Quantitative Aptitude Quiz For SBI / RBI Main Exam | 20-05-2020

Dear Readers,

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.

Q-(1-5) What value will come in place of question mark (?) in the questions given below?

निम्नलिखित प्रश्नों में प्रश्नचिन्ह (?) के स्थान पर क्या मान आएगा?

(1) 2 + 2² + 2³ + ......... + 2¹² = ?

(1) 8820

(2) 7890

(3) 7920

(4) 8190

(5) None of these


(2) 427 × 427 + 105 × 105 + 4 × 70 = ? – 6400

(1) 2001414

(2) 201824

(3) 200034

(4) 198470

(5) None of these


(3) 450% of 8400 = ? % of 600
(1) 6150

(2) 6250

(3) 6300

(4) 6450

(5) 6425


(4) 892.42 + 204.84 – 379.36 = ? – 3

(1) 681.24

(2) 720.90

(3) 678.20

(4) 672.50

(5) None of these


(5) A person invested a sum of money at simple interest quadruple itself in 12 years. Find in how many years it becomes 11 times itself at the same rate of interest?

एक व्यक्ति कुछ धन साधारण ब्याज की दर पर निवेश करता है और 12 वर्षो बाद धन 4 गुना हो जाता है।ज्ञात कीजिये कि उसी ब्याज दर पर वह धन कितने वर्षो में 11 गुना हो जाएगा।

(1) 40 years

(2) 36 years

(3) 20 years

(4) 16 years

(5) None of these


(6) The weights of six boys in a group are 42.50kg. , 72.40 kg. , 85.42 kg. , 78 kg., 66.4 kg. and 72.4 kg. What are the average weight of six boys?
एक समूह के छः लड़को का वजन क्रमशः 42.50 किग्रा., 72.40 किग्रा., 85.42 किग्रा., 78 किग्रा., 66.4 किग्रा. और 72.4 किग्रा. है | छः लड़कों का औसत वजन कितना है?

(1) 64.52

(2) 59.52

(3) 64.52

(4) 68.52

(5) 69.52

(7) What will be the S.I. accrued on a sum of Rs.9200 at the rate of 6.5 p.c.p.a at the end of 3 years?

9200 रू. पर 6.5 प्रतिशत वार्षिक ब्याज की दर से तीन वर्ष बाद कितना साधारण ब्याज प्राप्त होगा?

(1) Rs. 1594

(2) Rs. 1694

(3) Rs. 1794

(4) Rs. 1584

(5) Rs. 1784


(8) What least number should be added to 9680 to make it a perfect square?

संख्या 9680 को पूर्णवर्ग बनाने के लिए कौन सी छोटी से छोटी संख्या जोड़नी चाहिए ?

(1) 121

(2) 124

(3) 129

(4) 131

(5) 134


(9) In how many different ways can the letters of the word ‘SIGNIFICANT’ be arranged?

शब्द ‘SIGNIFICANT’ के अक्षरों को कितनी विभिन्न तरीको से व्यवस्थित किया जा सकता है ?

(1) 3342600

(2) 3364200

(3) 3326400

(4) 1108800

(5) 1018800

(10) A reduction of 25% in the price of rice enables a person to get 4 kg more on a purchase for Rs 800. Find the reduced rate of rice?

चावल के मूल्य में 25% की कमी करने पर एक व्यक्ति 800 रू. में 4 किग्रा. अतिरिक्त चावल खरीद सकता है, तो चावल का घटा हुआ मूल्य बताइये?

(1) 40 Rs./kg

(2) 50 Rs./kg

(3) 45 Rs./kg

(4) 55 Rs./kg

(5) 60 Rs./kg


Answer Key-

Q-(1) Sol-(4)

a = 2 r = 2
Sum = 2(212–1)/(2–1)
= 2 × 4095 = 8190

Q-(2) Sol-(3)

182329 + 11025 + 280 + 6400 = ?
? = 200034

Q-(3) Sol-(3)

37800=?×6
?=6300

Q-(4) Sol-(2) 1100.26 – 379.36
= 720.90

Q-(5) Sol-(1)

Let the principle is x rupees.

After 12 years the amount will be 4x.

So, 3x=x×12×r/100

r= 25%

From second statement,

10x=x×25×t/100

t= 40 years

Q-(6) Sol-(5)

Required average = 69.52 kg.

Q-(7) Sol-(3)

S.I. = 9200×6.5×3/100 = Rs.1794

Q-(8) Sol-(1)

Required number is 121.

Q-(9) Sol-(3)

Required number of ways =11!/(3!×2!) = 3326400

Q-(10) Sol-(2)

25% of 800 = Rs.200

Cost of 4 kg = Rs.200

Cost of 1 kg = Rs.(200 / 4)

= Rs.50