, Wednesday, Thursday and Friday was 46 degrees. If the temperature on Monday was 42 degrees. Find the temperature on Friday? Read More »

Arithmetic Mcqs, Average Mcqs, Basic Maths Mcqs, Mathematics Mcqs

A man purchased 3 blankets @ Rs.100 each, 5 blankets @ Rs.150 each and two blankets at a certain rate which is now slipped off from his memory. But he remembers that the average price of the blankets was Rs.150. Find the unknown rate of two blankets?

Arithmetic Mcqs, Average Mcqs, Basic Maths Mcqs, Mathematics Mcqs /
A man purchased 3 blankets @ Rs.100 each, 5 blankets @ Rs.150 each and two blankets at a certain rate which is now slipped off from his memory. But he remembers that the average price of the blankets was Rs.150. Find the unknown rate of two blankets?

A. Rs.150
B. Rs.225
C. Rs.250
D. None
10 * 150 = 1500
3 * 100 + 5 * 150 = 1050
1500 – 1050 = 450

A man purchased 3 blankets @ Rs.100 each, 5 blankets @ Rs.150 each and two blankets at a certain rate which is now slipped off from his memory. But he remembers that the average price of the blankets was Rs.150. Find the unknown rate of two blankets? Read More »

Arithmetic Mcqs, Average Mcqs, Basic Maths Mcqs, Mathematics Mcqs

A building contractor employs 20 male, 15 female and 5 child workers. To a male worker he pays Rs.25 per day, to a female worker Rs.20 per day and a child worker Rs.8 per day. The average wage per day paid by the contractor is__________?

Arithmetic Mcqs, Average Mcqs, Basic Maths Mcqs, Mathematics Mcqs /
A building contractor employs 20 male, 15 female and 5 child workers. To a male worker he pays Rs.25 per day, to a female worker Rs.20 per day and a child worker Rs.8 per day. The average wage per day paid by the contractor is__________?

A. Rs.20
B. Rs.21
C. Rs.22
D. Rs.23
20 15 5
25 20 8
500 + 300 + 40 = 840/40 = 21

A building contractor employs 20 male, 15 female and 5 child workers. To a male worker he pays Rs.25 per day, to a female worker Rs.20 per day and a child worker Rs.8 per day. The average wage per day paid by the contractor is__________? Read More »

Arithmetic Mcqs, Average Mcqs, Basic Maths Mcqs, Mathematics Mcqs

Visitors to show were charged Rs.15 each on the first day. Rs.7.50 on the second day, Rs.2.50 on the third day and total attendance on the three days were in ratio 2:5:13 respectively. The average charge per person for the whole show is___________?

Arithmetic Mcqs, Average Mcqs, Basic Maths Mcqs, Mathematics Mcqs /
Visitors to show were charged Rs.15 each on the first day. Rs.7.50 on the second day, Rs.2.50 on the third day and total attendance on the three days were in ratio 2:5:13 respectively. The average charge per person for the whole show is___________?

A. Rs.3
B. Rs.4.50
C. Rs.5.00
D. Rs.7.50
2: 5: 13
2x 5x 13x
15 7.5 2.5
30x + 37.5x + 32.5x = 100x/20x
Average = 5

Visitors to show were charged Rs.15 each on the first day. Rs.7.50 on the second day, Rs.2.50 on the third day and total attendance on the three days were in ratio 2:5:13 respectively. The average charge per person for the whole show is___________? Read More »

Arithmetic Mcqs, Average Mcqs, Basic Maths Mcqs, Mathematics Mcqs

In a hostel there were 100 students. To accommodate 20 more students the average is decreased by rupees 5. But total expenditure increased by Rs.400. Find the total expenditure of the hostel now?

Arithmetic Mcqs, Average Mcqs, Basic Maths Mcqs, Mathematics Mcqs /
In a hostel there were 100 students. To accommodate 20 more students the average is decreased by rupees 5. But total expenditure increased by Rs.400. Find the total expenditure of the hostel now?

A. Rs.5000
B. Rs.4600
C. Rs.5400
D. Rs.2300
100x + 400 = 12(x – 5)
x = 50
100 * 50 + 400 = 5400

In a hostel there were 100 students. To accommodate 20 more students the average is decreased by rupees 5. But total expenditure increased by Rs.400. Find the total expenditure of the hostel now? Read More »

Arithmetic Mcqs, Average Mcqs, Basic Maths Mcqs, Mathematics Mcqs

A batsman in his 17th innings makes a score of 85 and their by increasing his average by 3. What is his average after the 17th innings?

Arithmetic Mcqs, Average Mcqs, Basic Maths Mcqs, Mathematics Mcqs /
A batsman in his 17th innings makes a score of 85 and their by increasing his average by 3. What is his average after the 17th innings?

A. 34
B. 35
C. 36
D. 37
16x + 85 = 17(x + 3)
x = 34 + 3 = 37

A batsman in his 17th innings makes a score of 85 and their by increasing his average by 3. What is his average after the 17th innings? Read More »

Arithmetic Mcqs, Average Mcqs, Basic Maths Mcqs, Mathematics Mcqs