JAI HIND IAS ACADEMY
TNPSC Model Question Paper
1. A can do a work in 12 days; B in 6 days and C in 3 days. A and B start working together and after a day C joins them. The total number of days required to complete the work is
A xU
ntiyia 12 ehl;fspYk; B
kw;Wk; C mnj
ntiyia 3 ehl;fspYk; Kof;fpd;wdh;/ At[k; Ba[k; nrh;e;J ntiyia bjhl';fp xU ehSf;F gpwF C mth;fSld; te;J nrh;fpwhh;
vdpy; me;j ntiyia Kof;f bkhj;jk; vj;jid ehl;fs; njitg;gLk;?
A) 2 2/7 days B) 1 2/7 days
C) 2 1/7 days D) 1 1/7 days
2. A and B can together
finish a work in 30 days. They worked at it for 20 days and then B left. The
remaining work was done by A alone in 20 more days. A alone can finish the work
in
At[k;
Ba[k;
nrh;e;J xU ntiyia 30 ehl;fspy; Kof;fpd;wdh;/ mth;fs; 20 ehl;fs; ntiy ghh;j;j gpwF
B
brd;WtpLfpwhh;/ kPjKs;s ntiyia B kl;Lk; Kof;f A
,d;Dk; 20 ehl;fs; vLj;Jbfhs;fpwhh; vdpy; A kl;Lk; mt;ntiyia Kof;f
vj;jid ehl;fs; vLj;Jf; bfhs;thh;?
A) 48 days B) 50
days
C) 54 days D) 60
days
3. A and B can
together do a piece of work in 30 days. B alone can do it in 40 days. A alone
can do it in
A
kw;Wk; B
,UtUk; nrh;e;J xU ntiyia 30 ehl;fspy; Kof;fpd;wdh;/ B
kl;Lk; mt;ntiyia Kof;f 40 ehl;fs; vLj;Jf;bfhs;fpwhh; vdpy; A
kl;Lk; mt;ntiyia Kof;f vj;jid ehl;fs; vLj;Jf; bfhs;thh;?
A) 100 days B) 140
days
C) 120 days D) 180
days
4. A and B together
can do a work in 6 days. B can do the same work in 15 days. In how many days
can A do the same work?
A
kw;Wk; B
,UtUk; nrh;e;J xU ntiyia 6 ehl;fspy; Kof;fpd;wdh;/ B
kl;Lk; mt;ntiyia 15 ehl;fspy; Kof;fpd;whh; vdpy; A
kl;Lk; mt;ntiyia Kof;f vj;jid ehl;fs; vLj;Jf; bfhs;thh;?
A) 10 days B) 9
days
C) 7 days D)
20 days
5. A and B can
together do a piece of work in 15 days. B alone can do it in 20 days. A alone
A
kw;Wk; B
,UtUk; nrh;e;J xU ntiyia 15 ehl;fspy; Kof;fpd;wh;/ B
kl;Lk; mt;ntiyia 20 ehl;fspy; Kof;fpd;whh; vdpy; A
kl;Lk; jdpna bra;a vj;jid ehl;fs; vLj;Jf;bfhs;thh;?
A) 30 days
B) 40 days
C) 45 days
D) 60 days
6. A and B can do a
work in 8 days, B and C in 12 days, C and A in 24 days. If A, B and C work
together, then the number of days, they will complete the work is
A
kw;Wk; B
,UtUk; nrh;e;J xU ntiyia 8 ehl;fspYk;. B kw;Wk; C
,UtUk; nrh;e;J xU ntiyia 12 ehl;fspYk;. C kw;Wk; A
nrh;e;J xU ntiyia 24 ehl;fspYk; Kof;fpd;wdh; vdpy; A, B, C
|tUk; nrh;e;J mt;ntiyia Kof;f vj;jid ehl;fs; vLj;Jf; bfhs;th;?
A) 6 B)
7
C) 8 D)
4
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