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CBSE->Std 9 Questions

Total Questions 1962
AMOTOR BOAT STARTING FROM REST ON A LAKE ACCELERATES IN A STRAIGHT LINE AT A CONSTANT RATE OF 30M/S^2 FOR 8SEC .HOW FAR DOES THE BOAT TRAVELS DURING THIS TIME?
A BODY HAS A VELOCITY OF 20M PER S.IF IT UNIFORMILY RETARDS AT THE RATE OF 10M/S^2 .FIND THE VELOCITY OF THE BODY AFTER 2 SEC?
The different types of ruling other than a democratic govt:?
What is the requirement of a country to gain veto power in the U.N?
why is China not democratic?
why does eastern flowing rivers in India make delta were as western flowing rivers make estuaries why?
how does lipids emulsification in stomach take place?
What is a bactericidal enzyme?
explain TREATY OF VERSAILLES
How can we factorise a polynomial by spliting the middle term
How can we divide a polynomial
WHAT IS CPCT? EXPLAIN .
if a+b+c=5 and ab+bc+ca=10 then prove that a³+b³+c³ -3abc=-25
phythagorus thearom
WHAT IS CPCT?DESCRIBE IT WITH A FIGURE
Can you fill this? Pleasure and pain are inseparable facetes of human existence .While the experience of our well being is real,and affects our body,mind and spirit ----- our lives in more ways than one. [options - alter, alters, altered, altering.]and explain why?
?2-(1/?2+1)=a+b?2, Find values a and b.
international monetary fund(IMF)is noted truly democratic institution justify with suitable examples.
who was elected as the president of chile in 1970? what steps did he take to help the poor.
the polynomial p(x)=3x2-5x+k and q(x)=2x2-6x2+5k-3 when divided by x+2 leave the remainders r1 and r2 respectively.find the value of k if r1=r2