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Sagnik Chakraborty
Subject: Maths
, asked on 12/1/18
A and B can complete a piece of work in 12 days;similar work can be done alone by B and C in 20 days and same for C and A.Find, collectively when they can complete the work .
Answer
1
Sagnik Chakraborty
Subject: Maths
, asked on 12/1/18
A can complete a whole work in 12 days.B can complete a whole work in 15 days.C can complete a whole work in 9 days.Calculate the ratio of their efficiencies.
Answer
1
Sandipan
Subject: Maths
, asked on 10/1/18
Answer the question.
Don't give links plz
Q.2. If x and y vary inversely, fill in the following blanks :
(i)
(ii)
Answer
1
Sandipan
Subject: Maths
, asked on 9/1/18
Define Direct proportion.Explain
very briefly
Answer
1
Punya Purushottam
Subject: Maths
, asked on 6/1/18
Q. If A:B =3:4, B:C =7:9, then what is the ratio of A:B:C?
Answer
2
Punya Purushottam
Subject: Maths
, asked on 6/1/18
Question number 2 explain in detail and no links needed
Answer
1
Punya Purushottam
Subject: Maths
, asked on 6/1/18
Question number 4 in picture explain in detail and no links needed
$4.Tocompleteajob,PtakeshalfaslongasQandRtogethertakes.Qtakes3timesaslong\phantom{\rule{0ex}{0ex}}asPandRtogethertake.Allthe3togethercancompletethejobin\frac{20}{3}days.Findtime\phantom{\rule{0ex}{0ex}}taenbyeachofP,QandRtocompleteit\phantom{\rule{0ex}{0ex}}\left(A\right)10,60,30\left(B\right)30,10,25\phantom{\rule{0ex}{0ex}}\left(C\right)35,60,65\left(D\right)20,30,40$
Answer
3
Punya Purushottam
Subject: Maths
, asked on 6/1/18
Question number 3 in picture please answer fast no links needed explain in detail
$3.Ifzvariesaspx+yandifz=3whenx=1andy=2andz=5.whenx=2andy=3findp\phantom{\rule{0ex}{0ex}}\phantom{\rule{0ex}{0ex}}\left(A\right)2\left(B\right)1\phantom{\rule{0ex}{0ex}}\left(C\right)3\left(D\right)4$
Answer
1
Punya Purushottam
Subject: Maths
, asked on 6/1/18
Question number 2 in picture explain in detail and no links needed
$2.Ifxvariesdirectlyasyandinverselyaszandifx=aandy=bandz=cfindxwheny={b}^{2}andz={c}^{2}\phantom{\rule{0ex}{0ex}}\phantom{\rule{0ex}{0ex}}\left(A\right)\frac{ab}{c}\left(B\right)\frac{bc}{a}\phantom{\rule{0ex}{0ex}}\left(C\right)\frac{ac}{b}\left(D\right)abc\phantom{\rule{0ex}{0ex}}$
Answer
2
Kartik Raj
Subject: Maths
, asked on 5/1/18
Q.15. Two trains 150 m and 120 m long moving in same direction at 72 km/hr and 36 km/hr respectively on parallel tracks. How Iong would it take the faster train to cross slower train?
Answer
2
Kartik Raj
Subject: Maths
, asked on 5/1/18
Q.14. Two trains of length 150 m and 120 m are moving in opposite directions, on parallel lines, at a speed of 72 km/hr and 36 km/hr respectively. In what time will they cross each other?
Answer
1
Kartik Raj
Subject: Maths
, asked on 5/1/18
Q.13. Hritik goes to school at a rate of 4 km/hr and reaches 9 minutes late. If he goes by rickshaw at the speed of 5 km/hr, he reaches 6 minutes early. What is the distance to school?
Answer
1
Avinash
Subject: Maths
, asked on 1/1/18
please solve q6 part 1 . i dont know
Answer
3
Shruti Sampoorna Mishra
Subject: Maths
, asked on 21/12/17
A can do a piece of work in 10 days and B can do the same work in 15 days. They work together for 3 days and then B leaves. In how many days will A alone complete the remaining work?
Answer
1
Sandipan
Subject: Maths
, asked on 21/12/17
AT A CAMP THERE IS ENOUGH FOOD FOR 156 SCOUTS FOR 15 DAYS.
1)HOW MANY DAYS THE FOOD WILL LAST IF 39 MORE SCOUTS ARE ADDED.
2)HOW MANY SCOUTS SHOULD GO IF THE FOOD IS TO BE LAST FOR 26 DAYS.
Answer
3
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What are you looking for?

Don't give links plz

Q.2. If x and y vary inversely, fill in the following blanks :

(i)

(ii)

very briefly

Q. If A:B =3:4, B:C =7:9, then what is the ratio of A:B:C?

$4.Tocompleteajob,PtakeshalfaslongasQandRtogethertakes.Qtakes3timesaslong\phantom{\rule{0ex}{0ex}}asPandRtogethertake.Allthe3togethercancompletethejobin\frac{20}{3}days.Findtime\phantom{\rule{0ex}{0ex}}taenbyeachofP,QandRtocompleteit\phantom{\rule{0ex}{0ex}}\left(A\right)10,60,30\left(B\right)30,10,25\phantom{\rule{0ex}{0ex}}\left(C\right)35,60,65\left(D\right)20,30,40$

$3.Ifzvariesaspx+yandifz=3whenx=1andy=2andz=5.whenx=2andy=3findp\phantom{\rule{0ex}{0ex}}\phantom{\rule{0ex}{0ex}}\left(A\right)2\left(B\right)1\phantom{\rule{0ex}{0ex}}\left(C\right)3\left(D\right)4$

$2.Ifxvariesdirectlyasyandinverselyaszandifx=aandy=bandz=cfindxwheny={b}^{2}andz={c}^{2}\phantom{\rule{0ex}{0ex}}\phantom{\rule{0ex}{0ex}}\left(A\right)\frac{ab}{c}\left(B\right)\frac{bc}{a}\phantom{\rule{0ex}{0ex}}\left(C\right)\frac{ac}{b}\left(D\right)abc\phantom{\rule{0ex}{0ex}}$

AT A CAMP THERE IS ENOUGH FOOD FOR 156 SCOUTS FOR 15 DAYS.1)HOW MANY DAYS THE FOOD WILL LAST IF 39 MORE SCOUTS ARE ADDED.

2)HOW MANY SCOUTS SHOULD GO IF THE FOOD IS TO BE LAST FOR 26 DAYS.