Question 1 :
A can do a piece of work in 6 days and B can do it in 8 days. How long will they take to complete it together?

Question 2 :
A and B take 6 hours and 9 hours respectively to complete a work. A Work for 1 hour and then B works for two hours. How much work is done in these 3 hours?

Question 3 :
Two numbers are in the ratio 3 : 5. If the sum of the numbers is 144, then the largest number is<br/>

Question 7 :
The number of (unlike) terms in the expression 3xy² + 2y²z – y²x + y(xz + yz) – 5<br/>

Question 9 :
The value of the expression {tex}\frac { 5 }{ 3 }{/tex} x² + 1 when x = -2 is<br/>

Question 10 :
A certain distance is covered at a certain speed. If half of the distance is covered in double time, then find the ratio of the two speeds.

Question 11 :
The additive inverse of {tex}\frac { -7 }{ 12 }{/tex} is<br/>

Question 13 :
In Fig. , line {tex} \mathrm{AB} \| {/tex} line {tex} \mathrm{CD} {/tex} and line {tex} \mathrm{CD} \| {/tex} line {tex} \mathrm{EF} {/tex}. Then line {tex} \mathrm{AB} \| {/tex} line EF? <br><img style='object-fit:contain' src="https://storage.googleapis.com/teachmint/question_assets/ICSE%20-%20Class%207/5fb7a4cfdba5935f6cc6eefb"><br>

Question 14 :
Write the complement of each of the following angles:<br>{tex} 45^{\circ} 45^{\prime} {/tex}<br>

Question 16 :
In a right-angled triangle, the lengths of two leg’s are 6 cm and 8 cm. The length of the hypotenuse is<br/>

Question 17 :
A triangle is not possible with sides of lengths (in cm)<br/>

Question 18 :
An exterior angle of a triangle is 125°. If one of the two interior opposite angles is 55° then the other interior opposite angle is<br/>

Question 22 :
The mean of three different natural numbers is 40. If lowest is 19, what could be highest possible number of remaining two numbers?<br/>

Question 23 :
The mode of the data:<br/> 3, 5, 1, 2, 0, 2, 3, 5, 0, 2, 1, 6 is<br/>

Question 26 :
The number of goals scored by a football team in a series of matches are: 3, 5, 0, 1, 2, 0, 4, 1, 3. The median of this data is<br/>

Question 28 :
The price of a chair is reduced by 25%. What is the ratio of: Old price to the new price.