Mathematics mcqs

p and q need 8 days to complete a work. q and r need 12 days to complete the same work. but p, q and r together can finish it in 6 days. how many days will be needed if p and r together do it?

p and q need 8 days to complete a work. q and r need 12 days to complete the same work. but p, q and r together can finish it in 6 days.

8

7

9

10

p and q can do a work in 30 days. q and r can do the same work in 24 days and r and p in 20 days. they started the work together, but q and r left after 10 days. how many days more will p take to finish the work?

p and q can do a work in 30 days. q and r can do the same work in 24 days and r and p in 20 days.

19

8

10

18

p and q can complete a work in 15 days and 10 days respectively. they started the work together and then q left after 2 days. p alone completed the remaining work. the work was finished in----------days.

p and q can complete a work in 15 days and 10 days respectively. they started the work together and then q left after 2 days.

12

20

22

15

out of 100 students, 50 failed in english and 30 in mathematics. if 12 students fail in both english and mathematics. then the number of students who passed in both the subjects is----------?

out of 100 students, 50 failed in english and 30 in mathematics. if 12 students fail in both english and mathematics.

30

28

32

26

one pipe can fill a tank three times as fast as another pipif together the two pipes can fill the tank in 36 minutes, then the slower pipe alone will be able to fill the tank in:

one pipe can fill a tank three times as fast as another pipif together the two pipes can fill the tank in 36 minutes, then the slower pipe alone will be

192 min.

81 min.

144 min.

108 min.

one pipe can fill a tank three times as fast as another pipif together the two pipes can fill tank in 36 min, then the slower pipe alone will be able to fill the tank in?

one pipe can fill a tank three times as fast as another pipif together the two pipes can fill tank in 36 min, then the slower pipe alone will be able to

192 min

81 min

144 min

108 min

on a sum of money, the s.i. for 2 years is rs. 660, while the c.i. is rs. 696.30, the rate of interest being the same in both the cases. the rate of interest is--------?

on a sum of money, the s.i. for 2 years is rs. 660, while the c.i. is rs. 696.30, the rate of interest being the same in both the cases.

10%

10.50%

12%

none of these

of the 1000 inhabitants of a town 60 % are males of whom 20 % are literatif of all the inhabitants 25 % are literatthen what percent of the females of the town are literate?

of the 1000 inhabitants of a town 60 % are males of whom 20 % are literatif of all the inhabitants 25 % are literatthen what percent of the females of t

37.50%

22. 5 %

32. 5 %

27.50%

nawaz sahrif spends 10% of his income in house rent, 20% of the rest on his children’s education, 25% of the rest miscellaneous causes. if he now posses rs. 1944 then his income is-------?

nawaz sahrif spends 10% of his income in house rent, 20% of the rest on his children’s education, 25% of the rest miscellaneous causes.

rs.3600

rs.4000

rs.3000

rs.4500

nabeela took a loan of rs. 1200 with simple interest for as many years as the rate of interest. if she paid rs. 432 as interest at the end of the loan period, what was the rate of interest ?

nabeela took a loan of rs. 1200 with simple interest for as many years as the rate of interest. if she paid rs.

18

cannot be determined

6

3

milk and water in two vessels a and b are in the ratio 4:3 and 2:3 respectively in what ratio the liquids in both the vessels should be mixed to obtain a new mixture in vessel c containing half milk and half water?

milk and water in two vessels a and b are in the ratio 4:3 and 2:3 respectively in what ratio the liquids in both the vessels should be mixed to obtain

1:02

7:05

1:03

1:01

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