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sanjay

Questions (114)

12. IF 1/SinA+1/CosA=1/SinB+1/CosB ,PROVE THAT: Cot{(A+B)/2}=TanA.TanB
1. 3 answers
2. 1,953 views
Angle AOP is an acute angle .circle (O, OP ) is passing from A on the circle. Line l touches at A. N is perpendicular on line l
1. 0 answers
2. 410 views
3 charges are placed in a equilateralABC of side l.a point is kept between the sideBc such that the chargeA remains.find the
1. 0 answers
2. 415 views
A wire from a square of area 324 cm2. If A wire from a semicircle then area becomes ------
1. 1 answer
2. 457 views
Angle AOP is an acute angle .circle (O, OP ) is passing from A. Line l touches at A. No is perpendicular on line l from P. If AN
1. 1 answer
2. 580 views
Line AB touches circle (p,12) at A and circle (Q, 5) at B. If PQ = 25 and A and B are either side of line PQ then AB=-
1. 1 answer
2. 298 views
A two digit number is k times the sum of the digit. By interchanging the digits, Find the number is how many times its sum of
1. 0 answers
2. 415 views
AB touches circle (P, 12) at A and circle (Q, 5) at B. If PQ= 25 and A&B are either side of PQ tthen AB= -------- please explain
1. 0 answers
2. 306 views
The measure of the side of an equilateral triangle is 6cm. Then area of circle touching all three sides of given triangle is
1. 1 answer
2. 551 views
Angle of elevation of sun from earth is called? (A) sunset (b) sun's altitude (c) sunrise (d) none
1. 0 answers
2. 431 views
In triangle ABC a=8 b=9 c=7 then what is radius (a) 2.5 (b)3.5 (c)4.5 (d) 1.5
1. 0 answers
2. 302 views
How are the angles to be constructed in distinct half plane of a line segment for division of line segment? (A) obtuse (B) acute
1. 0 answers
2. 395 views
Find two natural numbers in ratio 5:7 such that their l.c.m.is 120
1. 2 answers
2. 436 views
In a cricket, a bowler throws a ball at the height 5m. A ball bounces on the pitch at 8m away. A wicket keeper catches this ball
1. 1 answer
2. 520 views
The party of kejriwal walks from gwalior to Bhuvneshwar. They first walk straight for 150km and then turn 45 ddegree towards
1. 1 answer
2. 407 views
Find all possible pairs of two natural numbers whose sum is 77 and their g.c.f is 7
1. 1 answer
2. 418 views
Find two natural numbers in ratio 5:7 such that their lives. L C.m. is 210
1. 3 answers
2. 414 views
If six cubes of 10 cm edge are joined edged to edge then the surface area of the resulting cuboid is ------please show method
1. 1 answer
2. 426 views
In the green rectangular board of measure 20×15 ,there is a white square with side 10 units. In the square, there is a orange
1. 1 answer
2. 399 views
In equation He +Br2------>2HI why chemical rate of Br2 is taken as 1/2 . It's a reversible reaction. Please explain in detail.
1. 1 answer
2. 609 views
If the graph of f (x)=ax2+bx+c then how do we know the value of b from the graph. We will come to know the value of a & c by the
1. 1 answer
2. 590 views
If a spherical medicine with radius R is broken down into 1000 spherical small tablets then the surface area of original
1. 1 answer
2. 519 views
Find all possible pairs of two natural numbers whose sum is 77 and their g.c.d. is 7
1. 5 answers
2. 1,003 views
Find all possible pairs of two natural numbers whose sum is 77 and their g.c.d. is 7
1. 1 answer
2. 441 views
Find all possible pairs of two natural numbers whose sum is 77 and their g.c.d. is 7
1. 3 answers
2. 501 views
Find the two natural no in the ratio of 5:7 such that it's lam is 210 with method
1. 4 answers
2. 604 views
What is n+1+m for 4p orbital and what is n+l+m for 4p orbital
1. 1 answer
2. 381 views
How many circles are there whose central lines on X axis and passes through origin?
1. 1 answer
2. 355 views
If mewi=xi-25/10 and sigma fiui=20 and sigma fi=25 what is the mean?
1. 1 answer
2. 341 views
A former student of ENG8101 wishes to weigh him/herself but only has access to a scaleA with capacity limited to 400 N and a
1. 0 answers
2. 859 views
A horizontal, straight wire carrying 12 A current from east to west is in the earth's magnetic field B. At this place, B is
1. 0 answers
2. 691 views
If the circumference of a base of a hemisphere is 2 pie then it's volume is ---' cm3
1. 0 answers
2. 379 views
Metal obtained by chemical reduction is it iron or aluminium?
