Q2find range of x for |x-3|>5 and |x|
what is remainder of (98^3+99^3+101^3+102^3)/400
Can anybody plz explain me the difference between n-1Cr-1 and n+r-1Cr-1 in pnc topic?when to apply which formula?i am confused😠
Q3: 120 students appeared for a test of 100 markrs. No three students got the same marks. Wht is the smallest no. of pairs of students having the same marks?
Q4: A quad. polynomial p(x) is such that p(x) never takes any -ve value . also p(0)=8 and p(8)=0. find p(-4)?
Q5: Plot a region on xy plane satisfying |x|+|y|+|x+y|
A easy question .
Kavita was travelling in her boat when the wind blew her hat off and the hat started floating back downstream . The boat continues to travel upstream for twelve more minutes before kavita realized that her hat had fallen off and turned back downstream . She caught up with that as soon as it reached the starting point . Find the speed of River if kavita's hat flew off exactly where she started .
The equation 4x-Ay=B has a number of integral solution.If HCF(A,4)=1 and the number of the solutions (x,y) for 0
- 2
- None of These
- 1
- 3
0 voters
for a quadratic equation f(x)=x^2+ax+b its two real roots lies between [2 , 3] , find the possible product of f(2)*f(3). a) 1/16 b) 1/8 c)1/4 d)1
from my end last two: gd mrng:)
Q6:suppose 27 balls , one of w/c is heaviour than rest. you have a pan balance which you are allowed to use only at most thrice. is it possible to determine heaviour ball in 3 weighings?
Q7:how many 3 digits even nos. are such that if they are substracted from their reverse the result is +ve multiple of 66?
(x-7) ^ (x^2-29x+154 / x^2 -12x+32) = 1
How many real values of 'x' satisfy the given equation? What are those values?
I just solved this sum and I think it will be very helpful.
Regards,
Puny Human
Ram distributes toffeees among 10 children and he has 9 left, with 9 children he has 8 left....so on..until there are 5 children and he has 4 left.what is the second highest numbr of toffees with him
Ravi, who lives in a countryside, caught a train for home earlier than usual yesterday. His wife normally drives to the station to meet him. But yesterday he set out on foot from the station to meet his wife on the way. He reached home 12 minutes earlier than he would have done had he waited at the station for his wife. The car travels at a uniform speed which is 5 times Ravi's speed on foot. Ravi reached home at exactly 6 o'clock. At what time would he have reached home if his wife, forewarned of his plan, had met him at the station?
In how many ways 18 identical ball distributed among 3 identical box
Remainder of 7^99 divided by 2400 is?
Fresh grapes contain 90% water by weight whereas dry grapes contain 20% water by weight. Ram buys 64 kg of fresh grapes for 160rs. At what price should ram sell the dry grapes to get a profit of 20%???? please solve
A factory equipment cost a certain factory rs 5,00,000. If the equipment depreciates 15% in value in the first year , 13.5% in the next year, 12% in the third year and so on what will be its value at the end of 10 years (all percentage applying to original cost of equipment)? please solve completely
Can this question be done orally?
Three runners ˆ’ A, B and C ˆ’ start from a point on a circular track simultaneously. A and B run in clockwise direction whereas C runs in anti-clockwise direction. When A and C meet for the first time, B is diametrically opposite to them. If A is the fastest among them, the ratio of the speeds of A, B and C can be:
5:2:1
4:2:1
5:2:2
5:2:3