TATA-INFOTECH QUESTIONS

NUMERICAL ABILITY
1. 420% OF 7.79 = ?

Ans. 32.718


2. 3427 / 16.53 = ?

Ans. 202


3. 10995 /95 = ?

Ans.115.7365


4. 43+557-247 =?

Ans. 353

5. 3107*3.082= ?

Ans. 9591

6. 48.7 + 24.9 - 8.7 = ?

Ans. 64.90

7.525.0/47.8 = ?

Ans. 11

8. (135-30-14)*7 - 6 +2 = ?

Ans. 3

9. 3/8 * 5.04=?

Ans. 1.89

10. 697 /219 = ?

Ans. 3.18

11.8/64 +64/16 =?

Ans. 4.14

12. 298 * 312 / 208 = ?

Ans. 453.54

13. 0.33 *1496 /13 = ?

Ans. 37.98

14.0.26 + 1/8 = ?

Ans. 0.385

15. 66.17+1/3= ?

Ans. 67.03

16. 2.84+1/4= ?

Ans. 3.09

17. 33% OF 450 = ?

Ans. 148.5

18. 907.54 / 0,3073= ?

Ans.3002

19.There are two categories of persons in ratio A:B = 2:3. A type earns 2.5 dollars/hr and
B type 1 dollar/hr total money earned by both is 24dollars. Then what is the total number of persons

Ans. 15

20. Total balls are z, the number of red balls is n and the remaining are blak balls,then the % of black
balls equal to ?

Ans. (z - n) / z*100

21. If A = C, B = 2D what should be done to make the ratio same. i.e.a/b = c/d

Ans. Multiply A by 2

22. If P=Total number of components, Q = number of defective components .What is the % of non defective components?

Ans. (p-q) / p*100

23. If the cost of an article is x , first discount given is y% of cost, second discount given is z% of cost .

The selling price of x is

Ans. x (1-y / 100) (1- z / 100)

24.Which of the following are prime numbers
(a) 119
(b) 115
(c) 127
(d) none

Ans. (c)

25. A / B = C; C > D then
(a) A is always greater than D
(b) C is always greater than D
(c) B is always less than D
(d) None of these

Ans. (a)

26. If B>C and AA then which expression will be highest value
(a) A-B
(b) AB
(c) A+B
(d) Can't Say

Ans. (b)

33. K, L are men who take home a salary of x, y respectively.The total amount taken home is

Ans. Kx + Ly

34. If out of X bulbs y bulbs are broken;The % of non broken bulbs

Ans. (x-y) / x*100

35. If on a salary s per month, a tax of x% of the salary and another of r% of the salary is deducted what
is the income.

Ans. s*(1-(x+r)/100
36. 0.512 * 18902358 =?
Ans. 9678007.296
37. If the % of defective balls is 10% balls,and the number of defective balls is 5.The number of balls is

Ans.50

38. 6.29% of 2.8 =?
Ans. 0.18
39. 0.398 * 456= ?
Ans. 181.49

40. 0 < x < 1 which is greater
(a) 1/x2
(b) 1/x
(c) x
(d) x2

Ans. (a)
41. If c = a/b; a-1 = c, what is the relation between a and b?

Ans. b = a/a-1
42. What is the sum of 7 consecutive odd numbers with 27 as the fourth number
Ans.189
 
FLOWCHART SECTION
Directions: There are 7 flow charts and each has 5-6 blank rectangles/diamonds with
subquestion number in the rectangle/diamond. You have to fill the blank from the
5 options given against respective question number
NOTE:These types of questions are not at all tough.You have to understand the logic and then it is very easy to fill the blanks. Some information is provided for getting to the answers.There will be blanks which have to be filled.
Examples of flow charts asked to be filled :
(1) There are 3 boxes of 3 balls each. you have to select the heaviest among all.
(2) There are red and black balls in a box. You select some balls from the blocks.If the ball chosen is red then you get one point. If the chosen ball is ball black and previous ball is red then you get two points. For winning u have to get seven points. No point for selecting consecutive balls of the same color.
(3)Classify objects in class A, class B and scrap. for classfing you have to do different tests such as weight test, material test etc.
(4)There is production process in which action depends on temperature and pressure and we have some temperature and pressure controls.Draw a flowchart to complete the process.
(5)Find max. and min. of the 12 nos.in an array.Arrang the array in ascending order and find the maximum and
minimum value in the array
(6)Diffrent age group are given and also diffrent salary slabs are given. Depending on the salary group as well as his group you have to classify the group of people in particular class.