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QUANT QUIZ FOR SO,SYNDICATE PO & LIC AAO

QUANT QUIZ FOR SO,SYNDICATE PO & LIC AAO |_2.1



Directions (Q. 1-5): What should come in place of
question mark (?) in the following number series?

1).   9      17        65
        385        3073      ?
1) 40704
2) 73251
3) 65506
4) 38521
5) 30721

2).  25     241    584      1096
    1825     ?
1) 2625
2) 2525
3) 2725
4) 2825
5) 2025
3).  50        25       37.5       93.75     328.125
     ?
1) 1656.6525   
2) 1476.5625   
3) 1576.6225
4) 2025.5625   
5) None of these
4).   468        516        984
     1500     2484       ?
1) 3984
2) 4884
3) 2784
4) 2824
5) 3874
5).   11         30        87    258    771        ?
1) 2610
2) 2450
3) 2310
4) 2730
5) 2510
6. A car starts running at the speed of 30 km per hour. The
speed of the car increases by 2 km per hour at the end of every one hour. What
will be the distance covered at the end of ten hours from the start of the
journey?
1)410 km           
2) 390 km          
3) 520 km
4) 630 km
5) None of these

7. Gita started a business investing Rs. 60000. After six
months Kanchan joined her with Rs. 90000. After another six months Rekha also
joined them with Rs. 1.35 lakh. The profit earned at the end of 3 years when
Gita started the business should be distributed among Gita, Kanchan and Rekha
in the ratio of
1) 4 : 5 : 6           
2) 6 : 7 : 8           
3) 6 : 8 : 7
4) 6 : 5 : 4           
5) None of these

8. The cost of 26 tables and 6 chairs is Rs. 13800 and the
cost of 13 tables and 7 chairs is Rs. 14200. What is the cost of 10 chairs?
1) Rs. 18200     
2) Rs. 18250     
3) Rs. 17400
4) Can’t be determined
5) None of these
9. The difference between a two-digit number and the number
obtained by interchanging the digits is 27. The sum of the digits is 15 and the
digit at tens place is bigger than the digit at the units place. What is the
two-digit number?
1) 87    
2) 96    
3) 78
4) 69    
5) None of these
10. In an examination, Arun scored 35 marks less than Rahul.
Rahul scored 55 more marks than Monika. Rohit scored 85 marks, which is 10
marks more than Monika’s. Raju scored 61 marks less than the maximum marks of
the test. What approximate percentage of marks did Raju score in the
examination, if he got 44 marks more than Arun?
1) 80%
2) 75%
3) 70%
4) 62%

5) None of these





Answers:


1. (5)
The series is ×2-1, ×4-3, ×6-5, ×8-7, ×10-9,…..

2. (4)
The series is +6^3+7^3+8^3+9^3+〖10〗^3,……..

3. (2)
The series is 50×0.5=25, 25×1.5=37.5, 37.5 ×2.5 =93.75, 93.75×3.5=328.125, 328.125×4.5=1476.5625

4. (1)
468+516=984; 516+984=1500; 984+1500=2484; 1500+2484=3984

5. (3)
The series is 11×3-3=30, 30×3-3=87, 87×3-3=258, 258×3-3=771, 771×3-3=2310


6. (2)
As the distance is covered in Arithmetic Progression,
Sum= n/2 [2a+(n-1)d]
[Here, a=30, d=2, n=10] =10/2 [2×30+(10-1)2] =5×(60+18)=5×[78]=390 km

7. (1)
Reqd. Ratio of Profit
       Gita      : Kanchan    :    Rekha
60000×36 : 90000×30 : 135000×24
=4 : 5 : 6

8. (2)
Cost of 26T+6C=Rs. 13800………(i)
Cost of 13T+7C=Rs. 14200……….(ii)
Now, equation (ii) ×26-equation (i) ×13
338T + 182C= 369200
338T +   78C=179400
–         –
104C = 189800
∴ C=189800/104=1825
∴ Cost of chair=1825×10=Rs.18250

9. (2)

10. (3)
Rohit’s marks=85
Monika’s marks=85-10=75
Rahul’s marks=75+55=130
Arun’s marks=130-35=95
Raju’s marks=95+44=139
Total maximum marks=139+61=200

Required percentage marks of Raju=139/200×100=69.5%≈70%



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