1. 1 answer
2. 379 views
Are your guides kind to you? l asked (questions tag) (A) are they? (B) aren't they?
1. 1 answer
2. 382 views
Mr. Ahmed age is 47 yes and sani's age is 15 years .In how many years will Ahmed 's age be double of Sani's age?
1. 1 answer
2. 378 views
If 6 cubes of 10 cm edge are joined edged to edge then the surface area of the resulting cuboid is ----
1. 1 answer
2. 418 views
I m silver and exact. I have no preconceptions. Whatever I see I swallow immediately. Just as it is, unmisted by love ordislike.
1. 2 answers
2. 501 views
Two wires if the same metal and of the same dia. And same length are connected in series 1st n then parallel, the ratio of
1. 0 answers
2. 493 views
Two wires if the same metal and of the same dia. And same length are connected in series 1st n then parallel, the ratio of
1. 0 answers
2. 467 views
Two wires if the same metal and of the same dia. And same length are connected in series 1st n then parallel, the ratio of
1. 0 answers
2. 442 views
In triangle PQR QM perpendicular to PR, RN perpendicular to PQR, H is ortocentre of triangle PQR then PNHM is -----
1. 0 answers
2. 414 views
In triangle PQR QM perpendicular to PR, RN perpendicular to PQR, H is ortocentre of triangle PQR then PNHM is -----
1. 0 answers
2. 499 views
The area of the triangle made by the line x/a + y/b = 1 with the coordinate axis is ------how ?
1. 1 answer
2. 728 views
If 8100 can be factorised in a2×b4×c2 then find a+b give answer plus method .
1. 1 answer
2. 346 views
The number 8100 can be factorised as a2×b4×c. What is the value of (a+b)? With method
1. 1 answer
2. 339 views
A metallic sphere of radius r is melted and converted in to a cone with height r . Then the radius of the base of the cone is
1. 1 answer
2. 448 views
If radius and height are equal for a cylinder,cone and hemispere are same,the ratio of their volume will be------
1. 1 answer
2. 420 views
If one of the zeroes of cubic polynomial x3 + ax2 + bx + c is - 1 then the product of the other two zeroes is -----
1. 1 answer
2. 931 views
Probability that two digit number is multiple of five and how?
1. 1 answer
2. 341 views
Resistivity dependent on length and area or not
1. 2 answers
2. 434 views
Rheostat varies what 1. Current 2. Resistance 3 . voltage
1. 1 answer
2. 346 views
60 students appear for examination. Out of which 1/15 th were failed and total percent of students who got more than 90% were
1. 1 answer
2. 536 views
In TRIANGLE ABC points P,Q,R arethe points lies inside triangle in such a way that Ap= PR, BQ=QP &QR=RC n area of triangle PQR
1. 0 answers
2. 537 views
In TRIANGLE ABC points P,Q,R arethe points lies inside triangle in such a way that Ap= PR, BQ=QP &QR=RC n area of triangle PQR
1. 1 answer
2. 510 views
In triangle ABC p,q,r such that they lie interior of triang ABC and AP=AR and all the three sides of triangle PQR are scalan if
1. 1 answer
2. 620 views
Which hormone secreted from ureter,kidneys,urethra?
1. 0 answers
2. 370 views
In which part of the alimentary canal digestion of starch began?
1. 2 answers
2. 614 views
A mass of 100 gm is attached to the end of a rubber string 49 cm long n hving sn area of cross section 20 sqmm. The string is
1. 2 answers
2. 940 views
The probability of card being an ace of heart in a pack of 52 card is----
1. 1 answer
2. 457 views
The most appropriate measure for the open ended frequency distribution is-----
1. 0 answers
2. 475 views
Four bells tolls at an interval of 8,12,15 &18 second a respectively. How many times will they toll together in one hour
1. 5 answers
2. 3,781 views
What is not present in animal cell if nucleus is absent
1. 1 answer
2. 386 views
Arrange 10 people in 5 rows in such a manner that there are 4 people in each row
1. 1 answer
2. 880 views
The cost of 100 fruits is rupees 500. Cost of 1 watermelon ,1 guava,1 banana respectively rupees 50,10 and 1 find the no.of
1. 2 answers
2. 633 views
It has some very unusual recipes. (Make it exclamatory). (A) what unusual recipese it has! (B) how unusual recipes it has!
