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Subject: Maths, asked on 13/1/21

Three bulbs red, green and yellow flash at intervals 80 seconds, 90 seconds and 110
seconds. All three flash together at 8:00 am. When will these three bulbs flash together
again?

Subject: Maths, asked on 19/7/14

If the LCM of 12 and 42 is 10m +4, then the value of m is

Subject: Maths, asked on 31/1/21

How many solutions do the pair of equations x = 0 and x = 5 has?

Subject: Maths, asked on 27/12/19

Who said Cavour, Mazzini, and Garibaldi: three her brain, her soul, her sword?
a. Victor Emmannual
b. George Meredith
c. Louis XVIII
d. Guizot

Subject: Maths, asked on 14/5/15

the zeroes of quadratic polynomial x^2 + 1750x + 175000 are.....
a) both negative b) one positive one negative
c) both positive d) both equal
explain the ans with solution plzzzzzzzzzzz

Subject: Maths, asked on 21/12/19

Choose the correct nationality of the artist Frederic Sorrieu who visualised in his painting a society made up of Democratic and Social Republic.
(a) German
(b) Swiss
(c) French
(d) American

Subject: Maths, asked on 31/3/21

Rohan is very intelligent in maths. He always try torelate the concept of maths in daily life. One day he is

walking away from the base of a lamp post at a speed of 1 m/s. Lamp is 4.5 m above the ground.


(i) If after 2 second, length of shadow is 1 meter,

what is the height of Rohan ?

(a) 145 cm (b) 120 cm

(c) 150 cm (d) 175 cm

(ii) What is the minimum time after which his shadow

will become larger than his original height?

(a) 1 sec (b) 2 sec

(c) 3 sec (d) 4 sec

(iii) What is the distance of Rohan from pole at this

point ?

(a) 2 m (b) 1 m

(c) 3 m (d) 4 m

(iv) What will be the length of his shadow after 4

seconds?

(a) 2 m (b) 1 m

(c) 3 m (d) 4 m

(v) Which similarity criterion is used in solving the

above problem

(a) SAS similarity criterion

(b) AA similarity criterion

(c) SSS similarity criterion

(d) none of these

Subject: Maths, asked on 4/9/20

Ravi claims that the polynomial ??(??) = ??x^a+ x^2b+ has 4?? zeroes. For Ravi?s claim to be correct,
which
of these must be true?
Option 1: ?? = 2?? or ?? = 4??
Option 2: ?? = 2 or ?? = 4??
Option 3: ?? = 2??
Option 4: ?? = 4

Subject: Maths, asked on 8/1/15

If P(A) denotes probability of an event A, then :

(a) P(A)>1 (b) 0<P(A)<1

(c) 0<P(A)≤1 (D) 0≤P(A)≤1

Subject: Maths, asked on 24/12/19

Pick out the correct definition to define the term ?Plebiscite?.
(a) Plebiscite is a direct vote by which only the female members of a region are asked to accept or reject a proposal.
(b) Plebiscite is a direct vote by the female members of a matriarchal system to accept or reject a proposal.
(c) Plebiscite is a direct vote by only a chosen few from the total population of a parti-cular region to accept or reject a proposal.
(d) Plebiscite is a direct vote by which all the citizens of a region are asked to accept or reject a proposal.

Subject: Maths, asked on 6/6/15

the zeroes of quadratic polynomial x^2 +17x + 72 are
both positive both negative

Subject: Maths, asked on 27/12/19

Vienna Congress was convened in 1815 for what purpose?
a. To declare completion of German Unification.
b. To restore conservative regime in Europe.
c. To declare war against France.
d. To start the process of Italian unification.

Subject: Maths, asked on 16/9/19

a square and a rhombus are always:

(a)similar
(b)congruent
(c)similar but not congruent 
(d)neither similar nor congruent 

pls tell correct option

Subject: Maths, asked on 10/6/12

Given a2 + b2 = 1, c2 + d2 = 1, p2 + q2 = 1, where all numbers are real , then

  • ab + cd + pq > and equal to 1
  • ab + cd + pq < 3
  • ab + cd + pq> and equal to 3
  • ab + cd + pq<and equal to 3/2

Subject: Maths, asked 3 weeks ago

If one zero of the quadratic polynomial (k - 1)x^2 + Kx + 1 is -4 then find the value of k.

1234
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