Aptitude · all questions

Number System
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Q561

Let a number of three digits have for its middle digit the sum of the other two digits. Then it is a multiple of :

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Q562

If n is a whole number greater than 1, then n² (n² - 1) is always divisible by :

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Q563

The smallest 4-digit number exactly divisible by 7 is :

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Q564

How many 3-digit numbers are completely divisible by 6 ?

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Q565

The difference between two numbers is 1365. When the large number is divided by the smaller one, the quotient is 6 and the remainder is 15. What is the smaller number ?

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Q566

(7¹⁹ + 2) is divided by 6. The remainder is :

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Q567

If the square of sum of three positive consecutive natural number exceeds the sum of their squares by 292, then what is the largest of the three number?

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Q568

Two consecutive natural numbers are always . . . . . . . .

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Q569

The least number that must be subtracted from 1294 so that the remaining number when divided by 9, 11, 13 will leave in each case the same remainder 6 is:

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Q570

What least number must be subtracted from 210, so that the sum is completely divisible by 11?

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Q571

A number when divided by the sum of 555 and 445 gives two times their difference as quotient and 30 as the remainder. The number is:

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Q572

In which set of numbers every pair is coprime to each other?

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Q573

Which of the following given value is greater than

\root 3 \of 12 ?

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Q574

Sum of three fractions is

2 \frac{11}{24} .

On dividing the largest fraction by the smallest fraction,

\frac{7}{6}

is obtained which is

\frac{1}{3}

greater than the middle fraction. The smallest fraction is

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Q575

Each prime number has . . . . . . . . factor/factors.

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Q576

The greatest perfect square number of digits is?

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Q577

If A =

0.3 12,

B =

0.4 15

and C =

0.30 9,

then what is the value of A + B + C?

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Q578

How many numbers are there from 500 to 650 (including both) which are neither divisible by 3 nor 7?

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Q579

3⁵⁰ + 9²⁶ + 27¹⁸ + 9²⁸ + 9²⁹ is divisible by which of the following integers?

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Q580

Convert decimal 101 to binary:

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