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- Current Awareness
- Computer

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gud eve frnds

gud evening

2. In an examination a student who gets 20% of the maximum marks fails by 5 marks. Another student who scores 30% of the maximum marks gets 20 marks more than the pass marks. The necessary percentage required for passing isA) 32%

B) 23%

C) 22%

D) 20%

22

C) 22%A contactor undertakes to make a road in 40 days and employs 25 men. After 24 days, he finds that only one-third of the road is made. How many extra men should he employ so that he is able to complete the work 4 days earlier?A) 100

B) 60

C) 75

D) 55

cc

C)75A retailer buys 40 pens at the marked price of 36 pens. If he sells these pens giving a discount of 1%, what is the profit percent?A. 9%

B. 10%

C. 11%

D. 12%

bbb

solution bhi dena sath me mera maths week h

O-O

B. 10%Explanation:

Let MP of 1 pen = Re 1

CP of 40 pens = MP of 36 pens = Rs 36

MP of 40 pens = Rs 40

So after discount of 1%, SP of 40 pens = 99/100 * 40 = Rs 39.6

So profit% = (39.6 – 36) / 36 * 100 = 10%

cp=36 sp = 39.6

p% = 3.6/26*100=10%

bbb

8. A can cultivate 2/5th of the land in 6 days and B can cultivate 1/3rd of the same land in 10 days. Working together A and B can cultivate 4/5th of the land in how many days?A) 4 days

B) 5 days

C) 8 days

D) 10 days

ccc

ddd

15*30/45=10 days

4/5 =8 days

C) 8 daysExplanation:

A can cultivate 2/5th of the land in 6 days, so whole land in 5/2 * 6 = 15 days.

B can cultivate 1/3th of the land in 10 days, so whole land in 3/1 * 10 = 30 days.

A and B together can complete whole land in 15*30/(15+30) = 10 days.

So 4/5th land in 4/5 * 10 = 8 days

A does half as much work as B in one sixth of the time. If together they take 10 days to complete a work, how many days shall B take to do it alone?A) 70

B) 30

C) 40

D) 50

cc

C) 40Explanation:

Let B do whole work in ‘x’ days.

A does ½ work in x/6 days, so whole work in 2x/6 = x/3 days

Together they take 10 days, so x * x/3 / (x+x/3) = 10

Solve, x = 40 days

Oranges are bought at 7 for Rs 3. At what rate per hundred must they be sold to gain 33%?A) Rs 56

B) Rs 57

C) Rs 58

D) Rs 60

57?

bbb

B) Rs 577 for Rs 3, so for 1 Re oranges are 7/3

So for Re 1 to gain 33%, number of oranges sold = 7/3 * 100/(100+33) = 100/57

So per hundred oranges = 57 Rs

2222

100*3*133/7*100=57

10. The selling price of an article is marked at 20% above the cost price. At the time of selling, he allows a discount of 8%. His profit percent is:A. 20%

B. 10.4%

C. 8.6%

D. 12%

bb

222b

bbb

B. 10.4%Explanation:

Use M.P. = (100 + p%)/(100 – d%) * C.P.

MP is 20% above CP.

120/100 C.P. = (100 + p%)/(100 – 8) * C.P.

solveing we getp = 10.4%

100*6/5*92/100=110.4

The ratio of income of A and B is 2:3. The sum of their expenditure is Rs.8000 and the amount of savings of A is equal to the amount of expenditure of B.What is the their ratio of sum of income to their sum of savings?A.5:3

B.3:2

C.4:3

D.3:1

E.None of these

sol??? mujhe to nhi ata ye

Answer A.5:3Explanation :

2I-E + E = 8000

I = 4000

Sum of their Income = 5*I = 5*4000 = 20,000

Sum of their Savings = 20000-8000 = 12,000

20000:12000 = 5:3

2I-E + E = 8000

line samaj nhi aayi

2i = sum of income

sum of saving of one is = sum of expenditure of other so 2e taken

2…………………………………….3.

X…………………………………….Y……….8000

Y……………………………………..Z

2X-Y====-8000-Y

X===4000

There are two numbers. When 25% of the first number is added to the second number, the resultant number is 1.5times th first number.What is the ratio of 1st number to the 2nd number ?A.3:5

B.5:4

C.4:5

D.2:3

E.None of these

ccc

cc

Answer – C.4:5Explanation :

A+25/100 + B = 1.5A

A/4 + B = 15A/10

10A+40B/40 =60A/40

10A+40B = 60A

50A = 40B

A/B = 4/5

3333

An HR Company employs 4800 persons, out of which 45 percent are males and 60 percent of the males are either 25 years or older. How many males are employed in that HR Company who are younger than 25 years?

1) 2640

2) 2160

3) 1296

4) 864

444

444

8647x^2 – 43x + 60 = 0;2y^2 – 17y + 36 = 0

A. x ≤ y

B. x ≥ y

C. x > y

D. No relationship

aa

areyr

ddd

galt ho gya :((

x = 15/7 , 4

y = 9/2 , 4

aa rha hai na

hmm mene 7 ko 2 le liya tha so wrong ho gya mera

kuch dikh nhi rha mujhe ???

111

A. x ≤ yExplanation:7×2 – 43x + 60 = 0

7×2 – 28x – 15x + 60 =0

7(x-4) – 15(x-4) = 0

x = 4, 15/7

2y2 – 17y + 36 = 0

2y2 – 8y – 9y + 36 = 0

2(y-4) – 9(y-4) = 0

y = 4, 9/2

In an examination, 30% of the total students failed in Hindi, 45% failed in English and 20% failed in both the subjects. Find the percentage of those who passed in both the subjects.

