Aptitude · all questions

Number System
practice.

Practice every MCQ with options. Use Show answers when you want the correct option and solution.

677

Questions

17/34

Page

Pick an option on a question to see the right answer and solution.

Q321

Open question

The product of two positive numbers is 11520 and their quotient is

\frac{9}{5}

. Find the difference between two numbers.

Select an option to see the answer and solution.

Q322

Open question

If a and b are odd numbers, then which of the following is even ?

Select an option to see the answer and solution.

Q323

Open question

The denominator of a fraction is 3 more than its numerator. If the numerator is increased by 7 and denominator is decreased by 2, we obtain 2. The sum of numerator and denominator of the fraction is -

Select an option to see the answer and solution.

Q324

Open question

The value of

(99 \frac{95}{99}) \times 99

is :

Select an option to see the answer and solution.

Q325

Open question

A number when divided by 91 gives a remainder 17. When the same number is divided by 13. The remainder will be -

Select an option to see the answer and solution.

Q326

Open question

Each member of a picnic party contributed twice as many rupees as the total number of members as the the total collection was Rs. 3042. The number of member present in the party was -

Select an option to see the answer and solution.

Q327

Open question

The value of :

(1 + \frac{1}{2})

(1 + \frac{1}{3})

(1 + \frac{1}{4})

.....

(1 + \frac{1}{120})

Select an option to see the answer and solution.

Q328

Open question

It is given that

(2^{32} + 1)

is exactly divisible by a certain number, which one of the following is also definitely divisible by the same number ?

Select an option to see the answer and solution.

Q329

Open question

The unit digit of the expression :

2 5^{6251} +

3 6^{528} +

7 3^{54} = ?

Select an option to see the answer and solution.

Q330

Open question

In an examination, a student was asked find

\frac{3}{14}

of a certain number. By mistake he found

\frac{3}{4}

of it, his answer is 150 more than the correct answer. The given number is -

Select an option to see the answer and solution.

Q331

Open question

Of the three numbers, the second is twice the first and is also thrice the third. If the average of these three numbers is 44, the largest number is -

Select an option to see the answer and solution.

Q332

Open question

A positive integer when divided by 425 gives a remainder 45. When the same number is divided by 17, the remainder will be :

Select an option to see the answer and solution.

Q333

Open question

The value of

0.2 + 0.3 + 0.32

is :

Select an option to see the answer and solution.

Q334

Open question

0. 142857 \div 0. 285714

is equal to :

Select an option to see the answer and solution.

Q335

Open question

A man read

\frac{2}{5}

th of a book on the first day. He read

\frac{1}{3}

rd more on second day than he read in the first day. 15 pages were left for the third day. The number of pages in the book is -

Select an option to see the answer and solution.

Q336

Open question

Unit digit of the number (22)²³ is :

Select an option to see the answer and solution.

Q337

Open question

A number consists of two digits. If the number formed by interchange the digits is added to the original number, the resulting number (i.e., the sum) must be divisible by -

Select an option to see the answer and solution.

Q338

Open question

The unit digit in the sum of