1 . What should come in place of question mark (?) in the following number series?
$36\,\,\, 20\,\,\, ?\,\,\, 8\,\,\, 6\,\,\, 5 $
A.  10
B.  12
C.  14
D.  16
E.  None of these
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2 . What should come in place of question mark (?) in the following number series?
$668\,\,\, 656\,\,\, 632\,\,\, 584\,\,\, ?\,\,\, 296$
A.  392
B.  438
C.  488
D.  536
E.  None of these
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3 . What should come in place of question mark (?) in the following number series?
$1\,\,\, 121\,\,\, 441\,\,\, 961\,\,\, 1681\,\,\, ?$
A.  2701
B.  2511
C.  2611
D.  2801
E.  None of these
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4 . What should come in place of question mark (?) in the following number series?
$9,\,\,\ 49\,\,\ 201\,\,\ 1009\,\,\ ?\,\,\ 20209\,\,\ 80841$
A.  4054
B.  4049
C.  4050
D.  4041
E.  None of these
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5 . What should come in place of question mark (?) in the following number series?
$31\,\,\, 35\,\,\, 44\,\,\, 60\,\,\, 85\,\,\, ?$
A.  121
B.  111
C.  109
D.  97
E.  None of these
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6 .
The average of five positive numbers is 308. The average of first two numbers is 482.5 and the average of last two numbers is 258.5. What is the third number?
A.  224
B.  58
C.  121
D.  Cannot be determined
E.  None of these
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7 .
Sophia invests 25% of her monthly salary in insurance policies. She spends 15% of her monthly salary in shopping and 35% of her salary on household expenses. She saves the remaining amount of Rs. 9,050. What is Sophia's annual income?
A.  Rs.84,500
B.  Rs.5,30,000
C.  Rs.3,25,200
D.  Rs.4,34,400
E.  None of these
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8 .
The number of employees in companies A, B and C are in a ratio of 3 : 2 : 4 respectively. If the number of employees in the three companies is increased by 20%, 30% and 15% respectively, what will be the new ratio of employees working in companies A, B and C respectively ?
A.  18 : 13 : 24
B.  13 : 18 : 23
C.  17 : 3 : 23
D.  18 : 11 : 23
E.  None of these
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9 .
The ages of Vaibhav and Jagat are in the ratio of 12 : 7 respectively, After 6 years the ratio of their ages will be 3 : 2. What is the difference in their ages?
A.  8 years
B.  12 years
C.  9 years
D.  10 years
E.  None of these
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10 .
What is the least number to be added to 8008 to make it a perfect square?
A.  273
B.  87
C.  264
D.  92
E.  None of these
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