basic maths MCQs – Page 10

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

basic maths Mcqs
181. The average monthly income of P and Q is Rs. 5050. The average monthly income of Q and R is 6250 and the average monthly income of P and R is Rs. 5200. The monthly income of P is____________?
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A. Rs. 4050

B. Rs. 3500

C. Rs. 5000

D. Rs. 4000
182. P, Q and R can complete a work in 24, 6 and 12 days respectively. The work will be completed in________days if all of them are working together.
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A. 2

B. 5

C. 4

D. 3 3?7
183. A can do a certain job in 12 days. B is 60% more efficient than A. The number of days it takes for B to do the same piece of work, is:_________?
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A. 34 days

B. 12/6 days

C. 15/2 days

D. 23 days

184. The average of 35 students in a class is 16 years. The average age of 21 students is 14. What is the average age of remaining 14 students?
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A. 15 years

B. 18 years

C. 17 years

D. 19 years
185. A alone can finish a work in 10 days and B alone can do it in 15 days. If they work together and finish, then out of a total wages of Rs.75. A will get:___________?
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A. 45 Rs.

B. 40 Rs.

C. 35 Rs.

D. None of these

186. The average of five numbers is 27. If one number is excluded, the average becomes 25. The excluded number is__________?
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A. 30

B. 25

C. 35

D. 27

187. A and B can finish a piece of work in 20 days .B and C in 30 days and C and A in 40 days. In how many days will A alone finish the job?
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A. 45

B. 48

C. 44

D. 34(2/7)

188. A cricketer has a certain average for 10 innings. In the eleventh inning, he scored 108 runs, there by increasing his average by 6 runs. His new average is_____________?
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A. 52 runs

B. 48 runs

C. 55 runs

D. 60 runs

189. The average age of M boys is b years and of n girls c years. The average age of all together is_________?
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A. (mb + nc)/ (m n) years

B. (mb nc)/ (m n) years

C. (mb + nc)/ (m + n) years

D. (mb nc)/ (m + n) years

190. Two pipes can fill a tank in 10 hrs. and 12 hrs. respectively while a third pipe empties the full tank in 20 hrs. If all the three pipes operate together , in how much time the tank will be filled ?
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A. 5 hrs

B. None of these

C. 7 hrs

D. 7.5 hrs
191. A boat goes 100 km downstream in 10 hours, and 75 m upstream in 15 hours. The speed of the stream is________?
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A. 5 km/h

B. 2 (1/2) km/h

C. 7 km/h

D. 3 km/h

192. A man swims downstream 30 km and upstream 18 km taking 3 hours each time, what is the speed of the man in still water?
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A. 8 kmph

B. 4 kmph

C. 2 kmph

D. 16 kmph

193. The average age of 8 men increases by 2 years when two women are included in place of two men of ages 20 and 24 years. Find the average age of the women?
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A. 36 years

B. 24 years

C. 30 years

D. 18 years

194. The sum of five numbers is 655. The average of the first two numbers is 85 and the third number is 125. Find the average of the two numbers?
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A. 180

B. 170

C. 190

D. 175

195. A man can row downstream at 18 kmph and upstream at 10 kmph. Find the speed of the man in still water and the speed of stream respectively?
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A. 12, 6

B. 15, 3

C. 14, 4

D. 13, 3

196. 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 it take to go 5 km in stationary water?
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A. 40 minutes

B. 1 hr 15 min

C. 1 hour

D. 1 hr 30 min

197. A batsman makes a score of 64 runs in the 16th innings and thus increased his average by 3. Find his average after the 16th inning?
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A. 19

B. 17

C. 18

D. 29

198. The average of non-zero number and its square is 5 times the number. The number is__________?
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A. 9

B. 29

C. 295

D. 17

199. The average of five consecutive odd numbers is 61. What is the difference between the highest and lowest numbers?
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A. 8

B. 2

C. Cannot be determined

D. 5

200. The average runs scored by a batsman in 20 matches is 40. In the next 10 matches the batsman scored an average of 13 runs. Find his average in all the 30 matches?
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A. 28

B. 31

C. 29

D. 30