Hello and welcome to exampundit. Here is a set of Quantitative Aptitude Quiz for SBI PO Prelims 2019 on Percentage Problems.
Along with Reasoning, We will be providing good level Quantitative Aptitude Problems. Quantitative Aptitude needs a lot of practice and calculations. We have already given you an article on How to Score Maximum in Quantitative Aptitude. These Quantitative Aptitude quizzes will help you get past SBI PO Prelims 2019.
Percentage – 1 – Quantitative Aptitude Quiz 2019
The following Quantitative Aptitude Quiz has 10 questions from Percentage Problems with 8 minutes.
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The following questions are created as per the recent trends and level of SBI PO Prelims 2019.
Test Name: Percentage Quiz for SBI PO Prelims 2019
Duration: 8 min
Level: Moderate
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Question 1 of 10
1. Question
In a restaurant there are 3 chefs C1 , C2 and C3 which cook 35% , 15% and 50% of the dishes respectively. C1, C2 and C3 cook 1%, 2% and 4% burnt dishes respectively. What is the approximate percentage of good unburnt dishes?
Correct
(35×0.99)+( 15×0.98)+(50×0.96)/ 100 ×100= 79.9+13.5+46=97.35=97% approx
Incorrect
(35×0.99)+( 15×0.98)+(50×0.96)/ 100 ×100= 79.9+13.5+46=97.35=97% approx

Question 2 of 10
2. Question
Everyday a pizza maker sells half of his stock, 10 % of the stock gets spoiled overnight. If 2400 pizzas spoiled over 3 nights. Then, how many pizzas did he start with on the first day?
Correct
Day Initial
Sold Remaining for overnight Spoiled For next day stock 1 X 0.5x 0.5x 0.05x (10%) 0.45x 2 0.45x 0.225x 0.225x 0.0225=0.023x 0.202x 3 0.202x 0.101x 0.101x 0.0101x=0.01x Total spoiled=0.05x+0.023x+0.01x=0.083x=2400
=>x=28915.66=28916 approx
Incorrect
Day Initial
Sold Remaining for overnight Spoiled For next day stock 1 X 0.5x 0.5x 0.05x (10%) 0.45x 2 0.45x 0.225x 0.225x 0.0225=0.023x 0.202x 3 0.202x 0.101x 0.101x 0.0101x=0.01x Total spoiled=0.05x+0.023x+0.01x=0.083x=2400
=>x=28915.66=28916 approx

Question 3 of 10
3. Question
KFC gives 19 % less discount then McDonalds on purchase of same amount of items on dine in facilities. Again, the delivery facilities of McDonald gives 10% less discount then its dine in on same amount of purchase. Similarly, the delivery facilities of KFC gives 11.11% less discount than its dine in. How much percent less discount we get from KFC delivery facilities than those of delivery facilities of McDonalds?
Correct
KFC McDonalds
Dine in 100 81
Delivery 90 72
9072/90 x100= 20%
Incorrect
KFC McDonalds
Dine in 100 81
Delivery 90 72
9072/90 x100= 20%

Question 4 of 10
4. Question
In Bose family, the ratio of expenses to the savings is 5:3. But the expenses increased by 60% and income increased by 25%. Thus there comes a deficit of ₹ 3500 in savings. The increased income of the family is ?
Correct
Income = exp + saving
Deficit = 2x=rs 3500
 Increased income=10x=10×3500=35000
Incorrect
Income = exp + saving
Deficit = 2x=rs 3500
 Increased income=10x=10×3500=35000

Question 5 of 10
5. Question
Mr Banerjee after selling 6.5 % stock at ₹ 90 gets ₹.34500. Then he invested 1/3 of the amount in 3.5% stock at ₹90, 2/5 of the amount at₹110 in 5% stock and the remaining in 6% stock at ₹ 55. The change in his income is?
Correct
Let Mr. Banerjee has x % of shares at 6.5%
X×90=34500
X=383 shares.
Income=383×6.5=2489.5
After investment his income is ( 1/3 × 34500/90 × 3.5) + ( 2/5 × 34500/110 ×5)
+(4/15×34500/55 ×6)= 447.2 +627.27+1003.6=2078.07
Loss=2489.52078.07=411.43 rs
Incorrect
Let Mr. Banerjee has x % of shares at 6.5%
X×90=34500
X=383 shares.
Income=383×6.5=2489.5
After investment his income is ( 1/3 × 34500/90 × 3.5) + ( 2/5 × 34500/110 ×5)
+(4/15×34500/55 ×6)= 447.2 +627.27+1003.6=2078.07
Loss=2489.52078.07=411.43 rs

