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 should come in place of the question mark (?) in the following number series?
निम्नलिखित संख्या श्रृंखला में प्रश्नचिन्ह (?) के स्थान पर क्या आयेगा?
(1) 11 12 25 76 305 ?
(1) 1515
(2) 1516
(3) 1518
(4) 1524
(5) 1526
(2) 25 41 ? 102 151 215
(1) 56
(2) 66
(3) 52
(4) 62
(5) 72
(3) 3 5 8 13 ? 34 55
(1) 21
(2) 23
(3) 20
(4) 19
(5) 24
(4) 17 18 26 53 117 ?
(1) 232
(2) 222
(3) 202
(4) 242
(5) 248
(5) 24 22 41 119 471 ?
(1) 2347
(2) 2357
(3) 2349
(4) 2347
(5) 2353
(6) A shopkeeper sold first unit of an article to a customer at 20% discount and the second unit of the same article at 40% discount. If the shopkeeper earned an overall profit of 5%, the marked price of the article was what percent of the cost price of the article?
एक दुकानदार ने एक ग्राहक को एक वस्तु की पहली इकाई को 20% छूट पर और उसी वस्तु की दूसरी इकाई को 40% छूट पर बेचा। यदि दुकानदार ने 5% का समग्र लाभ अर्जित किया, तो वस्तु का चिह्नित मूल्य वस्तु के लागत मूल्य का कितना प्रतिशत था?
(1) 200
(2) 150
(3) 125
(4) 160
(5) 120
(7) The time taken by a boat to travel ‘x’ km upstream is twice the time taken by the same
boat to travel ‘x’ km downstream. If speed of the boat in still water is 12 km/h, what is the speed of current? (In km/h)
एक नाव द्वारा ऊर्ध्वप्रवाह में ‘x’ किमी जाने में लिया गया समय अनुप्रवाह में ‘x’ किमी जाने में लिए जाने वाले समय का दोगुना है । यदि स्थिर जल में नाव की चाल 12 किमी / घंटा है, तो धारा की चाल क्या है? (किमी / घंटा में)
(1) 3
(2) 4
(3) 3.5
(4) 4.5
(5) None of these
(8) The average monthly income of P and Q is Rs. 7050. The average monthly income of Q and R is Rs. 7700 and that of P and R is Rs. 8250. What is the monthly income of P?
P और Q की औसत मासिक आय रु. 7050 है । Q और R की औसत मासिक आय रु. 7700 है और P और R का औसत रु. 8250 है । P की मासिक आय क्या है?
(1) Rs. 7200
(2) Rs. 7800
(3) Rs. 7400
(4) Rs. 8000
(5) Rs. 7600
Q-(9-10) What value should come in place of the question mark (?) in the following question?
निम्नलिखित प्रश्न में प्रश्न चिह्न (?) के स्थान पर क्या मान आना चाहिए?
(9) (?)2 % of 650 = (20)2 + (4)2
(1) 8
(2) 64
(3) 81/2
(4) (64)2
(5) 32
(10) (52×14+1450)÷18 = 1998 ÷ ?
(1) 18.25
(2) 19.98
(3) 24.58
(4) 65.25
(5) 45.85
Answer Key-
Q-(1) Sol-(5)
11 × 1 + 1= 12
12 × 2 + 1= 25
25 × 3 + 1= 76
76 × 4 + 1= 305
305 × 5 + 1= 1526
Q-(2) Sol-(2)
+ 42, + 52, + 62, + 72, + 82,
Q-(3) Sol-(1)
3 + 5 = 8
8 + 5 = 13
13 + 8 = 21
21 + 13 = 34
34 + 21 = 55
Q-(4) Sol-(4)
+13, +23, +33, +43, +53
Q-(5) Sol-(3)
× 1 - 2, × 2 - 3, × 3 - 4, × 4 - 5, × 5 - 6
Q-(6) Sol-(2)
Let the cost price of the article = Rs. x
Marked price of the article = Rs. 100
According to the question,
100 × 80/100+ 100 × 60/100= 2x × 105/100
100 × 140 = 2x × 105
x = 200/3
Required percentage = 100×3×100/200= 150%
Q-(7) Sol-(2)
Let the speed of current = y km/hr.
Downstream speed of boat = (12 + y) km/hr.
Upstream speed of boat = (12 – y) km/hr.
According to the question,
12 + y = 24 – 2y
3y = 12
y = 4 km/hr.
Q-(8) Sol-(5)
P + Q = 7050 × 2
P + Q = 14100 … (i)
Q + R = 7700 × 2
Q + R = 15400 … (ii)
P + R = 8250 × 2
P + R = 16500 … (iii)
By adding equations (i), (ii) and (iii),
2 (P + Q + R) = 46000
P + Q + R = 23000 … (iv)
Subtracting equation (ii) from equation (iv),
P = Rs. 7600
Q-(9) Sol-(1)
(?)2 % of 650 = (20)2 + (4)2
(?)2 = 64
? = 8
Q-(10) Sol-(2)
100 = 1998 ÷ ?
