Aptitude · all questions

Number System
practice.

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

677

Questions

19/34

Page

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

Q361

Open question

Which of the following numbers are completely divisible by 7 ?
I. 195195
II. 181181
III. 120120
IV. 891891

Select an option to see the answer and solution.

Q362

Open question

What should come in place of * mark in the following equation ?
1 * 5 $ 4 ÷ 148 = 78

Select an option to see the answer and solution.

Q363

Open question

2 - 2 + 2 - 2 + ..... 101 terms = ?

Select an option to see the answer and solution.

Q364

Open question

The number formed from the last two digits (ones and tens) of the expression 2¹²ⁿ - 6⁴ⁿ , where n is any positive integer is :

Select an option to see the answer and solution.

Q365

Open question

If x, y, z and w be the digits of a number beginning from the left, the number is :

Select an option to see the answer and solution.

Q366

Open question

The digit in the unit place of the number represented by (7⁹⁵ - 3⁵⁸) is :

Select an option to see the answer and solution.

Q367

Open question

If a + b + c = 6 and ab + bc + ca = 10, then value of a³ + b³ + c³ - 3abc is :

Select an option to see the answer and solution.

Q368

Open question

The smallest number of 5 digits beginning with 3 and ending with 5 will be :

Select an option to see the answer and solution.

Q369

Open question

On multiplying a number by 7, all the digits in the product appear as 3’s. The smallest such number is :

Select an option to see the answer and solution.

Q370

Open question

Between two distinct rational numbers a and b, there exists another rational number which is :

Select an option to see the answer and solution.

Q371

Open question

A number is divisible by 11 if the difference between the sums of the digit in odd even places respectively is :

Select an option to see the answer and solution.

Q372

Open question

6 × 3 (3 - 1) is equal to :

Select an option to see the answer and solution.

Q373

Open question

325325 is a six-digit number. It is divisible by :

Select an option to see the answer and solution.

Q374

Open question

If a and b are two numbers such that ab = 0, then -

Select an option to see the answer and solution.

Q375

Open question

The number of zeros at the end of 60! is :

Select an option to see the answer and solution.

Q376

Open question

In a division problem, the divisor is 7 times of quotient and 5 times of remainder. If the dividend is 6 times of remainder, then the quotient is equal to :

Select an option to see the answer and solution.

Q377

Open question

What should be the maximum value of q in the following equation?
5P9 - 7Q2 + 9R6 = 823

Select an option to see the answer and solution.

Q378

Open question

Let n be a natural number such that

\frac{1}{2}

\frac{1}{3}

\frac{1}{7}

\frac{1}{n}

is also a natural number. Which of the following statements is not true ?

Select an option to see the answer and solution.

Q379

Open question

If 37 X 3 is a four-digit natural number divisible by 7, then the place marked as X must have the value :

Select an option to see the answer and solution.

Q380

Open question

If m and n are positive integers, then the digit in the unit's place of 5ⁿ + 6^m is always :

Select an option to see the answer and solution.

Prev 17 18 19 20 21 Next

Number Systempractice.

Number System
practice.