Download App

: Rational Numbers — MATHS STD 8 — Question

ICSE BoardEnglish MediumSTD 8MATHS: Rational Numbers3 Marks
Question
Evaluate: $\left(-5 \times \frac{2}{15}\right)-\left(-6 \times \frac{2}{9}\right)$
✓

Answer

$ =\frac{(-5) \times 2}{1 \times 15}-\frac{(-6) \times 2}{1 \times 9}$
$ =\frac{(-1) \times 2}{1 \times 3}-\frac{(-2) \times 2}{1 \times 3}$
$ =\frac{-2}{3}-\left(\frac{-4}{3}\right)$
$ =\frac{-2+4}{3}$
$=\frac{2}{3}$

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 "[3 marks sum]" from : Rational Numbers→: Rational Numbers — all question types→MATHS STD 8 question papers→ICSE Board STD 8 question papers→ICSE Board question paper generator→

Similar questions

Write the set of odd factors of $72$.
→
$1×5$ divisible by $3$?
→
factorise: $a^2 - 23a + 42$
→
Find the square root of $7.832$ correct to: $ 2$ decimal places
→
Evaluate : $(2a +3) (2a − 3) (4a^2 + 9)$
→
Construct angle $ABC = 90^\circ$ . Draw $BP$, the bisector of angle $ABC$. State, the measure of angle $PBC$.
→
Solve: $5 x-\left(4 x+\frac{5 x-4}{7}\right)=\frac{4 x-14}{3}$
→
Find the product :
$\frac{-13}{5} \times(-10)$
→
Insert two rational numbers between $4.8$ and $6$
→
Find, if the following sets are empty: $B = \{x : x^2 + 4 = 0, x \in N\}$
→