1. 1 answer
2. 509 views
The focal length of a concave mirror, that produces four times larger real image of an object placed at 5 cm distance from the
1. 2 answers
2. 744 views
The focal length of a concave mirror, that produces four times larger real image of an object placed at 5 cm distance from the
1. 0 answers
2. 986 views
Once we touch mimosa plant is it possible That it will regain it's original position?
1. 1 answer
2. 396 views
Is it true that Synapse and Ranvier nod are same?
1. 1 answer
2. 400 views
Treatment with sodium borohydride converts aldosterone A in to an optically inactive alditol. Ruff degradation of A from B,
1. 0 answers
2. 488 views
Treatment with sodium borohydride converts aldosterone A in to an optically inactive alditol. Ruff degradation of A from B,
1. 0 answers
2. 353 views
Treatment with sodium borohydride converts aldosterone A in to an optically inactive alditol. Ruff degradation of A from B,
1. 1 answer
2. 466 views
If one of the zeroes of the cubic polynomial x3+ax2+bx+c is -1 then the product of the other two zeroes is -------(A) b -a +1
1. 2 answers
2. 1,731 views
The number of polynomial having zeroes as -2 and 5 is --------(A) 1 (B)2 (C) 3 (D) more than 3
1. 1 answer
2. 684 views
Given that√2 is the root of cubic polynomial 6x3 + 2x2-10x -4√2 find the other two roots
1. 1 answer
2. 539 views
Given that root 2 is a zero of the cubic polynomial 6x3+2x2-10x-4root2, find its other two zeroes
1. 3 answers
2. 1,841 views
Given that^2 is a zero of the cubic polynomial 6x3+2x2-10x-4^2, find its other two zeroes
1. 1 answer
2. 660 views
For which values of a and b , are the zeroes of q(x)=x3+ 2x2+a also the zeroes of the polynomial p (x)= x5 -x4-4x3+3x2+3x+b?
1. 1 answer
2. 834 views
When 6 boys were admitted and 6 girls left the %of boys increased from 60% to 75% . Find the original no. Of boys and girls in
1. 1 answer
2. 861 views
Write subset of { 1,2,3,4 }
1. 1 answer
2. 341 views
In which of the following statement the word light year is used correctly? (A) Ceres dwarf galaxy is 2.46 million lightyear away
1. 1 answer
2. 504 views
A series of steps lead to a temple.The number of step is 30. The height of each step is 20 cm.Then find the height of the temple
1. 1 answer
2. 476 views
How many sex chromosomes are found in the reproductive cells of human being?
1. 3 answers
2. 723 views
Through which are the chromosomes, transmitted according to the path of transmission of factors from the parental generation to
1. 1 answer
2. 457 views
Through which are the chromosomes, transmitted according to the path of transmission of factors from the parental generation to
1. 1 answer
2. 528 views
Through which are the chromosomes, transmitted according to the path of transmission of factors from the parental generation to
1. 0 answers
2. 475 views
X having factor 2 and 30.30 having factor 3 and y and y is having factor 5 and z find x+y+z=----
1. 1 answer
2. 319 views
Radius of a circle inscribed in a regular hexagon is 24 c.m. then find the length of the side of hexagon
1. 1 answer
2. 833 views
Radius of a circle inscribed in a regular hexagon is 24 c.m. then find the length of hexagon
1. 0 answers
2. 506 views
If (k,0), (0d) and (1,1) are collinear then find 1/k + 1/d = ---------
1. 0 answers
2. 406 views
If six cube are arranged edge to edge having radius 10 then it's surface area is ------
1. 0 answers
2. 366 views
If (k,1) , (0,d) , (1,1) are collinear then find 1/k + 1/d =---
1. 1 answer
2. 441 views
If one root of ax2+bx+c =2 is 3 times the other root then find b2/ac
1. 1 answer
2. 329 views
Which product we will get on reduction of ethanol?
1. 1 answer
2. 370 views
Which of the following is true? ( a ) when plant is kept in sunlight ,photosynthesis and cellular respiration occurs. ( b ) when
1. 1 answer
2. 1,098 views
Is there any stars between the Earth and the Moon?
1. 1 answer
2. 415 views
Which among the following is obtained by reduction of ethanol (a) ethanol (b) co2& O2 (c) methanol (d) all
1. 1 answer
2. 410 views
An inverted image of a candle is formed when kept in front of a convex mirror .If half lens is covered by an op equestrian
1. 1 answer
2. 615 views
If length of major arc is 88 and radius is 7 then find area of major segment
1. 1 answer
2. 527 views
If length of major arc is 88 then find area of major segment
1. 1 answer
2. 444 views

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