21. A bus left with some definite number of passengers.At the first stop,half the passengers left the bus and 35 boarded the bus. At the second stop
1 / 5
th of the passengers left the 40 boarded the bus.Then, the bus moved with 80 passengers towards its destination without stopping anywhere.How many passenger were there originally ?

  A.  25
  B.  30
  C.  40
  D.  50
     
   
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22. If 16 ÷4 = 74
21 ÷ 7 = 33
81 ÷ 9 = 99, then 55 ÷ 5 = ?
  A.  110
  B.  1001
  C.  1011
  D.  11
     
   
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23. Find the value of 5 × 6 ÷ 3 − 5 = 5
8 × 9 ÷ 4 − 8 = ?

  A.  18
  B.  12
  C.  9
  D.  10
     
   
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24. Find two numbers whose sum is 28 and difference is 4.Mark the smaller of them.

  A.  12
  B.  24
  C.  10
  D.  4
     
   
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25. What is the product of all the numbers in the dial of a telephone?
  A.  1,59,480
  B.  1,59,450
  C.  0
  D.  1,58,480
     
   
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26. If 6
1 / y
×
4 / 5
= 5 what is y ?

  A.  10
  B.  4
  C.  8
  D.  6
     
   
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27. How many times is 0.1 greater than 0.01 ?

  A.  100 times
  B.  1 time
  C.  1000 times
  D.  10 times
     
   
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28. How many numbers would remain if all the numbers which are divisible by 3 are removed from 61 to 100?

  A.  13
  B.  26
  C.  27
  D.  25
     
   
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29. If the sum of three consecutive numbers is 15, what is the square of the middle number?

  A.  25
  B.  16
  C.  36
  D.  can't be determined
     
   
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30. If the product of two number is 10 and their sum is 7, then the larger of the two number is

  A.  −2
  B.  5
  C.  2
  D.  3
     
   
View Answer

Let the number of keepers = x
The, total number of feet = 2 × 50 + 4 × 45 + 4 × 8 + 2x = 2x + 312
Total numbers of heads = 50 + 45 + 8 + x = 103 + x
Now, as per equation, (2x + 312) = (103 + x) + 224
2x - x = 103 + 224 − 312
x = 15
. Hence, option (C) is the correct answer.


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