Aptitude - Number Series Test

Test Instructions :

1. The Test is 1hr duration.
2. The Test Paper consists of 30 questions. The maximum marks are 30.
3. All the questions are multiple choice question type with three options for each question.
4. Out of the three options given for each question, only one option is the correct answer.
5. Each question is allotted 1 mark for each correct response.
6. 0.25 will be deducted for incorrect response of each question.
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65% of ? = 20% of 422.50

  

  

  

  

On simplification, 3034 – (1002 20.04) is equal to:

  

  

  

  

How many three digit positive integers, with digits x, y and z in the hundred’s, ten’s and unit’s place respectively, exist such that x < y, z < y and x 0?

  

  

  

  

The L.C.M of two numbers is 45 times their H.C.F. If one of the numbers is 125 and the sum of H.C.F and L.C.M is 1150, the other number is:

  

  

  

  

The L.C.M of 3, 2.7 and 0.09 is:

  

  

  

  

Find the number of ordered pair of positive integers (a.n) such that an+1 − (a + 1)n = 2001

  

  

  

  

  

8. 27, 64, 100, 125, 343

  

  

  

  

0.008 + 6.009 ÷ (0.7)2 = ?

  

  

  

  

  

The number 444444....(999 times) is definitely divisible by:

  

  

  

  

Evaluate:

  

  

  

  

74156 – ? – 321 – 20 + 520 = 69894

  

  

  

  

  

The product of the L.C.M and H.C.F of two numbers is 24. The difference of two numbers is 2. Find the numbers.

  

  

  

  

A number when successively divided by 3, 4 and 7 leaves respective remainders of 2, 1 and 5. What is the remainder, when any such number is divided by 21?

  

  

  

  

The sum of the digits of a two digit number is 12. If the new number formed by reversing the digits is greater than the original number by 54, then what will be the original number?

  

  

  

  

  

The sum of the squares of the first 15 positive integers (12 + 22 + 32 + . . . + 152) is equal to 1240.  What is the sum of the squares of the second 15 positive integers (162 + 172 + 182 + . . . + 302)?

  

  

  

  

1398 x 1398 = ?

  

  

  

  

6999 + 3555 - 2333 = ?

  

  

  

  

  

simplifies to:

  

  

  

  

H.C.F of 3240, 3600 and a third number is 36 and their L.C.M is 24 x 35 x 52 x 72. The third number is:

  

  

  

  

6432 ÷ 16 ÷ ? = 6

  

  

  

  

  

If a takes the lowest possible value, then what should be the least value that can be added to the reduced perfect square so that the product is divisible by 16?

  

  

  

  

The sum of five numbers is 290. The average of the first two numbers is 48.5 and the average of last two numbers is 53.5. what is the third number

  

  

  

  

  

The cost of production in a factory has a fixed component and an amount that varies directly withthe number of units produced. The units are sold at 20% profit. When 250 units are produced, theprice is Rs.120, and the price drops to Rs.96 when the production is doubled. What will the price bewhen 1000 units are produced?

  

  

  

  

{(441)1/2 X 207 X (343)1/3} ÷ {(14)2 X  (529)1/2}

  

  

  

  

  

The banker's gain on a sum due 3 years hence at 12% per annum is Rs. 360. The banker's discount is

  

  

  

  

6.8 × ? × 7.9 = 161.16

  

  

  

  

  

Mohan is a carpenter who specialises in making chairs. For every assignment he undertakes, he charges his commission and cost.His commission is fixed and equals Rs.560 per assignment while the cost equals Rs.2n² where n is the total number of chairs he makes. If for a certain assignment the average cost per chair is not more than Rs.68       then the minimum and maximum possible number of chairs in the assignment are, respectively.

  

  

  

  

The sum of nine consecutive odd numbers of Set A is 621. What is the sum of a different set of six consecutive even numbers whose lowest number is 15 more than the lowest number of Set A?

  

  

  

  

  

If all the fractions 3/5, 1/8, 8/11, 4/9, 2/7, 5/7 and 5/12 are arranged in the descending order of their values, which one will be the third?

  

  

  

  

  

A number when divided by 342 gives a remainder 47. When the same number is divided by 19, what would be the remainder?

  

  

  

  

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