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.

Time limit: 0

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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?

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

90-72/90 x100= 20%

Incorrect

KFC McDonalds

Dine in 100 81

Delivery 90 72

90-72/90 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=2489.5-2078.07=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=2489.5-2078.07=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=400x-160x=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=400x-160x=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?

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/x-880/140x=4

=>1232-880=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/x-880/140x=4

=>1232-880=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.

100-86 % of 30 kg = 100-80% 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.

100-86 % of 30 kg = 100-80% of x kg

14 % of 30 kg= 20 % of x kg

X= 14/20 ×30=21

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