Quantitative Aptitude Quiz For SBI / RBI Main Exam | 25-05-2020

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Mahendras has started special quizzes for SBI / RBI Main Exam so that you can practice more and more to crack the examination. This SBI / RBI Main Exam quiz series will mold your preparations in the right direction and the regular practice of these quizzes will be really very helpful in scoring good marks in the Examination. Here we are providing you important question of Quantitative aptitude for SBI / RBI Main Exam.




(1) The sum of length, breadth and depth of a cuboid is 19 cm. and its diagonal is 53/2 cm.What will be its surface area?

एक घनाभ की लम्बाई, चौड़ाई और गहराई का योग 19 सेमी. है और इसका विकर्ण 53/2 सेमी. है। इसकी सतह का क्षेत्रफल क्या होगा?

(1) 216

(2) 232

(3) 236

(4) 312

(5) None of these

(2) In a class, there are 24 boys whose age is decreased by 4 months, when one boy aged 20 years is replaced by a new boy. Find the age of the new boy.

एक क्लास में 24 लड़के है जिनकी आयु 4 माह घट जाती है। जब 20 वर्ष के लड़के के स्थान पर एक नया लड़का आ जाता है। नये लड़के की उम्र ज्ञात करो।

(1) 10

(2) 12

(3) 15

(4) 18

(5) None of these

(3) In how many different ways the letters of the word "APTITUTE" can be arranged?
शब्द "APTITUTE" के अक्षरों को अलग-अलग कितने प्रकार से क्रमबद्ध किया जा सकता है?

(1) 6720

(2) 13440

(3) 3360

(4) 1680

(5) None of these

(4) Milk and water are in the ratio of 3:2 in a mixture of 180 litre. How much water should be added so that the ratio of the milk and water becomes 2:3?

180 लीटर मिश्रण में दूध और पानी का अनुपात 3 : 2 है। पानी की कितनी मात्रा और मिलायी जानी चाहिए कि दूध और पानी का अनुपात 2 : 3 हो जाये।

(1) 72

(2) 66

(3) 75

(4) 90

(5) None of these

(5) 12 men complete a piece of work in 24 days. In how many days can eight men complete the same piece of work?

12 आदमी एक काम को 24 दिनों में पूरा करते है। 8 आदमी उसी कार्य को कितने समय में पूरा करेंगें?

(1) 28 days

(2) 36 days

(3) 48 days

(4) 52 days

(5) 30 days

Q-(6-8) What should come in place of question mark (?) in the following number series?

निम्नलिखित संख्या श्रृंखला में प्रश्नवाचक चिन्ह (?) के स्थान पर क्या आयेगा?

(6) 39 200 ? 5030 25155 125780

(1) 1000

(2) 1005

(3) 1010

(4) 1015

(5) 2005

(7) 20736 ? 15552 3888 11664 2916

(1) 6064

(2) 5192

(3) 5092

(4) 5184

(5) 5182

(8) 42875 35937 29791 24389 19683 ?

(1) 15683

(2) 15638

(3) 15668

(4) 15625

(5) 15615

(9) The profit percent earned by selling an article for Rs. 1920 is equal to the loss percent earned by selling the same article for Rs. 1280. At what price should he sell the article so that profit earned is 30%?

किसी वस्तु को रू 1920 में बेचने पर आर्जित प्रतिशत लाभ उसी वस्तु को रू 1280 में बेचने पर हुई प्रतिशत हानि के बराबर है। वस्तु को कितने मूल्य में बेचा जाये कि 30% का लाभ हो?

(1) Rs.2000

(2) Rs.2400

(3) Rs.2280

(4) Rs.2080

(5) Rs.2580

(10) Anushika purchased 23 articles at the rate of Rs 160 per article. At what rate per articles should she sell the article so that profit earned is 15%?

मीरा ने 23 वस्तुएं रू 160 प्रति वस्तु की दर से खरीदा। प्रति वस्तु वह किस दर पर बेचे कि उसे 15% का लाभ हो?

(1) Rs.184

(2) Rs.186

(3) Rs.192

(4) Rs.198

(5) Rs.196


Answer Key-
Q-(1) Sol-(3)
l+b+h = 19 _____(I)
l2+b2+h2 = 125 _____(II)
Squaring equation (I)
(I+b+h)2 = 361
(I+b+h)2 – SA = (l2+b2+h2)
(l2+b2+h2) = 361 – 125
= 236 cm2

Q-(2) Sol-(2)

Age of new person = Age of one moved person – Number of persons × Decreased in average
= 20 – 24×4/12
= 20 – 8
= 12 years

Q-(3) Sol-(1)

No. of ways  = 6720 

Q-(4)    Sol-(4)

Milk = 108 litre
 Water = 72 litre
 108/(72+x)=2/3
 144+2x = 324
 2x = 180
 x = 90 litres

Q-(5)    Sol-(2)

Let 8 men can do the work in x days.
so according to the equation
12×24 = 8×x
x = 36 days

Q-(6) Sol-(2)

×5+5, ×5+5, ×5+5, ×5+5, ×5+5

Q-(7) Sol-(4)

÷ 4, × 3, ÷ 4, × 3, ÷ 4

Q-(8) Sol-(4)

(35)³, (33)³, (31)³, (29)³, (27)³, (25)³

   Q-(9)    Sol-(4)

Cost price = (3200/2) =Rs.1600
Required selling price = 1600 × (130/100)= Rs.2080

 Q-(10)  Sol-(1)

Selling price = 160 × (115/100)= Rs.184