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ICSE/ISC->Std 10 Questions

Total Questions 428
Why mass is not constant in Rocket motion?
What are the uses of mathematical functions in Java?
Why do we shiver when we feel cld?
Why does our saliva production increase if we see or smell or even think of a tasty food?
what is the difference between 'true' and "true"?
What is cold war?
The hypotenuse of a grassy land in the shape of a right triangle is 1 m more than twice the shortest side. If the third side is 7 m more than the shortest side. Find the sides of the grassy land.
If sin 54 degree cosec (90 degree - 0) = 1, find the value of 0.
From point P on the ground the angle of elevation of the top of a 10 cm tall building and a helicopter hovering over the top of the building are 30 degree and 60 degree respectively. Find the height of the helicopter above the ground.
Find the values of k for which the quadratic equation x2 - 2kx +7k - 12 = 0 has equal roots.
A sector containing an angle of 90 degree is cut from a circle of radius 42 cm and folded into cone. Find the radius and curved surface are of the cone.
A(2,-4).B(3,3)and C(-1,5) are the vertices of triangle ABC. Find the equations of i)the median of the triangle A ii)the attitude of the triangle through B
The simple interest in 3 years and the compound interest in 2 years on the same sum at the same rate are Rs.2400 and Rs.1664 respectively. Find the sum and the rate of interest.
The length of veranda is 3 m more than its breadth. The numerical value of its area is equals to the numerical value of its perimeter. (i)form an equation using the above information. (ii)solve the above equation and hence find the dimension of the veranda.
Prove that : tan A +Sec A - 1/tan A - Sec+1 = 1+ sin A/cos A
A card is drawn from a well shuffled pack of 52 cards. Find the probability of drawing a red king or a red queen
The marks scored by 15 students in a class test are 3,6,8,13,.15,21,23,17,10,9,4,20,21,48,12. Find:(i)the median (ii)Q1,(iii)Q3
What are the applications of somatic cell hybridisation?
What is cleistogamy? please give an example for it.
What is double fertilisation? Why is it called so?