? = 19.98
Q-(1-5) What should come in place of the question mark (?) in the following number series?
निम्नलिखित संख्या श्रृंखला में प्रश्नचिन्ह (?) के स्थान पर क्या आयेगा?
(1) 11 12 25 76 305 ?
(1) 1515
(2) 1516
(3) 1518
(4) 1524
(5) 1526
(2) 25 41 ? 102 151 215
(1) 56
(2) 66
(3) 52
(4) 62
(5) 72
(3) 3 5 8 13 ? 34 55
(1) 21
(2) 23
(3) 20
(4) 19
(5) 24
(4) 17 18 26 53 117 ?
(1) 232
(2) 222
(3) 202
(4) 242
(5) 248
(5) 24 22 41 119 471 ?
(1) 2347
(2) 2357
(3) 2349
(4) 2347
(5) 2353
(6) A shopkeeper sold first unit of an article to a customer at 20% discount and the second unit of the same article at 40% discount. If the shopkeeper earned an overall profit of 5%, the marked price of the article was what percent of the cost price of the article?
एक दुकानदार ने एक ग्राहक को एक वस्तु की पहली इकाई को 20% छूट पर और उसी वस्तु की दूसरी इकाई को 40% छूट पर बेचा। यदि दुकानदार ने 5% का समग्र लाभ अर्जित किया, तो वस्तु का चिह्नित मूल्य वस्तु के लागत मूल्य का कितना प्रतिशत था?
(1) 200
(2) 150
(3) 125
(4) 160
(5) 120
(7) The time taken by a boat to travel ‘x’ km upstream is twice the time taken by the same
boat to travel ‘x’ km downstream. If speed of the boat in still water is 12 km/h, what is the speed of current? (In km/h)
एक नाव द्वारा ऊर्ध्वप्रवाह में ‘x’ किमी जाने में लिया गया समय अनुप्रवाह में ‘x’ किमी जाने में लिए जाने वाले समय का दोगुना है । यदि स्थिर जल में नाव की चाल 12 किमी / घंटा है, तो धारा की चाल क्या है? (किमी / घंटा में)
(1) 3
(2) 4
(3) 3.5
(4) 4.5
(5) None of these
(8) The average monthly income of P and Q is Rs. 7050. The average monthly income of Q and R is Rs. 7700 and that of P and R is Rs. 8250. What is the monthly income of P?
P और Q की औसत मासिक आय रु. 7050 है । Q और R की औसत मासिक आय रु. 7700 है और P और R का औसत रु. 8250 है । P की मासिक आय क्या है?
(1) Rs. 7200
(2) Rs. 7800
(3) Rs. 7400
(4) Rs. 8000
(5) Rs. 7600
Q-(9-10) What value should come in place of the question mark (?) in the following question?
निम्नलिखित प्रश्न में प्रश्न चिह्न (?) के स्थान पर क्या मान आना चाहिए?
(9) (?)2 % of 650 = (20)2 + (4)2
(1) 8
(2) 64
(3) 81/2
(4) (64)2
(5) 32
(10) (52×14+1450)÷18 = 1998 ÷ ?
(1) 18.25
(2) 19.98
(3) 24.58
(4) 65.25
(5) 45.85
Answer Key-
Q-(1) Sol-(5)
11 × 1 + 1= 12
12 × 2 + 1= 25
25 × 3 + 1= 76
76 × 4 + 1= 305
305 × 5 + 1= 1526
Q-(2) Sol-(2)
+ 42, + 52, + 62, + 72, + 82,
Q-(3) Sol-(1)
3 + 5 = 8
8 + 5 = 13
13 + 8 = 21
21 + 13 = 34
34 + 21 = 55
Q-(4) Sol-(4)
+13, +23, +33, +43, +53
Q-(5) Sol-(3)
× 1 - 2, × 2 - 3, × 3 - 4, × 4 - 5, × 5 - 6
Q-(6) Sol-(2)
Let the cost price of the article = Rs. x
Marked price of the article = Rs. 100
According to the question,
100 × 80/100+ 100 × 60/100= 2x × 105/100
100 × 140 = 2x × 105
x = 200/3
Required percentage = 100×3×100/200= 150%
Q-(7) Sol-(2)
Let the speed of current = y km/hr.
Downstream speed of boat = (12 + y) km/hr.
Upstream speed of boat = (12 – y) km/hr.
According to the question,
12 + y = 24 – 2y
3y = 12
y = 4 km/hr.
Q-(8) Sol-(5)
P + Q = 7050 × 2
P + Q = 14100 … (i)
Q + R = 7700 × 2
Q + R = 15400 … (ii)
P + R = 8250 × 2
P + R = 16500 … (iii)
By adding equations (i), (ii) and (iii),
2 (P + Q + R) = 46000
P + Q + R = 23000 … (iv)
Subtracting equation (ii) from equation (iv),
P = Rs. 7600
Q-(9) Sol-(1)
(?)2 % of 650 = (20)2 + (4)2
(?)2 = 64
? = 8
Q-(10) Sol-(2)
100 = 1998 ÷ ?
? = 19.98
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