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Kerala (English Medium)->Std 10 Questions

Total Questions 1448
explain the working of dc generator?
Solve 2xsquare + x - 10
EACH BOY IN A GROUP OF BOYS GIVES A GIFT TO EVERY OTHER BOY IN THE SAME GROUP.IF THE TOTAL NUMBER OF GIFTS IS 132,HOW MANY BOYS ARE THERE IN THE GROUP?
TWO PIPES TOGETHER FILL A TANK IN 10/3 MINUTES .IF THE FIRST PPE ALONE FILLS THE TANK 3 MINUTES FASTER THAN THE SECOND,HOW LONG WILL EACH PIPE TAKE TO FILL THE TANK SEPARATELY
THE PRODUCT OF THE AGES OF RAMU AND HIS FATHER IS 45.FIVE YEARS AGO THE PRODUCT OF THEIR AGES WAS 124. HOW OLD ARE THEY NOW?
A TAKES 6 DAYS LESS THAN B TO COMPLETE A WORK.IF THEY TOGETHER COMPLETE THE WORK IN 4 DAYS,HOW MANY DAYS WILL B TAKE TO COMPLETE THE WORK ALONE?
THE PRODUCT OF THE DIGITS OF A 2 DIGIT NUMBER IS 14 .WHEN 45 IS ADDED TO THE NUMBER,THE PLACE VALUES OF ITS DIGITS GET REVERSED.IF X DENOTES THE DIGIT IN TENTH'S PLACE A)WHAT IS THEDIGIT IN ONE'S PLACE? B)FORM AN EQUATION USING THE GIVEN INFORMATION C)FIND THE TWO DIGIT NUMBER
CONSIDER THESECCOND DEGREE EQUATION (4-K)X*X+(2K+4)X+(8K+1)=0 A)FIND DISCRIMINANT B)IS THE DISCRIMINANT SECOND DEGREE EQUATION.WHY? C)FOR WHAT VALUE OF K WILL THIS EQUATION BE A PERFECT SQARE?
THE SUM OF THREE CONSECUTIVE TERMS OF AN ARITHMETIC SEQUENCE IS -3 AND THEIR PRODUCT IS 8. THEN 1)WHAT IS THE COMMON DIFFERENCE 2)WHICH IS THE FIRST TERM 3)DIFFERENCE BETWEEN FIRST TERM AND FIFTH TERM
To complete a job, Vinod needs 5 days less than that jose needs. Both of them together can complete the job in 6 days.How many days will jose take to complete the job, if he alone does the job?
what is meant by over loading?
difference between parallel and series circuit?
what is cercopithocoidea?explain it in the light of std x biology text book.
what is plantibodies?
what is meant by hominoidea and prosmians?
what is meant by "short circuit"?explain with diagrams.
what is Rh+,and Rh factor?how it causes erythryoblastosis foetiles?
how is the working of half wave rectifier?
what is called barchans?
THE REMINDER ON DIVIDING p(x) BY (x-a) IS k AND THE REMINDER ON DIVIDING Q(x) BY (x-a)IS -K. PROVE THAT (x-a) IS A FACTOR OF p(x)+Q(x). [kindly reply as fast you can.please..............]