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rohit
Questions and answers by visitors named
rohit
Questions (54)
You must have seen actors in Hindi films jumping over huge gaps on horse backs and motor cycles. In this problem consider a
4 answers
asked by
rohit
1,318 views
whr do cattles and sheep live like in high altitudes or middle or low altitudes?
Cattle need food, water, and a temperature range
1 answer
449 views
are alps bigger or mountains?or wat's the difference between them?
Alps are mountains in one specific geographic region. It is a
2 answers
1,249 views
Arcturus is about half as hot as the Sun but is about 100 times more luminous. What is its radius campared to the sun.
If
1 answer
639 views
The parallax of the red giant Betelguese is just barely measurable and has a value of about 0.005 arc seconds. What is its
1 answer
865 views
1- What volume of hydrogen gas at 273 K and 1 atm pressure will consumed in obtaining 2.16 gm of elemental born(atomic
2 answers
623 views
what computers can do?what computers cannot do?what are the advantages and disadvantages of computers?what are the roles of
4 answers
1,440 views
determine the concentrated of mohrs salt solution with the help of supplied n/10 kmno4 solution preparred?
1 answer
395 views
if x3+ax2-bx+10 is divisible by x2-3x+2 .find the value of a and b
4 answers
1,675 views
underoot 2x square +3x + underoot 2 by alpha into beta method.
1 answer
270 views
Find the sum of all 3-digit positive numbers N that satisfy the condition that the digit sum of N is 3 times the digit sum of
6 answers
1,274 views
How many integers appear in both of the following arithmetic progressions:
A1:2,9,16,……,2+(1000−1)×7
1 answer
368 views
What is the slope of the line tangent to the quadratic f(x)=4x^2−3x+6 at x=7?
1 answer
356 views
A moving dot P departs from O at an initial speed of 6 m/s in the east direction and accelerates at 2 m/s^2 in the east
1 answer
428 views
The sun goes around the center of our galaxy once every 250 million years. The sun is also 2.55×10^20 m from the center of our
1 answer
411 views
What is the smallest positive common difference of a 6-term arithmetic progression consisting entirely of (positive) prime
1 answer
388 views
ABC is an acute triangle with \angle BCA = 35 ^\circ. Denote the circumcenter of ABC as O and the orthocenter of ABC as H. If
1 answer
651 views
Two parallel wires carry 1-A currents in unknown directions. The distance between the wires is 10-cm. What is the magnitude of
1 answer
474 views
A current I=1A flows along a thin-walled cylinder of radius R=4cm. What pressure in Pascals do the walls of the cylinder
1 answer
387 views
What is the largest possible integer that can be chosen as one of five distinct positive integers whose average is 10?
Details
2 answers
497 views
Let f(x)=x^2−1. How many distinct real roots are there to f(f(f(x)))=0?
1 answer
450 views
x,y and z are positive reals. What is the maximum value of ((x+y+z)^3−x^3−y^3−z^3)^2/(x^2+y^2+z^2)^3−x^6−y^6−z^6
3 answers
350 views
Three coins are randomly placed into different positions on a 4×10 grid. The probability that no two coins are in the same row
1 answer
466 views
The probability that Katarina will correctly solve a given Brilliant math problem is 1/8. The probability that Layla will solve
4 answers
562 views
You and your friend, both of mass 70 kg, are playing catch with a frisbee on frictionless ice. Initially, you are both at rest.
3 answers
600 views
Suppose z=a+bi, where a and b are integers and i is the imaginary unit. We are given that |1+iz|=|1−iz| and |z−(13+15i)|<17.
1 answer
457 views
What is the sum of all integer values of n such that 3n+15/(n−1)(n−5) is also an integer
1 answer
410 views
Find the number of positive integers <1000 that can be expressed as 2^k−2^m, where k and m are non-negative integers.
1 answer
369 views
As x,y,z ranges over all possible real numbers, what is the minimum value of 3x^2+12y^2+27z^2−4xy−12yz−6xz−8y−24z+100?
3 answers
460 views
On children's day, a teacher brought 63 erasers and 147 sweets to distribute out completely to her class. Each student receives
3 answers
490 views
As θ ranges over all real values, what is the maximum value of
(14sinθ+5cosθ)^2
1 answer
373 views
Earthquakes are motions of the earth's crust. Essentially, they are big sound waves that travel through the earth. There are two
3 answers
654 views
What is the smallest positive integer with exactly 12 (positive) divisors?
2 answers
796 views
How many positive integers n are there such that 10^n≤n^10?
1 answer
323 views
How many functions f from the reals to the reals are there, such that f(f(x))=x^2−2?
Details and assumptions f need not be a
1 answer
385 views
Find the smallest number N such that:
The number of divisors of N is A. The number of divisors of A is B. The number of divisors
1 answer
353 views
Determine 208/207+208/207×206/205+208/207×206/205×204/203+…
1 answer
414 views
A reference solution is to be prepared with 5 PPM parabenzopyrene (molecular weight = 252). The quantity of parabenzopyrene
4 answers
959 views
a+boundary+wall+of+your+house+is+divided+in+to+10+vertical+strips+of+equal+width+you+painted+4+strips+of+wall+with+pink+3+with+y
1 answer
470 views
draw a square on the graph paper whose each side of the length 5 centimetre and then make partition of the square into 25 small
2 answers
501 views
there are 20 apples and 15 oranges in a bin.if some apples are removed from the bin so that the probability of randomly drawing
3 answers
931 views
Score of Janet in Maths is 25 more than two-third of her score in English. If she scores x marks in English, what is her score
4 answers
480 views
The sum of interior angels and the sum of exterior angles of polygon are in the ratio 9:2.find the sides of regular polygon.
2 answers
646 views
in a Quadrilateral ABCD, AB=AD and CB=CD.
Prove that- (1) AC bisects angle BAD (2) AC is perpendicular bisector of BD
3 answers
749 views
When the ray of light travels from air to glass slab and strikes the surface of separation at 90 degree , then it ..........
4 answers
654 views
When the ray of light travels from air to glass slab and strikes the surface of separation at 90 degree , then it ..........
3 answers
688 views
what increasing order of dipole moment among nitrobenzene methylbenzene phenol and toluene
2 answers
589 views
Divide 54 into two parts such that one part is 2/7 find the other
2 answers
1,076 views
Suggest an
experiment to compare the conductivity of electricity by iron, copper, aluminium and zinc. Perform the experiment and
4 answers
1,237 views
write numeral for thirty seven crore thirteen thousand nine hundred forty eight
1 answer
462 views
4N force applied on a body mass 20kg then calculate work done in 3sec?
2 answers
945 views
a circular pizza is cut along four diameters into eight identical sectors. If the total perimeter if each sector is 10 inches
3 answers
866 views
For what value of 'k' the points ( -k + 1, 2k), (k, 2 - 2k) and ( - 4 - k, 6 - 2k) are
collinear.
2 answers
741 views
find the number of moles in 48 gm or carbon
1 answer
397 views
