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CBSE Questions

Total Questions 9982
who is the finance minister of kerela?
what is histone protiens?
evaluate integral of sec.sq(9-4x)dx
What is galvanisation
Construct a triangle with sides 5cm, 6cm, and 7cm and then another triangle whose sides are 7/5 of the corresponding sides of the first triangle
What is sodium bicarbonate?
What is dynamic friction?
DEAR SIR , IWANT TO KNOW THAT IF SINGLE BONDS , DOUBLE BONDS , TRIPLE BONDS ARE COMING UNDER COVALENT BONDS
In Hydrogen atom, if the electron is replaced by a particle which is 200 times heavier but has the same charge, how would its radius change..?
Can rDNA technology used for introducing desirable characters into human body.? WHY..?
daily wages of 50 workers of a factory are given daily wages number of workers 100-120 12 120-140 f 140-160 8 160-180 6 180-200 10 find the missing frequency f. hence find the median daily wages of the workers
find the mean of the given data which represent the height (in cm) of 50 girls of class 10 of a school height(in cm ) = 120-130 130-140 140-150 150-160 160-170 total number of girls = 2 8 12 20 8 50
find the mode of the following data classes frequency 5-15 6 15-25 11 25-35 21 35-45 23 45-55 14 55-65 5
if sin a + cos a = root 3 , then prove that tan a + cot a =1
IN A TRIANGLE ABC IT IS GIVEN THAT XY IS PARALLEL TO AC AND IT DIVIDES THE TRIANGLE INTO TWO PARTS OF EQUAL AREA . FIND AX DIVIDED BY AB
D IS THE MID-POINT OF SIDE QR OF TRIANGLE PQR AND E IS THE MID-POINT OF PD. QE PRODUCED MEETS PR AT THE POINT M PROVE THAT QE=3EM
THE RATIO OF MONTHLY INCOMES OF TWO PERSONS IS 9:7 AND THE RATIO IN THEIR EXPENDITURE IS 4:3. IF EACH PERSONS CAN SAVE RS.2000 PER MONTH, THEN FIND THEIR MONTHLY INCOMES
IN A 2 DIGIT NUMBER , THE DIGIT IN THE UNIT PLACE IS TWICE OF THE DIGIT IN THE TENTH PLACE . IF THE DIGITS ARE REVERSED ,THE NEW NUMBER IS 27 MORE THAN THE GIVEN NUMBER . FIND THE NUMBER.
SHOW THAT ONE AND ONLY ONE OUT OF n,n+2 OR n+4 IS DIVISIBLE BY 3 , WHERE n IS ANY POSITIVE INTEGER
a line intersects sides AB and AC of triangle ABC at D and E respectively and is parallel to BC ,use basic proportionality theorem , to prove that BD divided by AB equal to CE divided by AC