## product of two co-prime numbers is 117. their l.c.m should be----------?

product of two co-prime numbers is 117. their l.c.m should be----------?

1 | |

equal to their h.c.f | |

117 | |

cannot be calculated |

پاک اسٹڈی لائبریری اپنی خدمات کو بہتر کرنے کے لئے نئے سوفٹ وئیر انسٹال کررہی ہے ۔ اس لئے آئندہ کچھ دن آپ کو کچھ صفحات تک رسائی میں مشکلات کا سامنا ہوسکتا ہے ۔ جس کے لئے ہم معذرت خواہ ہیں۔

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product of two co-prime numbers is 117. their l.c.m should be----------?

1 | |

equal to their h.c.f | |

117 | |

cannot be calculated |

positive integers indicated by x and y satisfy 3 1/x * y 2/5 = 13 3/4, the fractions being in their lowest terms, then x = ? and y = ------------?

x = 4, y = 4 | |

x = 4, y = 8 | |

x = 2, y = 4 | |

x = 8, y = 4 |

pipes p and q would fill a cistern 18 and 24 minutes respectively.

after 8 1/2 mins | |

after 10 mins | |

after 9 mins | |

after 12 mins |

pipes a and b can fill a tank in 5 and 6 hours respectively. pipe c can empty it in 12 hours.

3 9/17 hours | |

1 13/17 hours | |

2 8/11 hours | |

4 1/2 hours |

pipes a and b can fill a cistern in 8 and 24 minutes respectively. they are opened an alternate minutes.

12 min | |

10 min | |

19 min | |

6 min |

pipe a can fill a tank in 6 hours. due to a leak at the bottom, it takes 9 hours for the pipe a to fill the tank.

16 hours | |

15 hours | |

18 hours | |

17 hours |

pipe a can fill a tank in 5 hours, pipe b in 10 hours and pipe c in 30 hours. if all the pipes are open, in how many hours will the tank be filled?

2 | |

3 | |

0.5 | |

2.5 |

pipe a can fill a tank in 16 minutes and pipe b cam empty it in 24 minutes.

24 | |

none of these | |

20 | |

23 |

parallelogram has sides 60 m and 40 m and one of its diagonals is 80 m long then its area is:----------?

450√15 | |

320 sq.m | |

600√15 sq.m | |

480 sq.m |

p,q and r together earn rs.1620 in 9 days. p and r can earn rs.600 in 5 days. q and r in 7 days can earn rs.910.

rs.70 | |

rs.90 | |

rs.100 | |

rs.40 |

p, q and r have rs.6000 among themselves. r has two-thirds of the total amount with p and q. find the amount with r?

rs.3000 | |

rs.3600 | |

rs.2400 | |

rs.4000 |

p, q and r can do a work in 20, 30 and 60 days respectively.

9 days | |

15 days | |

10 days | |

14 days |

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.

4 ¼ | |

2 | |

5 | |

3 3⁄7 |

p works twice as fast as q. if q alone can complete a work in 12 days, p and q can finish the work in--------days

1 | |

3 | |

2 | |

4 |

p takes twice as much time as q or thrice as much time as r to finish a piece of work. they can finish the work in 2 days if work together.

7 | |

6 | |

9 | |

8 |

p is six times as large as q. the percent that q is less than p is:--------?

90 | |

60 | |

16 2/3 | |

83 1/3 |

p is able to do a piece of work in 15 days and q can do the same work in 20 days.

15-Jul | |

15-Aug | |

11-Feb | |

15-Nov |

p is 50% more than q. find the ratio of p to q.

1:02 | |

2:01 | |

3:02 | |

1:05 |

p is 30% more efficient than q. p can complete a work in 23 days. if p and q work together, how much time will it take to complete the same work?

9 | |

11 | |

23 | |

13 |

p can lay railway track between two stations in 16 days. q can do the same job in 12 days. with the help of r, they completes the job in 4 days.

9(3/5) days | |

9(2/5) days | |

9(1/5) days | |

10 days |

p can finish a work in 18 days. q can finish the same work in 15 days. q worked for 10 days and left the job.

6 | |

4 | |

2 | |

8 |

p can do a work in the same time in which q and r together can do it. if p and q work together, the work can be completed in 10 days.

15 days | |

25 days | |

20 days | |

30 days |

p can do a work in 24 days. q can do the same work in 9 days and r can do the same in 12 days. q and r start the work and leave after 3 days.

11 | |

12 | |

10 | |

9 |

p and q started a business with respective investments of rs. 4 lakhs and rs. 10 lakhs. as p runs the business, his salary is rs. 5000 per month.

1:01 | |

3:05 | |

5:02 | |

2:05 |

p and q started a business investing rs. 85,000 and rs. 15,000 respectively.

15:23 | |

3:05 | |

3:04 | |

none of these |