SSC CHSL Quiz : Quantitative Aptitude | 23 - 02 - 18

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Q1.) The product of two numbers is 2028 and their HCF is 13. The number of such pair is-

दो संख्याओं का गुणनफल 2028 और इनका म.स.प 13 हैं | एसे युग्म की संख्या है –

1. 1
2. 2
3. 3
4. 4

Q2.) A swimmer can swim 68 km downstream and 45 km upstream in 9 hours and he will take 2 hours more to swim 51 km downstream and 72 km upstream. Find the speed of the swimmer in still water.

तैराक 68 किलोमीटर अनुप्रवाह और 45 किलोमीटर ऊर्दप्रवाह तैरने में 9 घंटे लेता है और वह 51 किलोमीटर अनुप्रवाह तैरने और 72 किमी ऊर्दप्रवाह में तैरने के लिए 2 घंटे अधिक समय लगेता हैं। तैराक की शांत जल में चाल ज्ञात कीजिये।

1. 17
2. 15
3. 13
4. 9

Q3.) A man starts from his house with a speed of 60 km/hr towards a temple 45 km away from his house, but after every 10 minute he decrease his speed by 6 km/hr. Find the time required by him to reach the temple. 

एक व्यक्ति अपने घर से 60 किमी / घंटा की चाल से अपने घर से 45 किलोमीटर दूर एक मंदिर की ओर से चलना शुरू करता है, लेकिन हर 10 मिनट के बाद वह अपनी चाल को 6 किमी / घंटा से घटा देता है। मंदिर तक पहुंचने के लिए आवश्यक समय ज्ञात कीजिये।

1. 60 min
2. 58 min
3. 56 min
4. 54 min

Q4.) “A” alone can complete a work in 6 days and “B” can complete this work alone in 8 days. They can complete this work in 3 days with the help of C. If they are paid Rs. 6400 for this work, then find the share of C.

“A” किसी काम को अकेले 6 दिन में पूरा कर सकता हैं और “B” उसी काम को अकेले 8 दिन में पूरा कर सकता हैं | यह उसी कार्य को C के साथ मिलकर 3 दिन में पूरा क्र सकते हैं | यदि इस कार्य के लिए उन्हें 6400 रू प्राप्त होते हैं, तो C के द्वारा प्राप्त राशि ज्ञात कीजिये |

1. 400
2. 800
3. 1600
4. 3200

Q5.)   In an office there are 50 men and 30 women and their average salary is Rs.22500 and every woman gets Rs. 400 less than a man. Find the salary of a man.

एक कार्यालय में 50 पुरुष और 30 महिलाएं हैं और उनका औसत वेतन 2,2500 रुपये है और हर महिला को पुरुष की तुलना में 400 कम प्राप्त होते हैं | प्रत्येक पुरुष की वेतन ज्ञात कीजिये

1. 22740
2. 22650
3. 22340
4. 22250

Q6.) If a + b = 2c, then the value of ?

यदि a + b = 2c, तो  का मान ज्ञात कीजिये ?

1. -2
2. -1
3. 1
4. 2

Q7.)  Solve: (1 + tan 15o)(1+30o)
हल कीजिये : (1 + tan 15o)(1+ tan 30o)

1. 1
2. 2
3. 
4. 2

Q8.) Each edge of a regular tetrahedron is 3 cm, then its volume is
एक चतुष्फलक की प्रत्येक भुजा 3 सेमी हैं , तो उसका आयतन हैं :

1. 27              
2.  
3.                               
4. 

Q9.) If a =and b = , then the value of  is
यदि a =और b = ,तो  का मान है –

1. 1030               
2. 1000
3. 970
4. 930

Q10.) If a + b + c = 6, a2 +b2+c2 =14 and a3 + b3 + c3 =36, then the value of abc is-
यदि a + b + c = 6, a2 +b2+c2 =14 और a3 + b3 + c3 =36, तो abc का मान है-

1. 3
2. 6
3. 9
4. 12

SOLUTION:

Q1.) (B) Product of the ratio =  =12
Set of co-prime numbers whose product can make 12
(1,12) , (3,4)

Q2.) (C)


Solving equation simultaneously
D = 17 and U = 9
B =  = 13

Q3.) (A)

10 min =  hr
Distance in 1st 10 min 60×  = 10km
Distance in 2nd 10 min 54× =9km
And so on 8km, 7km, 6km and 5km
10 + 9 + 8 + 7 + 6 +5 = 45 km
Total time = 10×6 = 60 min

Q4.) (B)

L.C.M of 6, 8, 3 is 24
A – 6 days – 4 work/day
B – 8 days – 3 work/day
A+B+C – 3 days – 8 work/day
C = 8 – 4 – 3 = 1
 = 800

Q5.) (D)

50 × x + 30 (x - 400) = 80 ×22500
80x – 12000 =22500 × 80
x – 150 = 22500
x = 22650

Q6.) (D)

Let a = 2, b = 0 and C =1
= 2

Q7.) (B)

A + B = 45o
(1 + tan A)(1+ tan B) = 2
15o + 30o = 45o
(1 + tan 15o)(1+ tan 30o) = 2

Q8.) (B)



Q9.) (C)

=


=

Q10.) (B)