basic maths MCQs – Page 7

Practise focused basic maths questions with marked answers for exam preparation and subject revision.

basic maths Mcqs
121. Find the average of the first 20 natural numbers?
comments icon0
A. 10.5

B. 10

C. 11.5

D. 12

122. Bilal can do a work in 15 days and Jalal in 12 days. If they work on it together for 4 days, the fraction of work that is left is________?
comments icon0

A. 5-Mar

B. 7-Apr

C. 4-Jan

D. 2/5
123. If 10 bulls can plough 20 identical fields in 3 days working 10 hours a day, then in how many days can 30 bulls plough 32 same identical fields working 8 hours a day?
comments icon0

A. 8

B. 10

C. 12

D. 2
124. The average age 9 members of a committee are the same as it was 2 years ago, because an old number has been replaced by a younger number.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?
comments icon0

A. 27 years

B. 7 years

C. 11 years

D. 18 years
125. The average of first 10 odd numbers is_____________?
comments icon0
A. 10

B. 17

C. 12

D. 11

126. Speed of a boat in standing water is 9 kmph and the speed of the stream is 1.5 kmph. A man rows to a place at a distance of 105 km and comes back to the starting point. The total time taken by him is_________?
comments icon0

A. 16 hours

B. 18 hours

C. 20 hours

D. 24 hours
127. Aftab bought 65 books for Rs.1150 from one shop and 50 books for Rs.920 from another. What is the average price he paid per book ?
comments icon0

A. Rs.16

B. Rs.18

C. Rs.22

D. Rs.20

128. The average of 35 numbers is 25. If each number is multiplied by 5, find the new average?
comments icon0
A. 125

B. 98

C. 170

D. 134

129. A boatman goes 2 km against the current of the stream in 1 hour and goes 1 km along the current in 10 minutes. How long will he take to go 5km in stationery water?
comments icon0
A. 1 hr 15 Min

B. 1 Hour

C. 1 Hr 30 Min

D. 40 Minutes

130. The speed of a boat in still water is 2km/hr. If its speed upstream be 1km/hr then speed of the stream is________?
comments icon0

A. 1.5km/hr

B. 3km/hr

C. none

D. 1km/hr
131. The total marks obtained by a student in Physics, Chemistry and Mathematics is 150 more than the marks obtained by him in Physics. What is the average mark obtained by him in Chemistry and Mathematics?
comments icon0
A. 75

B. 50

C. None of these

D. 150

132. 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?
comments icon0

A. 38 degrees

B. 34 degrees

C. 40 degrees

D. 36 degrees

133. The average of 11 numbers is 10.9. If the average of first six is 10.5 and that of the last six is 11.4 the sixth number is_____________?
comments icon0
A. 11.5

B. 11.4

C. 11

D. 11.3

134. In an exam, Amir scored 64 percent, Masood scored 36 percent and asif 44 percent. The maximum score awarded in the exam is 800. Find the average mark scored by all the three boys?
comments icon0

A. 404

B. 324

C. 364

D. 384
135. The average of four positive integers is 69. The highest integer is 93 and the least integer is 39. The difference between the remaining two integers is 28. Which of the following integers is the higher of the remaining two integers?
comments icon0
A. 86

B. 49

C. 58

D. None of these

136. The average age of seven persons sitting in a row facing east is 28 years. If the average age of the first three persons is 21 years and the average age of the last three persons is 34 years, then find the age of the person sitting in the middle of the row?
comments icon0

A. 33 years

B. 30 Years

C. 31 years

D. 26 years

137. A student scored an average of 80 marks in 3 subjects: Physics, Chemistry and Mathematics. If the average marks in Physics and Mathematics is 90 and that in Physics and Chemistry is 70, what are the marks in Physics?
comments icon0

A. 72

B. 80

C. 60

D. 64

138. A library has an average of 510 visitors on Sunday and 240 on other days. The average number of visitors per day in a month of 30 days beginning with a Sunday is___________?
comments icon0

A. 280

B. 276

C. 285

D. 250

139. B can work 3 times faster than A. They work together on a task and complete it in a day. How long does it take for B alone to complete the task?
comments icon0
A. 32 hours

B. 3 days

C. 48 hours

D. 4 days

140. 2 men and 12 women can finish a job in 4 days. 4 men and 6 women can do the same job in 5 days. Find the time taken by 1 man and 1 woman to complete the job.
comments icon0
A. 24 days

B. 25 days

C. 30 days

D. 20 days