Tcs mock numerical-ability Questions

Numerical-Ability

Quiz

 

1. When 120 is multiplied by the cube of a number, then gives the product of the square of that number
   and seventy-fifth times of the cube of two-fifths of the number is obtained. What is the number provided
   that the number is greater than 0?
   1.   15
   2.   20
   3.   5
   4.   10
2. What is the sum of digits of the least number which when divided by 21, 28, 30 and 35 leaves the same
   remainder 10 in each case but is divisible by 17?
   1.   11
   2.   13
   3.   14
   4.   10
3. Roli alone can do work in eight days. Neelam alone can do the same work in twelve days while
   Seema alone can do the same work in thirteen days. If they are paid Rs.2225 for doing the same work
   together, then what will be the share of Roli (in Rs.)?
   1.   Rs.975
   2.   Rs.2975
   3.   Rs.3975
   4.   Rs.1975
4. If the 7-digit number 4x3074y is exactly divisible by 24, then which of the following is not a possible
   value for 'x'?
   1.   2
   2.   5
   3.   1
   4.   8
5. If a + b = p and ab = pq then find the value of a^4 + b^4
   .
   
   1.   p^4 + 2p^2q^2- 4p^3q
   2.   p^4 - 2p^2q^2+4p^3q
   3.   p^4 -2p^2q^2- 4p^3q
   4.   p^4 + 2p^2q^2+ 4p^3q
6. If 672xy is divisible by 3, 7, and 11 then find the value of 6x + 5y
   1.   17
   2.   15
   3.   21
   4.   18
7. If the amount of A is 45% more than B, C is 60% less than A and B together and D is 20% less than C
   and the amount difference between B and D is Rs. 21,600 then find the amount of C.
   
   1.   Rs. 82,000
   2.   Rs.98,000
   3.   Rs. 182,000
   4.   Rs. 282,000
8. The total number of students in sections A and B of a class is 110. The number of students in A is 20%
   more than that of B. In an examination, the average score of students of B is 20% more than that of
   students of A. If the average score of all the students of the class is 84, then what is the average score of the
   students of A?
   1.   78
   2.   72
   3.   77
   4.   75
9. L is 20 percent less than T but T is 30 percent more than R. J is 30 percent of W and W is 10 percent of
   T. J is what percentage of R?
   1.   6.1%
   2.   8.4%
   3.   4.3%
   4.   3.9%
10. Find the median of given data.
    {13, 2, 5, 18, 6, 3, 6, 7, 8, 11, 17}
    1.   5
    2.   6
    3.   7
    4.   9
11. 1 Find the mean of median and mode of the given data.
    23, 26, 22, 24, 22, 29, 24, 23, 22
    
    1.   22.5
    2.   25.5
    3.   27.5
    4.   30.5
12. The radius of wheel that makes 113 revolutions to go 2 km. 26 decameter is (Take π =22/7)
    
    1.   4x(4/3)m
    2.   16x(4/11)m
    3.   3x(2/11)m
    4.   6x(4/3)m
13. 180 chocolates were distributed among A, B and C such that A received 5 times as much as B and C
    received 3 times as much as B. Find the number of chocolates received by B.
    1.   25
    2.   30
    3.   20
    4.   35
14. Two-person A and B are 880 km apart. A takes his bike and move towards B at a speed of 80 km/hr
    and B takes his car and moves towards A at a speed of 100 km/hr.If A started at 11 am and B started 2
    hours later. at what time they do meet?
    1.   2pm
    2.   5pm
    3.   3pm
    4.   4pm
15. A policeman, while running to catch a thief, is 114 m behind the thief. The policeman runs 21 m and
    the thief runs 15 m every minute. In what time will the policeman catch the thief?
    
    1.   18 min
    2.   17 min
    3.   19 min
    4.   16 min
16. In a pot of 80 kg, 60% is copper 15% zinc and remaining is aluminium after melting 5% of aluminium
    lost. How much should aluminium (in kg) be required for the formation of the pot?
    
    1.   21.05 kg
    2.   22 kg
    3.   25 kg
    4.   25.05 kg
17. What is the mean deviation from the mean of the numbers 10, 9, 21, 16, 24 ?
    
    1.   5.2
    2.   5.0
    3.   4.5
    4.   4.0
18. Three cups contain a mixture of milk and water in ratios 13 : 12, 9 : 14, 2 : 1 respectively. 25 liters of
    the first and 23 liters of the second cup are taken. How much quantity from third cup is to be taken so
    that the final mixture from the three cups will have milk and water in a ratio 1 : 1?
    
    1.   6 litres
    2.   3 litres
    3.   12 litres
    4.   6 litres
19. 4 years ago the ratio of age of two brothers was 7 : 6. The present age of their grandfather is 28 years
    more than the sum of their present age. If the present age of the grandfather is 88 years then what was
    the age of their grandfather at the time of birth of the younger brother?
    1.   56
    2.   64
    3.   60
    4.   66
20. Pratap lent Rs. 21,600 to be divided between his two sons, aged 9 years and 11 years, such that both of
    them would get an equal amount at certain age when lent at rate of 10% SI per annum. If their
    investments are in the ratio of 51 : 57 respectively, then at what age both received same amount?
    1.   15 years
    2.   16 years
    3.   18 years
    4.   21 years
21. The average mark of 40 students in an examination of 100 marks in a class is 85. The average of the
    top 15 students is 98 and that of the bottom 15 students is 70. Find the average marks of the remaining
    10 students.
    
    1.   89
    2.   85
    3.   88
    4.   86
22. The following question has three statements. Study the question and the statements and decide which
    of the statement (s) is necessary to answer the question.
    In how much time will a train cross a platform?
    I) Speed of the train is 54 km/hr.
    II) The train is 5 m smaller than the platform.
    III) The length of the train is 110 m.
    1.   only(I)
    2.   (I) and (III)
    3.   All
    4.   None
23. The incomes of A, B and C are in the ratio 6 : 8 : 5 and their expenditures are in the ratio 5 : 7 : 4. If C
    saves 40% of her income, then the ratio of savings of A, B and C is:
    
    1.   9 : 11 : 8
    2.   1: 1 : 1
    3.   9 : 1 : 8
    4.   6: 11 : 8
24. Shopkeeper sold an article at a loss of 16%. Had he sold it for Rs. 380.80 more, he would have gained
    40%. Had the article sold for Rs. 697, then there would have been a:
    1.   loss of 12(1/2)%
    2.   loss of 2(1/2)%
    3.   gain of 12(1/2)%
    4.   gain of 2(1/2)%
25. Find the number of divisors of 1728(including 1 and the number itself).
    
    1.   29
    2.   27
    3.   28
    4.   200
26. Find the number of perfect squares in the given series 2013, 2020, 2027, ……………., 2300? (Hint 44^2=1936)
    1.   2
    2.   1
    3.   8
    4.   9