Dear Readers,
Mahendras has started special quizzes for IBPS & SBI Exam so that you can practice more and more to crack the examination. This IBPS & SBI Exam special 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 the important question of reasoning ability for the for the the IBPS & SBI Exam.
(1) The sum of length, breadth and depth of a cuboid is 19 cm. and its diagonal is 
cm. What will be its surface area?
cm. What will be its surface area?एक घनाभ की लम्बाई, चौड़ाई और गहराई का योग 19 सेमी. है और इसका विकर्ण 
सेमी. है। इसकी सतह का क्षेत्रफल क्या होगा?
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
Q-(5-8) In each question two equations are provided. One of the basis of these you have to find out the relations between p and q.
निम्नलिखित प्रश्नों में दो समीकरण (I) और (II) दिये गये है दोनों समीकरण हल कीजिए और इनके आधार पर p तथा q में संबंध ज्ञात कीजिए।
(5) I. 5p2 - 8p + 3 = 0 II. 2q2 - 7q + 5 = 0
(1)If p = q or relation cannot be find.
(2)If p > q
(3)If p < q
(4)If p > q
(5)If p < q
(6) I. 12p2- p = 1 II. 18q2 - 9q + 1 = 0
(1)If p = q or relation cannot be find.
(2)If p > q
(3)If p < q
(4)If p > q
(5)If p < q
(7) I. 8p2 - 10p + 3 = 0 II. 2q2 + 5q + 3 = 0
(1)If p = q or relation cannot be find.
(2)If p > q
(3)If p < q
(4)If p > q
(5)If p < q
(8) I. p2 - 6p + 8 = 0 II. 3q2 - 10q + 7 = 0
(1)If p = q or relation cannot be find.
(2)If p > q
(3)If p < q
(4)If p> q
(5)If p <q
Q-(9-10) Find the wrong number in the following number series.
निम्नलिखित संख्या श्रृंखला में गलत संख्या का पता लगाइये।
(9) 27 29 38 61 105 178 284
(1)29
(2)61
(3)38
(4)27
(5)178
(10) 400 450 350 375 325 330.5 312.5
(1)330.5
(2)450
(3)400
(4)375
(5)325
Answer Key-
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
2-Sol-(2)
Age of new person = Age of one moved person – Number of persons × Decreased in average
= 20 – 24×
= 20 – 8
= 12 years
3-Sol-(1)
No. of ways =
4-Sol-(4)
Milk = 108 litre
Water = 72 litre
144+2x = 324
2x = 180
x = 90 litres
5-Sol-(5)
5p2 - 5p –3p + 3 =0
5p (p – 1) – 3 (p – 1) = 0
P = 1, 3/5
2q2 – 5q – 2q + 5 = 0
q (2q– 5)–1 (2q – 5)
q =5/2, 1
q > p
6-Sol-(1)
7-Sol-(3)
8p2 – 10 p + 3 = 0
8p2 – 6p – 4p + 3 = 0
2p (4p – 3) – (4p – 3)
p = 
2q2 + 5q + 3 = 0
2q2 + 3q + 2q + 3 = 0
q (2q + 3) +1 (2q +3) = 0
q =
8-Sol-(1)
p2 – 4p – p+ 8 = 0
p (p – 4) – 2p (p – 4) = 0
p = 4 ,2
3q2 – 10 q + 7 = 0
3q2 –7q – 3q + 7 = 0
q (3q– 7)– 1(3q – 7) = 0
q = 
Relationship can't be determined
9-Sol-(5)
10-Sol-(1)
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MAHENDRA GURU