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CBSE->Std 10 Questions

Total Questions 2595
how is soil conserved
Compare the motion of the window observed by a passenger on a train with its motion observed by a person watching the train go by.
DESCRIBE THE FORCES ACTING ON AN ORANGE THAT FALLS OFF A TREE. DESCRIBE THE NET FORCE IF THE ORANGE IS ACCELERATING DOWNWARD.
how does the clock know the time of earth?
how does sound come from our mouth when moving the tongue?
WHY DO PEOPLE BLINK THEIR EYES?
A fires 5 shots to B's 3 but A kills only once in 3 shots while B kills once in 2 shots. When B has missed 27 times, A has killed :
teacher i want the summary of the story "maarappavakal"written by karoor neelakanda pillai
There is a circular path around a sports field. Lakshmi takes 18 minutes to drive one round of the field, while Deepak takes 12 minutes for the same. Suppose they both starts at the same point and at the same time and go in the same direction. After how many minutes will they meet again at the starting point?
Why should a magnesium ribbon be cleaned before burning in air?
WHICH IS THE LARGEST NOUN IN THIS WORLD
MY WISH IS TO BECOME A CIVIL SERVICE OFFICER BUT I DONT LIKE BIOLOGY & SOCIAL SCEINCE .WHEN I WWRITE THE EXAM OR PARTICIPATE IN INTERVIEW THE QUESTIONS WHICH I GET WILL BE 90% WILL BE G.K WHAT TO DO
Show that one and only one out of n,n+2 or n+4 is divisible by 3 where n is any positive integer.
Give example of each for thermal decomposition and photo decomposition reaction. Write a relevant balanced chemical equation also.
Write the edge of cube in terms of its volume.
In a triangle ABC, if <A=60 and the altitudes from B and C meet AC and AB at P and Q respectively and intersect each other at I. Prove that APIQ and PQBC are cyclic quadrilateraals. Hence, find the measure of <BIC.
A block of wood of mass 5 kg and dimensions 40 cm x 20 cm x 10 cm is placed on a table top. Find the pressure exerted if the block lies on the table top with sides of dimensions i) 40 cm x 10 cm ii) 40 cm x 20 cm
Calculate the molar mass of S8
Find the ratio of the pressure exerted by a block of 200 N when placed on a table top along its two different sides with dimensions 20cm x 15cm and 30cm x 15cm
how can we determine the density of a solid object by using archimedes' principle?