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 following question?
निम्नलिखित प्रश्न में प्रश्नवाचक चिन्ह (?) के स्थान पर क्या आयेगा?
(1) 80% of 20 + 66.66% of 324 + 60% of 35 = ?
(1) 271
(2) 256
(3) 262
(4) 253
(5) 244
(2) (?)2 + 93 = 312 – 7
(1) 15
(2) 31
(3) 3
(4) 35
(5) 7
(3) (30)2 – (28)2 – (36)2 + (10)3 – (9)3 = ?
(1) – 898
(2) – 909
(3) – 885
(4) – 920
(5) – 881
(4) 67 × 25 + 22 × 29 + 31 × 35 = ? × 11 + 10
(1) 315
(2) 314
(3) 311
(4) 312
(5) 308
(5) 60+ 9 × 15 = ? +50– 23
(1) 150
(2) 165
(3) 168
(4) 189
(5) 186
Q-(6-8) Study the given information carefully to answer the questions.
In education industry, the growth of the industry is driven by the increase in the number of people buying online and the increase in the number of people selling online. In 2019, it was expected that total 100 million people would buy products online in India that would be 20% of the total population of India and 2% of the total population of India would sell products online. If in 2020, the population of India was increased by 10% over the previous year together with the total number of people who bought products online was increased by 20% over the previous year and the number of sellers remained constant then in the year 2020 the Industry revenue was $ 50 billion.
प्रश्नों का उत्तर देने के लिए दी गई जानकारी का ध्यानपूर्वक अध्ययन करें।
शिक्षा उद्योग में, उद्योग की वृद्धि, ऑनलाइन खरीदने वाले लोगों की संख्या में वृद्धि और ऑनलाइन बिक्री करने वाले लोगों की संख्या में वृद्धि से प्रेरित है। 2019 में, यह उम्मीद की गई थी कि भारत में कुल 100 मिलियन लोग ऑनलाइन उत्पाद खरीदेंगे, जो भारत की कुल आबादी का 20% होगा और भारत की कुल आबादी का 2% ऑनलाइन उत्पाद बेचेंगे। यदि 2020 में, भारत की जनसंख्या में पिछले वर्ष की तुलना में 10% की वृद्धि हुई थी, तो कुल उत्पादों की संख्या के साथ ऑनलाइन खरीदने वालों की संख्या में पिछले वर्ष की तुलना में 20% की वृद्धि हुई थी और विक्रेताओं की संख्या स्थिर रही, अतः वर्ष 2020 में उद्योग का राजस्व $ 50 बिलियन था।
(6) In 2019, what was the total number of people from India who sold the products online?
2019 में, भारत के कुल कितने लोग थे जिन्होंने उत्पादों को ऑनलाइन बेचा था?
(1) 1
(2) 5
(3) 50
(4) 10
(5) None of these/इनमे से कोई नही|
(7) If the revenue per seller was same in 2019 as compared to 2020 then what was the revenue per seller (in $) in 2019?
यदि 2020 की तुलना में 2019 में प्रति विक्रेता राजस्व समान था तो 2019 में प्रति विक्रेता ($ में) राजस्व क्या था?
(1) 50
(2) 500
(3) 5
(4) 5000
(5) None of these/इनमे से कोई नही|
(8) If in 2021, the number of people who will buy products online will increased by 30% over the previous year than in 2021, total how many people in million will buy product online?
यदि 2021 में, ऑनलाइन उत्पाद खरीदने वाले लोगों की संख्या 2021 की तुलना में पिछले वर्ष की तुलना में 30% बढ़ जाएगी, तो कुल मिलाकर कितने लोग ऑनलाइन उत्पाद खरीदेंगे?
(1) 144
(2) 156
(3) 132
(4) 150
(5) None of these/इनमे से कोई नही|
(9) The sum of 5 consecutive number is 2 more than 8 times the largest number. Find the smallest integer.
5 लगातार संख्या का योग सबसे बड़ी संख्या के 8 गुना से 2 अधिक है। सबसे छोटा पूर्णांक ज्ञात कीजिए।
(1) – 10
(2) – 8
(3) – 6
(4) – 4
(5) None of these/इनमे से कोई नही|
(10) P takes 10 days to complete 40% of the work, while Q takes 18 days to complete 75% of the same work. P and Q together started a work, but P left after few days. Q continued working alone for 3 days. If 63% of the work was still left, after how many days of working did P left?
P को 40% काम पूरा करने में 10 दिन लगते हैं, जबकि Q को उसी काम का 75% काम पूरा करने में 18 दिन लगते हैं। P और Q ने मिलकर एक काम शुरू किया, लेकिन P ने कुछ दिनों के बाद छोड़ दिया। Q ने 3 दिनों तक अकेले काम करना जारी रखा। यदि 63% काम अभी भी बाकी था, तो P ने कितने दिन काम करने के बाद छोड़ दिया था?
(1) 1
(2) 2
(3) 3
(4) 4
(5) None of these/इनमे से कोई नही|
Answer Key-
Q-(1) Sol-(4)
80% of 20 + 66.66% of 324 + 60% of 35 = ?
16 +2×324/3+ 21 = ?
16 + 216 + 21 = ?
? = 253
Q-(2) Sol-(1)
(?)2 + 93 = 312 – 7
(?)2 + 729 = 961 – 7
(?)2 = 225
? = 15
Q-(3) Sol-(2)
(30)2 – (28)2 – (36)2 + (10)3 – (9)3 = ?
900 – 784 – 1296 + 1000 – 729 = ?
? = – 909
Q-(4) Sol-(5)
67 × 25 + 22 × 29 + 31 × 35 = ? × 11 + 10
1675 + 638 + 1085 = ? × 11 + 10
? × 11 = 3388
? = 308
Q-(5) Sol-(3)
60 + 135 = ? + 50 – 23
? = 168
Q-(6) Sol-(4)
Let the total population of India in 2019 = x million
then 20% of x million = 100 million
x = 100 × 5 = 500 million
2% of the total population of India sold products online = 2% of 500 million
= 10 million
Q-(7) Sol-(4)
Let the total population of India in 2019 = x million then
20% of x million = 100 million
x = 100 × 5 = 500 million
2% of the total population of India sold products online = 2% of 500 million = 10 million
In 2020, the number of sellers remained constant then in 2020, the revenue per sellers=5000
Q-(8) Sol-(2)
In 2019, 100 million people bought products online
In 2020, 120% of 100 = 120 million people brought products online
In 2021, 130% of 120 = 13 × 12 = 156 million people will buy products online
Q-(9) Sol-(2)
Let the smallest number be x
= x + x+1 + x+2 + x+3 + x+4
= 5x + 10 = 8(x + 4) + 2
x = - 24/3
x = - 8
Q-(10) Sol-(3)
Work done by P in 10 days = 40% = 2/5
Or, work done by P in 1 day = 1/25
Work done by Q in 18 days = 75% = ¾
Or, work done by Q in 1 day = 1/24
Work done by P and Q together = 1/25 + 1/24 = 49/600
Let P left the work after x days
Or, work done by P and Q in x days = 49x/600
Then, Q worked alone for 3 days = 3 × 1/24 = 1/8
Since, 63% of the work is still left, total work done = 100% - 63% = 37% = 37/100
49x/600 + 1/8 = 37/200
(49x + 75)/600 = 37/100
49x + 75 = 222
x = 147/49 = 3
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