11 jan live test - prac examples PDF

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RRB NTPC || Maths /  Live Test || For All Exam || Part 3 || By Rahul Sir || Study iq || 11 JAN 2020

1

1. After allowing a 37 % discount on the marked price of an article, a dealer 2 makes a profit of 25%. What is the marked price if the cost price of the article is Rs.73211? 1 ,d ys[k ds fpfUgr ewY; ij 37 % dh NwV dh vuqefr nsus ds ckn] ,d Mhyj 25% dk ykHk 2 dekrk gSA ;fn ys[k dh ykxr ewY; 73211 : gS rks fpfUgr ewY; D;k gS\ a. Rs.400 b. Rs.375 c. Rs.320 d. Rs.350 2. IF 2x +

1 4𝑥

= 1, then the value of x2 +

1 64𝑥 2

is

(1) 0 (2) 1 1 (3) (4) 2 4 (SSC CHSL (10+2) Tier-I (CBE) Exam.08.09.2016 (Ist Sitting) 3. If 6x2 – 12x + 1 = 0, then the value of 27x3 + (1) 162 (2) 189 (3) 207 (4) 225 (SSC CGL Tier-I CBE Exam.27.10.2016 (IInd Sitting)

1 8𝑥3

is

4. A sum is distributed between A, B and C in the ratio 7 : 4 : 9. If A gives 300 from his share to C, the ratio of shares A, B and C becomes 3 : 2 : 5. What is the sumof shares of B and C, in the beginning? ,d /kujkf'k A, B vkSj C ds chp 7 : 4 : 9ds vuqikr esa ckaVh tkrh gSA ;fn A us vius fgLls ls 300 dks ns nsrk gSA rks A, B vkSj C ds fgLlksa dk vuqikr 3 : 2 : 5gks tkrk gSA B vkSj C ds vkajfHkd fgLlksa dk ;ksx D;k gS\ a. 7800 b. 9100 c. 7500 d. 8500

Click here for solution :- https://www.youtube.com/watch?v=ivVwcMwQObU

RRB NTPC || Maths /  Live Test || For All Exam || Part 3 || By Rahul Sir || Study iq || 11 JAN 2020

5. If the six digit number 435xyz is exactly divisile by 7, 11 and 13 then {(y + z) ÷ x} is equal to: ;fn Ng vadksa dh la[;k 435xyz 7] 11 vkSj 13 ls fcYdqy foHkkT; gS] rks {(y + z) ÷ x} blds cjkcj gS% 11 a. b. 4 c.

9 13 7

6. IF 

d. 𝑎

+

7 13

𝑏

1−𝑎 1−𝑏 𝑎 𝑏

1−𝑎

+

1−𝑏

+

+

𝑐 1−𝑐 𝑐

1−𝑐

= 1, then the value of

= 1, 

1 1−𝑎

+

1 1−𝑏

1 1−𝑎

+

1 1−𝑏

+

1 1−𝑐

is

1

+ 1−𝑐   

(1) 1 (2) 2 (3) 3 (4) 4 (SSC CHSL DEO & LDC Exam. 04.12.2011) (Ist Sitting (East Zone) 7. The sides AB, BC and AC of a ∆ABC are 13 cm, 11 cm and 20 cm respectively. A circle is inscribed in the triangle touching AB, BC and AC at D, E and F respetively. The difference between the lengths of AD and CE is: ,d ∆ABC esa AB, BC vkSj AC dze'k% 13 lseh] 11 lseh vkSj 20 lseh gSA ,d o`Rr dze'k% D, E vkSj F ij AB, BC vkSj AC dks Li'kZ djrs gq, f=Hkqt esa vafdr gksrk gSA AD vkSj CE dh yackbZ ds chp dk varj gS% a. 4 cm b. 5 cm c. 3 cm d. 2 cm 8. A chord of the larger among two concentric circles is of length 12 cm and it is tangent to the smaller circle. What is the area (in cm2) of the circular protion between the two circles? nks lsdsafnzr o`Rrksa esa ls cMs dk ,d Hkkx 12 lseh dh yackbZ dk gksrk gS vkSj ;g NksVs o`Rr dk Li'kZjs[kk gksrk gSA nks o`Rrksa ds chp daqMykdkj Hkkx dk {ks=Qy (in cm2) D;k gS\ 5𝜋 a. b. 25 𝜋 2 c. 5 𝜋 d. 10 𝜋

Click here for solution :- https://www.youtube.com/watch?v=ivVwcMwQObU...