Basics of Simplification

Find the largest given prime number. In four consecutive prime numbers that are in descending order, the product of the first three is $2431$ and that of the last three is $1001$.

The natural numbers along with zero forms the collection of:

If $5\sqrt{5}\times 5^3÷5^{\raisebox{1ex}{$3$}\!\left/ \!\raisebox{-1ex}{$2$}\right.}=5^{a+2}$, then the value of $a$ is:

A man bought a second-hand typewriter for$₹ 1200$ and spent$₹ 200$ on its repairs. He sold it for $₹ 1680$. His profit percent is _____.

The number $3$ less than $-2$ is:

What should come in the place of (?) for the expression given below?

$0.5\times 5+0.25\times 0.5+0.5\times 4+0.5\times 0.75=?$

How many mm represent $1 \mathrm{km}$?

What is the value of '$x$' in the following questions?

$24\% of 250 - x = 18\% of 50$

Which of the following is the maximum sum of $44,42,40$ ……?

What is the value of $4.1\overline{2}$?

If $\theta$ is a positive acute angle and $\tan 2\theta ·\tan 3\theta =1$, then the value of $\left(2 {\cos }^2\frac{5\theta }{2}-1\right)$ is _________.

A number $N$ is a positive three-digit number If $x$ is at its hundred's place and $y$ is at its unit's place, then the number $N-100x-y$is always divisible by

What value will come in place of question mark$(?)$  in the questions given below $?$

$666.66 + 66.66 + 6.6 = ?$

In the formula, $\mathrm{H}=\frac{2ab}{a+b}$ if $a = 5$ and $\mathrm{H} = 8$, then the value of  is:

Find the cost price for this article, if an article is sold for $₹575$ the amount of profit is equal to the amount of loss if it is sold for $₹385$ ?

Which of the following number is multiple of $8$?

The absolute value of $-11$ is:

Find the value of-

$\sqrt{400}+\sqrt{0.64}+\sqrt{0.000004}$

It is given that $(2^{32} +1)$ is exactly divisible by a certain number. Which of the following is also definitely divisible by the same number?

What will be the unit digit of the cube root of a number ends with $8$?