Recent Answer : Added by Admin On 2020-05-17 12:03:12:
1*2=2
2*2=4
2*4=8
8*4=32
Ans : 32
Ques:- The price of sugar increases by 20%, by what % should a housewife reduce the consumption of sugar so that expenditure on sugar can be same as before ?(a) 15%(b) 16.66%(c) 12%(d) 9%
Recent Answer : Added by Rk On 2021-08-25 14:15:42:
(b) 16.66%
Earlier for ₹x we could purchase y gm of sugar.
Now we pay ₹1.2x for y gm of sugar
(As there was an increase in price so, x + 20%x = 1.2x)
At current rates for ₹x you can purchase y/1.2 gm of sugar
So the reduced consumption is y-(y/1.2)
Percentage change = (reduced consumption/ original consumption ) *100
That is (0.2/1.2) *100 = 16.66% (approx)
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Ques:- A man can row with a speed of 15 kmph in still water. If the stream flows at 5 kmph, then the speed in downstream is?
Recent Answer : Added by isha On 2020-11-08 02:14:20:
20
speed of downstream=speed at still water+flow
= 15+5=20
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Ques:- There are 5 burglars and once went to a bakery to rob it obviously The first guy ate 1/2 of the total bread and 1/2 of the bread. The second guy ate 1/2 of the remaining and 1/2 of the bread. The third guy ,fourth guy and fifth guy did the same. After fifth guy there is no bread left out. How many bread are there?
Recent Answer : Added by Admin On 2020-05-17 12:04:12:
let the total no of breads be x.
1st man 2nd man
x- (x/2) – 1/2 – 1/2((x-1)/2) – 1/2 ….. so on.
ans is 31.
first ate : 15.5 + .5 = 16 remaining 15
second ate : 7.5+0.5 = 8 remaining 7.
third ate : 3.5 +0.5 = 4 remaining 3.
fourth ate : 1.5 + 0.5 = 2 remaining 1
fifth ate : 0.5 + 0.5 = 1 remaining 0
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Ques:- Four car rental agencies P, Q, R and S rented a plot for parking their cars during the night. P parked 15 cars for 12 days, Q parked 12 cars for 20 days, R parked 18 cars for 18 days and S parked 16 cars for 15 days. If P paid Rs. 1125 as rent for parking his cars, what is the total rent paid by all the four agencies?
Ques:- A rich merchant had collected many gold coins. He did not want anybody to know about them. One day his wife asked, “How many gold coins do we have?” After pausing a moment, he replied, “Well! If I divide the coins into two unequal numbers, then 32 times the difference between the two numbers equals the difference between the squares of the two numbers.”The wife looked puzzled. Can you help the merchant's wife by finding out how many gold coins they have?
Recent Answer : Added by siva On 2022-01-08 16:06:13:
I think it’s 32 not 37
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Ques:- In what ratio must a grocer mix two varieties of pulses costing Rs. 15 and Rs. 20 per kg respectively. So as to get a mixture worth Rs. 16.5/kg?
A. 3 : 7
B. 5 : 7
C. 7 : 3
D. 7 : 5
Recent Answer : Added by kishan sah On 2022-09-02 17:04:57:
7:3
Ques:- A batsman average was 15.at last innings he took 23 runs then his average became 16.how much run he should take to make his average 18?
Recent Answer : Added by Admin On 2020-05-17 12:02:21:
((15 X m) + 23)/(m+1)= 16
solving , we get number of matches (m) as 7 (excluding last
match)
so he shud hit 39 runs in last innings to ake average to 18
Ques:- if 30 men completes a job in 15 days working 9 hrs per day.. how much hours per day should 40 men work ??
Recent Answer : Added by Admin On 2020-05-17 12:04:31:
as i assume the time taken to complete the job is not to be
changed while increasing the employees as it does not
clearly states so……….
30 men wrk for 9 hrs
therefore for the work to be done if no of workers is
increases the no of hrs / day to work should decrease so
here s a inverse relation
solving further we get
30 = K /9 ==> K= 270
now
40 = 270/y ==> y= 6.75
therefore ans is d)none
Ques:- X and Y began business with Rs.3000 and Rs.4000 after 8 months, X withdraws Rs.1000 and Y advances Rs.1000 more. At the end of the year, their profits amounted to Rs.630 find the share of X.
Recent Answer : Added by Sandesh Bhat On 2021-08-13 16:27:09:
240.
X : (3000 x 8) + (2000 x 4) = 32000
Y : (4000 x 8) + (5000 x 4) = 52000
X:Y = 32000:52000 = 8:13
8k + 13k = 630
k = 30
X:8 x 30 = 240
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Recent Answer : Added by Nathan Abebe On 2022-04-02 07:00:00:
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1*2=2
2*2=4
2*4=8
8*4=32
Ans : 32