समय र काम
1. २० रोपनी खेतमा लगाईएको धान काट्न ६० जना
मानिस प्रतिदिन ६ घण्टाको दरले काम गर्दा १० दिन लाग्छ भने सोही खेतमा प्रतिदिन ८
घण्टाको दरले ५ दिनमा काटीसक्न कति मानिस थप्नु पर्ला ? उत्तर- ३० जना थप्नु पर्ला
2. २५ रोपनी खेत खन्न ६० ज्यामीलाई प्रतिदिन ८
घण्टाको दरले काम गर्दा १२ दिन लाग्छ । ३० रोपनी खेत १८ दिनमा खनीसक्न ६४ जना
ज्यामीले दिनको कति घण्टा काम गर्नु पर्ला ? उत्तर- ६ घण्टा
3. २० जना मानिसले प्रतिदिन ७ घण्टा काम गर्दा १०
दिनमा गर्न सक्छन भने कति दिनमा १५ जना मानिसले ८ घण्टा प्रतिदिन काम गर्दा सो काम
सकिएला ?- उत्तर-३५/३ दिन
4. १८ ओटा पम्पहरुले प्रतिदिन ७ घण्टाको दरले
पानी तान्दा २१७० टन पानी १० दिनमा तान्छन भने कति दिनमा १६ ओटा पम्पहरुले ९ घण्टा
प्रतिदिनको दरले १७३६ टन पानी तान्छ?- ७ दिन
अर्को
टाईप
5. ६०० सिपाहीको एक डफ्फालाई ५० दिनका लागि खाना
पुर्याईएको थियो । यदी १५ दिनपछि ती मध्ये १८० सिपाही सो डफ्फा छोडेर गएछन भने
बाकी खाना कति दिनका लागि पुग्ला ? उत्तर- ५० दिन
6. एउटा ब्यारेकमा ३०० सिपाहीलाई ३० दिन पुग्ने
राशन छ । १० दिन पछि १०० जना सरुवा भई गए भने बाँकी रासन कति दिनसम्म पुग्ला ?
उत्तर- ३० दिन
7. एउटा ब्यारेकमा 1080 सिपाहीलाई 35 दिन पुग्ने
खाना छ । कति सिपाहीले व्यारेक छोड्दा सो खाना 40 दिन पुग्ला ? उत्तर-135
8. एउटा छात्राबासमा 140 जना विद्यार्थीलाई 35
दिन पुग्ने खाना छ । कति जना बिद्यार्थी थप्दा सो छात्राबासमा उक्त खानाले २०
दिनलाई पुग्ला ? उत्तर- १०५ जना
9. A can do a piece of work in 20 days and B can do the
same Piece of work in 30 days. Find in how many days both can do the work ?
a. 16 days b.
14 days c. 10 days d. 12 days
10. A and B can do a piece of work in 30 days while B and C
can do the same work in 24 days and C and A in 20 days. They all worked
together for 10 days. How long will A take to finish the remaningwork ?
a. 30 days b.
24 days c. 18 days d. 36 days
11. A and B can complete a piece of work in 8 days, B and C
can do it in 12 days, C and A can do it in 8 days. A,B and C together can
complete it in
a. 4 days b.
5 days c. 6 days d. 7 days
12. A is twice as good a workman as B and B is twice as good a workman as C.
If A and B can together finish a piece
of work in 4 days. Then C can do it by himself in.
a. 6 days b.
8 days c. 24 days d. 12 days
13. A is twice as good a workman as B and together they
finish a piece of work in 14 days. The number of days taken by A alone to finish the work is.
a. 11 days b.
21 days c. 28 days d. 42 days
14. A is 30% more
efficient than B and can alone do a piece of work in 23 days. In how many days
A and B working together can finish the work ?
a. 11 days b.
13 days c. 20 days d. 21 days
15. A can do a work
in 21 days. B is 40% more efficient than A. The number of days required for B
to finish the same work alone is.
a. 10 days b.
12 days c. 15 days d. 18 days
16. A can do a Piece of work in 12 days and B can do it in
18 days. They work together for 2 days and then A leaves. How long will B take
to finish the remaining work ?
a. 6 days b.
8 days c. 10 days d. 30 days
17. A can do a piece of work in 18 days and B in 12 days. They
began the work together but B left the
work 3 days before its completion. In how many days all work was completed ?
a. 12 days b.
10 days c. 9.6 days d. 9 days
18. A and B can
complete a piece of work in 12 and 18 days respectively. A begins to do the
work and they work alternatively one at a time for one day each. The whole work
will be completed in.
Ans- 14
19. A and B working separately can do a piece of work in 9
and 12 days respectively. If they work for a day alternatively with A begining,
the work would be completed in .Ans 10
20. A and B working separately can do a piece of work in 9
and 15 days respectively. If they work for a day alternatively with A begining,
the work would be completed in .Ans 11 days
21. A,B and C can do a piece of work in 20, 30 and 60 days
respectively. In how many days can A do the work if he is assisted by B and C
on every third day? Ans- 15 days
22. A,B and C can do a piece of work in 30, 20 and 10 days
respectively. A is assisted by B on one day and by C on the next day,
alternatively. How long would the work take to finish ?Ans- 9
23. गंगा र सरस्वती एक्ला एक्लै काम गर्दा कुनै
खेत क्रमश: 8 घण्टा र 12 घण्टामा खन्न सक्छन । यदी तिनीहरु पालो पालो गरी एक एक
घण्टा काम गर्छन यदी गंगाले विहान 9 बजे काम शुरु गर्छिन भने पुरै खेत कति बजे
खन्न सकिन्छ । उत्तर-साँझ 6:३० बजे
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