basic maths MCQs – Page 6

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

basic maths Mcqs

101. The average of 10 numbers is 23. If each number is increased by 4, what will the new average?
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A. 25

B. 27

C. 29

D. 22

102. The average of 11 results is 50, if the average of first six results is 49 and that of the last six is 52. Find the sixth result?
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A. 34

B. 56

C. 46

D. 57

103. A boat can move upstream at 25 kmph and downstream at 35 kmph, then the speed of the current is_________?
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A. 15 kmph

B. 30 kmph

C. 5 kmph

D. 10 kmph

104. The average age of three boys is 15 years and their ages are in proportion 3:5:7. What is the age in years of the youngest boy?
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A. 21

B. 15

C. 18

D. 9

105. A man can row 6 kmph in still water. When the river is running at 1.2 kmph, it takes him 1 hour to row to a place and black. What is the total distance traveled by the man?
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A. 5.76 km

B. 5.66 km

C. 6.24 km

D. 6 km

106. The speed of a boat in upstream is 60 kmph and the speed of the boat downstream is 80 kmph. Find the speed of the boat in still water and the speed of the stream?
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A. 50, 60 kmph

B. 35, 27 kmph

C. 45, 55 kmph

D. 70, 10 kmph

107. A work can be finished in 16 days by twenty women. The same work can be finished in fifteen days by sixteen men. The ratio between the capacity of a man and a woman is_________?
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A. 4:3

B. 2:03

C. 2:01

D. 1:03

108. A man can row 6 kmph in still water. When the river is running at 1.2 kmph, it takes him 1 hour to row to a place and black. How far is the place?
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A. 2.88 km

B. 2 km

C. 3 km

D. 3.12 km

109. 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?
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A. 37

B. 34

C. 36

D. 35

110. A man can row 9 1/3 km/hr in still water and he finds that is thrice as much time to row u p than as to row down the same distance in river. The speed of the current is:________?
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A. 3 1/9 km/hr

B. 1 km/hr

C. 4 2/3 km/hr

D. 3 1/3 km/hr

111. A boat covers a distance of 30 km in 2 hours running downstream while returning it covers the same distance in 3 hours. What is the speed of the boat in still water?
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A. None of these

B. 8km/hr

C. 15 km/hr

D. 14 km/hr

E. 12km/hr

112. 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?
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A. Rs.30.25

B. Rs.29.25

C. Rs.35

D. Rs.32

113. A and B can do a piece of work in 72 days; B and C can do it in 120 days; A and C can do it in 90 days. In what time can A alone do it ?
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A. 120 days

B. 150 days

C. 80 days

D. 100 days

114. A man rows his boat 85 km downstream and 45 km upstream, taking 2 1/2 hours each time. Find the speed of the stream?
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A. 6 kmph

B. 7 kmph

C. 5 kmph

D. 8 kmph

115. A man can row upstream at 25 kmph and downstream at 35 kmph, and then find the speed of the man in still water?
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A. 10 kmph

B. 60 kmph

C. 5 kmph

D. 30 kmph

116. A man whose speed is 4.5 kmph in still water rows to a certain upstream point and back to the starting point in a river which flows at 1.5 kmph, find his average speed for the total journey?
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A. 2 kmph

B. 4 kmph

C. 8 kmph

D. 10 kmph

117. A man can row a boat at 20 kmph in still water. If the speed of the stream is 6 kmph, what is the time taken to row a distance of 60 km downstream?
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A. 30 hours

B. 30/13 hours

C. 27/2 hours

D. 20/6 hours

118. The average of 13 numbers is 60. Average of the first 7 of them is 57 and that of the last 7 is 61. Find the 8th number?
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A. 51

B. 32

C. 68

D. 46

119. A man takes twice as long to row a distance against the stream as to row the same distance in favour of the stream. The ratio of the speed of the boat (in still water) and the stream is________?
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A. 3 : 1

B. 2:01

C. 3:02

D. 4:03

120. A man can row his boat with the stream at 6 km/h and against the stream in 4 km/h. The mans rate is________?
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A. 1 kmph

B. 3 kmph

C. 5 kmph

D. 8 kmph

Showing 101 to 120 of 238 mcqs