Question 1 :
What should be subtracted from {tex}\frac { -5 }{ 3 }{/tex} to get {tex}\frac { -2 }{ 7 }{/tex}?<br/>
Question 3 :
A car travels 80 km in 5 litres of petrol, then the distance covered by it in 15 litres of petrol is<br/>
Question 4 :
If 5 pipes can fill the tank in 1 hour, then 4 pipes will fill the tank in<br/>
Question 5 :
A tree 12 metre high casts a shadow of length 8 metre. Height of the tree whose shadow is 6 metre in length is<br/>
Question 6 :
A photograph of bacteria is enlarged 100000 times attains a length of 5 cm, then actual length of the bacteria is<br/>
Question 7 :
If 10-men can complete a work in 6 days, then 30 men can complete the same work in<br/>
Question 11 :
In 10 days, the earth picks up 2.6 × 10{tex}^8{/tex} kg of dust from the atmosphere. How much dust will it pick up in 45 days?
Question 12 :
In a mess, there was enough food for 200 students for 20 days. If 50 new students joined them, then the food will last for<br/>
Question 13 :
A tap fills a tank in 8 hours and another tap at the bottom empties it in 10 hours. If both work together, the tank will be filled in<br/>
Question 14 :
If x + {tex}\frac{1}{x}{/tex} = 2, then x<sup>2</sup> + {tex}\frac{1}{x^{2}}{/tex} is equal to<br/>
Question 15 :
If x<sup>2</sup> + y<sup>2</sup> = 9 and xy = 8, then x + y is equal to<br/>
Question 17 :
If the area of a rectangle is 24(x<sup>2</sup>yz + xy<sup>2</sup>z + xyz<sup>2</sup>) and its length is 8xyz, then its breadth is<br/>
Question 21 :
A polyhedron have 4 faces, 4 vertices and 6 edges. Name the polyhedron.<br/>
Question 23 :
How many pairs of congruent parallel faces does a rectangular prism have?<br/>
Question 25 :
In a polyhedron E = 15, V = 10, then F is<br/>
Question 26 : Which of the following is not a prism?<br/> <img style='object-fit:contain' src="https://storage.googleapis.com/teachmint/question_assets/ICSE%20-%20Class%208/5ef1b37493cf806c4d41bfd0"/><br/>
Question 27 :
If the length of a diagonal of a quadrilateral is 10 cm and lengths of the perpendiculars on it from opposite vertices are 4 cm and 6 cm, then area of quadrilateral is<br/>
Question 28 :
If the dimensions of a rectangular room are 10m × 12m × 9m, then the cost of painting its four walls at the rate of ₹8 per m<sup>2</sup> is<br/>
Question 29 :
Area of a rhombus is 90 cm<sup>2</sup>. If the length of one diagonal is 10 cm then the length of other diagonal is<br/>
Question 30 :
If the volume of a cube is 729 cm<sup>3</sup>, then its surface area is<br/>
Question 31 :
Volume of a cylinder is 1848 cm<sup>2</sup>. If the diameter of its base is 14 cm, then the height of the cylinder is<br/>
Question 32 :
If the lateral surface area of a cube is 100 cm<sup>2</sup>, then its volume is<br/>
Question 33 :
List price of an article is ₹1050. If 6% sales tax is charged, then bill amount is<br/>
Question 34 :
A jacket is marked for ₹2590. If the S.P. of the jacket is ₹2331, then discount % is<br/>
Question 36 :
Naman buys a game for ₹60 and sells it for ₹75, his profit % is<br/>
Question 39 :
Express:<br>{tex} 350 \mathrm{~g} {/tex} as a per cent of {tex} 9 \mathrm{~kg} {/tex}<br>
Question 40 :
The compound interest on ₹10000 at 8% per annum for 6 months compounded quarterly is
Question 41 :
The compound interest on ₹ 1000 at 10% p.a. for 2 years is<br/>
Question 42 :
The compound interest on ₹5000 at 20% per annum for {tex}1 \frac{1}{2}{/tex} years compounded half yearly is<br/>
Question 43 :
What Sum of money lent at 12 <sup> 1 </sup> ⁄ <sub> 2 </sub> % per annum will produce the same interest in 4 years as ₹8560 produces in 5 years at 12% per annum?
Question 44 :
A mango tree of height 125 cm was planted 3 years ago. If it increases at the rate if 20% per annum, what is its present height?
Question 45 :
If we divide ₹8000 into two parts such that if one part is lent at 7 <sup> 1 </sup> ⁄ <sub> 2 </sub> % per annum for 2 years and the other part at 8% per annum for 3 years, the total interest received is ₹1416. How much is the First Part and the Second Part?
Question 46 :
If ₹64 Amount to ₹83.20 in 2 years, what will ₹86 Amount to in 4 years at the same Rate percent per annum?
Question 48 :
If we are to divide a Sum of ₹13,500 into two parts such that if one part is lent as 8 <sup> 1 </sup> ⁄ <sub> 3 </sub> % per annum for 2 years 9 months and the other at 7 <sup> 1 </sup> ⁄ <sub> 2 </sub> % per annum for 1 year 8 months. What are the two parts if the total interest received is ₹2375?
Question 50 :
What is the Simple Interest on ₹6240 at 6 <sup> 2 </sup> ⁄ <sub> 3 </sub> % per annum for the period from December 28, 2011 to May 22, 2012?
Question 51 :
Rahul lent ₹6,000 to Martin for 2 years and ₹1500 to Ali for 4 years and received altogether from both ₹900 as Simple Interest. What is the rate of interest?
Question 52 :
Naveen and Praveen borrowed ₹42,000 and ₹55,000 for 3 <sup> 1 </sup> ⁄ <sub> 2 </sub> years at the same rate of interest. If Praveen has to pay ₹3640 more than Naveen, what is the rate of interest?
