Skip to content
Q) A medicine capsule is in the shape of a cylinder with two hemispheres stuck to each of its ends. The length of the entire capsule is 14 mm and the diameter of the capsule is 5 mm. Find its surface area. Ans: STEP BY STEP SOLUTION We reconstruct the diagram of capsule as combination […]
Q) A train travels 360 km at a uniform speed. If the speed had been 5 km/hr more, it would have taken 1 hour less for the same journey. Find the speed of the train. Ans: Let’s consider the speed of the train is X km/hr. Now, to cover distance of 360 km, it will take
Q) If the sum of m terms of an A.P. is the same as the sum of its n terms, show that the sum of its (m+n) terms is zero. Ans: Let = First term of the given A.P. and = Common difference . Then, . Now, Hence Proved! Please do press “Heart”
Q) The ratio of the sum of m and n terms of an A.P. is . Show that the ratio mth and nth term is (2m-1) : (2n-1). Ans: Let: First term of given A.P. = , Common difference = , Then, the sums of m and n terms are given by Then, Please do
Q) Solve the following quadratic equation by factorization method: Ans: The Constant term can also be presented as: Similarly, Coefficient of the middle term can be presented as: Now, the original quadratic equation: Or, Now, if and if Please do press “Heart” button if you liked the solution.
Q) Solve the following quadratic equation by factorization method: Ans: The Constant term can also be presented as: Similarly, Coefficient of the middle term can be presented as: Now, the original quadratic equation: Please do press “Heart” button if you liked the solution.
Solve the following quadratic equation by factorization method: 4×2−2(a2+b2)x+a2b2=0 Read More »
Q) In order to conduct Sports Day activities in your School, lines have been drawn with chalk powder at a distance of 1 m each, in a rectangular shaped ground ABCD, 100 flowerpots have been placed at a distance of 1 m from each other along AD, as shown in given figure below. Niharika runs
In order to conduct Sports Day activities in your School, lines have been drawn with Read More »
Q: A group of students of class X visited India Gate on an education trip. The teacher and students had interest in history as well. The teacher narrated that India Gate, official name Delhi Memorial, originally called All-India War Memorial, monumental sandstone arch in New Delhi, dedicated to the troops of British India who died
A group of students of class X visited India Gate on an education trip. The teacher and Read More »
Q: On a Sunday, your Parents took you to a fair. You could see lot of toys displayed, and you wanted them to buy a RUBIK’s cube and strawberry ice-cream for you. Observe the figures and answer the questions:- 1. The length of the diagonal if each edge measures 6cm is a) 3√3.
Q) Solve the following quadratic equation by factorization method: Ans: The Constant term can also be presented as: Similarly, Coefficient of the middle term can be presented as: Now, the original quadratic equation: and and Please do press “Heart” button if you liked the solution.