Question 6 of 10
6. Question
X % of the students in a picnic paid the money. Y % of these students are girls and z % of the students who did not pay the money are boys. The % of boys who paid money over the boys who did not pay money is:
Correct
Put values and then verify.
Incorrect
Put values and then verify.

Question 7 of 10
7. Question
In an organization, 60 % of the employees are male and 48% are chefs and 66.6 % of these chefs are men. The percentage of women who are not chefs –
Correct
Men Women
600x 400x
Total chef= 480x
Male chefs= 480x×0.66=320x
Women chefs=160x
Women who are not chef=400x160x=240x
240/400 ×100= 60%
Incorrect
Men Women
600x 400x
Total chef= 480x
Male chefs= 480x×0.66=320x
Women chefs=160x
Women who are not chef=400x160x=240x
240/400 ×100= 60%

Question 8 of 10
8. Question
Alok, Bilal , Chandni and dolly purchased a complex for ₹ 56 lakhs. The payment by Bilal, Chandni and dolly is 460% of that of Alok alone. The payment by Alok, Chandni and dolly together is 366.66% of Bilal’s payment. The payment by Chandni is 40% of payment of Alok, Bilal and dolly together. The amount paid by dolly alone is?
Correct
A+B+C+D=56
B+C+D=4.6A
A+B+C+D=5.6A( ADDING A BOTH SIDES)
56 LAKH=5.6A
A=10 LAKHS
SIMILARLY, A+C+D=11/3 B
A+B+C+D=14/3 B
B=12 LAKH 9A+B+C+D=56)
AGAIN,
4(A+B+D)=C
A+B+D=2.5C
A+B+C+D=3.5C
C=16 LAKH
THEREFORE, (A+B+C+D)(A+B+C)=56(10+12+16)=18 LAKH
Incorrect
A+B+C+D=56
B+C+D=4.6A
A+B+C+D=5.6A( ADDING A BOTH SIDES)
56 LAKH=5.6A
A=10 LAKHS
SIMILARLY, A+C+D=11/3 B
A+B+C+D=14/3 B
B=12 LAKH 9A+B+C+D=56)
AGAIN,
4(A+B+D)=C
A+B+D=2.5C
A+B+C+D=3.5C
C=16 LAKH
THEREFORE, (A+B+C+D)(A+B+C)=56(10+12+16)=18 LAKH

Question 9 of 10
9. Question
Due to an increase of 40% in the price of brinjals, 4 brinjal less are available for rs. 8.80. the present rate of brinjals per dozen is?
Correct
Let original price per brinjal=rs x
Increased price= 140x/100
8.80/x=8.80/140x/100=>8.80/x880/140x=4
=>1232880=4×140x => 352=560x
X=0.63
Present price per dozen= 12× 140/100 × 0.63=10.60
Incorrect
Let original price per brinjal=rs x
Increased price= 140x/100
8.80/x=8.80/140x/100=>8.80/x880/140x=4
=>1232880=4×140x => 352=560x
X=0.63
Present price per dozen= 12× 140/100 × 0.63=10.60

Question 10 of 10
10. Question
A large fish weighs 30 kg with 86 % weight being water. It was dried in the sun and then only 80% of its weight is water. Its reduced weight will be?
Correct
Let reduced weight be x
Tha pert of weight other than water remains same.
10086 % of 30 kg = 10080% of x kg
14 % of 30 kg= 20 % of x kg
X= 14/20 ×30=21
Incorrect
Let reduced weight be x
Tha pert of weight other than water remains same.
10086 % of 30 kg = 10080% of x kg
14 % of 30 kg= 20 % of x kg
X= 14/20 ×30=21
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