In a right angled triangle, area and perimeter are equal in magnitude. If inradius is 20% of the circum radius, then the area of the triangle is ???
Which one of the following conditions must p, q and r satisfy so that the following system of linear simultaneous equations has at least one solution, such that p + q + r ≠ 0?
x+ 2y – 3z = p
2x + 6y – 11z = q
x – 2y + 7z = r
a. 5p –2q – r = 0
b. 5p + 2q + r = 0
c. 5p + 2q – r = 0
d. 5p – 2q + r = 0
Let a, b, c, d be four integers such that a+b+c+d = 4m+1 where m is a positive integer. Given m,
which one of the following is necessarily true?
a. The minimum possible value of a^2 + b^2 + c^2 + d^2 is 4m^2–2m+1
b. The minimum possible value of a^2 + b^2 + c^2 + d^2 is 4m^2+2m+1
c. The maximum possible value of a^2 + b^2 + c^2 + d^2 is 4m^2–2m+1
d. The maximum possible value of a^2 + b^2 + c^2 + d^2 is 4m^2+2m+1
I don hav OA..Plz share ur approach
If a = ten's digit of 29^543 and b = ten's digit of 72^342, the ratio a/b is ????
1. positive integral soln a+b+c }
2. Find the total number of ways in which 6 distinct rings can be put in 4 empty bags of different colour??
If log(10)x - log(10) x^1/2 = 2 log(x)10, then the possible value of x is given by
a)10
b)1/100
c)1/1000
d)100
e)none
don hav OA...share ur approach plz
If (1/3)log(3) M + 3 log(3) N = 1 + log(0.008) 5, then
a)M^9 = 9/N
b)N^9=9/M
c)M^3=3/N
d)N^9=3/M
Don hav OA...plz share the approach
Q1. In how many ways can we arrange 5 people in 8 seats in a straight line?
Q2. In how many ways can we arrange 5 out of 8 people in 5 seats in a straight line??
Two sticks of equal length are broken into 2 unequal pieces each. If p and q are the lengths of the smaller pieces of the 2 sticks and p>q, then the probability that p >= 4q is ???
if a,b,c are the sides of a triangle, then a^2+b^2+c^2 = k*(ab+bc+ca).
then the range of possible values of k is ???
1. 1 2. 1 3. 1 4. 0
Don't have the OA..
How many ways we can arrange 8 people round a square table with 2 seat on each side??
1^781 + 2^781 ....+ 9^781
Don't have OA.
Find the sum of the values of x such that |x+2| + |x-3| + |x+4| + |x+5| = 18
a.2.5 b.-3.5 c.-4.5 d.-5
Please share the approach as well.
can any one tell me the applications of digital sum
A man arrives at a railway station 1.5 hr before the time at which he had ordered his carriage to meet him. He walks at the rate of 4 kmph and meets the carriage 8km from his house and reaches 1 hour earlier than usual time. What's the speed of the carriage and distance from the station to his house? Approach pls 😃 Thanks in advance 😃
find the number of even factors of 40320 which can be expressed as a difference of square of a natural number in atleast one way?
approach please?
A number is formed by multiplying the 1st 100 natural number multiples of 5. What will be the highest power of 25 in that number ? solution? @Shubh.i @anandmadhav
- 24
- 124
- 62
- NOTA
0 voters
How many natural numbers are there with 24 factors where 2,3,5 are the only prime factors ?
a) 36
b) 27
c) 12
For the following question, someone please help with approach