# mathsphy Maths NO MORE scary

S No. Topic Video
21 4.3 Q8 A train travels 360 km at a uniform speed. If the speed had been 5 km/h more, it would have taken 1 hour less
22 4.3 Q9 Two water taps together can fill a tank in 9 3/8 hours. The tap of larger diameter takes 10 hours less than..
23 4.3 Q10 An express train takes 1 hour less than a passenger train to travel 132 km between Mysore and Bangalore (without taking into
24 4.3 Q11 Sum of the areas of two squares is 468 m2. If the difference of their perimeters is 24 m, find the sides of the two squares.
25 4.4 Q1 Find the nature of the roots of the following quadratic equations. If the real roots exist, find them;
26 4.4 Q2 Find the values of k for each of the following quadratic equations, so that they have two equal roots.
27 4.4 Q3 Is it possible to design a rectangular mango grove whose length is twice its breadth, and the area is..........
28 4.4 Q4 Is the following situation possible? If so, determine their present ages. The sum of the ages.......
29 4.4 Q5 Is it possible to design a rectangular park of perimeter 80 and area 400 m²? If so find its length and breadth.
Topic/Video

21 4.3 Q8 A train travels 360 km at a uniform speed. If the speed had been 5 km/h more, it would have taken 1 hour less

22 4.3 Q9 Two water taps together can fill a tank in 9 3/8 hours. The tap of larger diameter takes 10 hours less than..

23 4.3 Q10 An express train takes 1 hour less than a passenger train to travel 132 km between Mysore and Bangalore (without taking into

24 4.3 Q11 Sum of the areas of two squares is 468 m2. If the difference of their perimeters is 24 m, find the sides of the two squares.

25 4.4 Q1 Find the nature of the roots of the following quadratic equations. If the real roots exist, find them;

26 4.4 Q2 Find the values of k for each of the following quadratic equations, so that they have two equal roots.

27 4.4 Q3 Is it possible to design a rectangular mango grove whose length is twice its breadth, and the area is..........

28 4.4 Q4 Is the following situation possible? If so, determine their present ages. The sum of the ages.......

29 4.4 Q5 Is it possible to design a rectangular park of perimeter 80 and area 400 m²? If so find its length and breadth.