1) 35.7%

2) 35%

3) 40%

4) 45%

45

45%

kese sol karete yese ques

plz tips do

mujhe bhi ni ata ye but ese shayd 45+20+30-40=55

100-55=45%

ty 🙂

failed in both= 20%

means fail in only hindi=30-20=10%

fail in only eng =45-20=25%

means fail in atleast 1 subject =20+10+25=55%

remaining students are passed in both subject=100-55=45%

ty

100-(x+y-z)

45%pre in???

how to solve?https://uploads.disquscdn.com/images/d8f4235324fd5660a9cdd8b52ce870a95f1a2d60cc276c1edde9d115bb93466d.jpg

6/11?

bbb

2222

total……………………………..60

a………………………………..2

b……………………………..3

c……………………………….6

in 3 min. a……………….6

b………………………..9

c……………………….18

so r=18/33=6/11

wahh…

:)) dekha mujhe thoda boht maths ata hai :))

tum cutoff badhati ho bas 😛

:))

If 12 men and 16 boys can do a piece of work in 5 days; 13 men and 24 boys can do it in 4 days, then the ratio of the daily work done by a man to that of a boy is

A. 1 : 2

B. 2 : 1

C. 3 : 2

D. 5 : 4

bbb

provide the sol.

2:1sol???

(12m+16b)*5 = (13m+24b)*4

m = 2b

??? https://uploads.disquscdn.com/images/acfc81c692611b2c91ebf2b71d9a0220e2e5f3c9f605fa2f4639684a87828d2e.jpg

cc

solution??

2/7 9/16

1/2

7 8

8. A car owner buys petrol at Rs 4, Rs 5 and Rs 6 per litre for three successive years. What approximately is the average cost per litre of petrol if he spends Rs 2400 each year?A. Rs 4.86

B. Rs 4

C. Rs 5

D. Rs 6

ye kaise hoga ??????

aa?

aaa

avg cost = total amount spend on petrol/ total quantity of petrol

petrol quantity in year 1=2400/4=600 L

Q2=2400/5=480L

Q3=2400/6=400L

avg cost=3*2400/(600+480+400)=4.86

720/148

A boat can travel with a speed of 13 km/hr in still water. If the speed of the stream is 4 km/hr, find the time taken by the boat to go 68 km downstream.A. 2 hours

B. 4 hours

C. 3 hours

D. 5 hours

bbb

bb

22

4 hoursbbbbbbbbbbbb

A shopkeeper sells an item at 20% profit but uses a weight of 1200 gm instead of 1 kg. Find hid net profit/loss %.A. 15%

B. 12.5%

C. 10%

D. 0%

ddd

sol

sp=120%

cp=120%

profit=0

0%NO PROFIT NO LOSS

By selling an item at 7/10th of the actual selling price, a trader makes a profit of 20%. If he sells the product at 20% less than the actual selling price, then what will be the profit or loss %?A. 30%

B. 20%

C. 37 1/7%

D. 33 1/3%

ccc

333

C) 37 1/7%700…………….840

700…………….1200 ORIGNAL

960-700====260/7

37//7 ANS

Focus more on that questions which you are unable to solve in one attempt.#Error-Detection

:)))

He is serving (A) / under me for (B) / the last several years but (C) / I cannot claim even today that I have understood him thoroughly.(D) / No error(E)

aaaa

bbbb

he has been

1111

A) he has been serving….several years se kaam raha hai abhi tak …isliye has been.. present continous

She never (A) / minds the children (B) / to play (C) / in the garden. (D) / No error(E)

cccc

ne

C) to play=>playingDo not (A) / get down the bus (B) / till it (C) / will stop. (D) / No error.(E)

ddd

delete will

and change stop to stops

D) will stop=>stopsHe insisted (A) / on (B) / to go (C) / there. (D) / No error.(E)

remove on??

ya going??

222

C) to go=>goingI will not move (A) / from here (B) / until (C) / you will get back.(D) / No error.(E)

shall

you get back

i ke saath will aa sakta hai for determination??

D) remove willThats it for today…Utilize this platform to the fullest, by getting ur doubts cleared and solving various questions.

Unique questions framed by Shubhra Mam will be useful for all exams..

Gudnyt

thankuu good night :))

thanku sir

gud nt

thnx

abhi or koi quiz hogi kya

u can start 😀

health issue

so i cant

oo ok ok

What is the marked price of the article?

Statement I →The article is sold at 15% discount on market price still making a gain of 16 Rs

Statement II →The difference between the marked price and selling price is 50% more than the difference between Selling price and cost price.

ans ?

apka ans ?

mujhe samaj he nhi aara to mera skip

BOTH

gud eve sir

GE EVE

how

ANS KHA HAI WESSE ??

?????

BTA DO KK SRY 🙁

ans nhi pta

BOTH ??

both needed

how.

let mp=x

15% discount on mp

so sp=x*75/100=3x/4

cp=3x/4-16

in stmt II, mp-sp=(sp-cp)+50

x-3x/4=(3x/4-(3x/4-16))+50

solve this /

correct???

solve aap hi krke do

66

15% hna ?

sry sry 136 ans 🙂

aapne 10% kyu liya

mai galti se kar diya…but method ye hi hai…

thanx..

15% discount

ohoo..hn wese hi hoga…mai 75 ka kar diya

method yehi hai..but solution galat hai mera

neither hona chahye

sir kese?

statement 1 se suppose

MP=100x

SP= 85x

CP=85x-16

2nd se

MP-CP=3/2(SP-CP)

15x=3/2 16

find x and get MP

so both

yes sir,,,mera 2nd stmt ka equation galat tha,, sry

thank u

wait maine ek line miss kr di

both hoga

both hoga????

gud night frnds

gnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn 🙂

After replacing an old member by a new member, it was found that the average age of four members of a family is the

same as it was 3 year ago. What is the difference between the ages of the replaced and the new member ?