Aptitude · all questions

Number System
practice.

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Q261

Open question

Arrangement of the fractions into ascending order :

\frac{4}{3},

- \frac{2}{9},

- \frac{7}{8},

\frac{5}{12}

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Q262

Open question

If 1³ + 2³ + .....+ 10³ = 3025, then the value of 2³ + 4³ +.....+ 20³ is :

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Q263

Open question

There are 50 boxes and 50 persons. Person 1 keeps 1 marble in every box, person 2 keeps 2 marbles in every 2nd box, person 3 keeps 3 marbles in every third box. The process goes on till person 50 keeps 50 marbles in the 50th box. Find the total number of marbles kept in the 50th box.

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Q264

Open question

The difference between the greatest and the least four digit numbers that begins with 3 and ends with 5 is :

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Q265

Open question

If in a three digits number the last two digits places are interchanged a new number is formed which is greater than the original number by 45. What is the difference between the last two digits of that number ?

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Q266

Open question

Which of the following is a perfect square ?

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Q267

Open question

While solving a problem, by mistake, Anita squared a number and then subtracted 25 from it rather than first subtracting 25 from the number and then squaring it. But she got the right answer. What was the given number ?

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Q268

Open question

The decimal fraction

2.3 49

is equal to :

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Q269

Open question

A number x when divided by 289 leave 18 as the remainder. The same number when divided by 17 leaves y as a remainder. the value of y is :

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Q270

Open question

The digit at Hundred's place value of 17! is :

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Q271

Open question

The sum of two numbers is 75 and their difference is 25. The product of the two numbers is :

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Q272

Open question

The reciprocals of the squares of the number

1 \frac{1}{2}

and

1 \frac{1}{3}

are in the ratio :

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Q273

Open question

Which is the largest among the numbers :

\root 3 \of 7, \root 4 \of 13, 5

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Q274

Open question

When a number is divided by 5, the remainder is 3. What will be the remainder when sum of cube of that number and square of that number is divided by 5 ?

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Q275

Open question

The simplified value of

\frac{( 0.0539 - 0.002 ) \times 0.4 + 0.56 \times 0.07}{0.04 \times 0.25}

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Q276

Open question

A and B have together three times what B and C have, while A, B, C together have thirty rupees more than that of A. If B has 5 times that of C, then A has :

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Q277

Open question

The number which can be written in the form of n (n + 1) (n + 2), where n is a natural number, is :

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Q278

Open question

The difference of a number consisting of two digits from the number formed by interchanging the digits is always divisible by :

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Q279

Open question

The unit digit in the product of 3 × 38 × 537 × 1256 is :

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Q280

Open question

Find the square root of

\frac{( 0.064 - 0.008 ) ( 0.16 - 0.04 )}{( 0.016 + 0.08 + 0.04 ) ( 0.4 + 0.2 ) ^{3}}

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Number Systempractice.

Number System
practice.