Sunday, June 19, 2016

Directions (1-4): What value should come in the place of question mark (?) in the following number series? 

1. 15, 21, 31, 45, ?
 61
 62
 64
 73
 63
Solution:

2. 39, 48, 66, 93, 129, ?

 171
 178
 164
 174
 163
Solution:

3. 274, 137, 68, 33, 15, ?
 5.5
 4.5
 5
 3.5
 4
Solution:

4. 11, 36, 104, 317, ?
 963
 958
 945
 973
 963
Solution:

5. In a class, 8% of total students are interested in Football. Four-fifth of total students are interested in Cricket. 10% of total students are interested in Basketball and remaining 20 students are not interested in any games. How many students are there in the class?
 850
 800
 900
 950
 1000
Solution:

6. A cycle is sold at a profit of 15%. If both the cost price and selling price is decreased by Rs. 200 the profit would be 5% more what is the original cost price of cycle?
 Rs. 1200
 Rs. 1000
 Rs. 800
 Rs. 600
 None of these
Solution:

7. A person lends Rs. 4200 to 'A' for 3 years and Rs. 6500 to 'B' for 7 years. If the person gets Rs. 8134 as interest then what is the rate of interest per annum ?
 6%
 8%
 10%
 12%
 14%
Solution:

8. A sum amounts to Rs. 98010 in 2 years and to Rs. 107811 in 3 years compounded annually. What is the sum?
 Rs. 81000
 Rs. 84000
 Rs. 87000
 Rs. 90000
 Rs. 94000
Solution:

9. How many different words can be formed with the letters of the word ''BREAKING", so that the words begin with 'B' and end with 'G' ?
 120
 720
 5040
 2520
 1440
Solution:
10. A bag contains 9 white and 7 black balls. Three balls are drawn at random. Find the probability that all the three balls are black?
 1/8
 1/12
 1/16
 1/21
 None of these
Solution:

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