Shrinking Machine: In a shrinking machine, a piece of stick is co… - Vidyadip

Question

Shrinking Machine: In a shrinking machine, a piece of stick is compressed to reduce its length. If $9\ cm$ long sandwich is put into the shrinking machine below, how many cm long will it be when it emerges?

✓

Answer

According to the question, in a shrinking machine, a piece of stick is compressed to reduce its length. If $9\ cm$ long sandwich is put into the shrinking machine, then the length of sandwich will be $9\times\frac{1}{3^{-1}}=9\times3=27\text{cm}.$

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "2 Marks Questions" from Exponents and Powers→Exponents and Powers — all question types→MATHS STD 8 question papers→Gujarat Board STD 8 question papers→Gujarat Board question paper generator→

Similar questions

How many faces, edges and vertices does a pyramid have with n sided polygon as its base?

Observe the following pattern and find the missing numbers:
$11^2= 121$
$101^2= 10201$
$10101^2= 102030201$
$1010101^2= \_\_\_\_\_\_\_\_$
$\_\_\_\_\_\_\_\_^2 = 10203040504030201$

Evaluate: $\sqrt[3]{343}$

Factorise:
$63 a^2 b^2-7$

How many vertices are there in a: Tetrahedron.

Find following products: $\Big(2\text{a}+\frac{3}{\text{b}})(2\text{a}-\frac{3}{\text{b}}\Big)$

The sum of two numbers is $\frac{5}{9}.$ If one of the numbers is $\frac{1}{3},$ find the other.

Find m so that $(–3)^{m+1} × (–3)^{5} = (–3)^{7}$

Find $x$.
$2^{3x}= 8^{2x+1}$

A gardener has 1000 plants. He wants to plant these in such a way that the number of rows and the number of columns remains same. Find the minimum number of plants he needs more for his.