Recent questions tagged sat

The perimeter of the $\Delta ABC$ in the adjacent figure is __________

asked Dec 5, 2018 by priyanka.c

1 answer

If the perimeter of a circle is equal to that of a square, then the ratio of their area is

asked Dec 4, 2018 by priyanka.c

1 answer

Area of the largest circle that can be inscribed in a semicircle of radius $'r'$ units is

asked Dec 4, 2018 by priyanka.c

1 answer

If the difference between the circumference and radius of a circle is $37\;m$, then the circumference of the circle is given by

asked Dec 4, 2018 by priyanka.c

1 answer

If the area of a circle is equal to the area of a square, then the ratio of their perimeters is

asked Dec 4, 2018 by priyanka.c

1 answer

Jerry bought a pizza of diameter of 12". A sector of the pizza was cut which had a surface area of $4.5 \pi$. The angle of the cut sector was

asked Dec 4, 2018 by priyanka.c

1 answer

Two concentric circles have circumference $4\pi$ and $10 \pi$. What is the difference of the radii of two circles ?

asked Dec 4, 2018 by priyanka.c

0 answers

Two concentric circles have circumference $4\pi$ and $10 \pi$. What is the difference of the radii of two circles ?

asked Dec 4, 2018 by priyanka.c

1 answer

A car tyre has a radius of 18 inches. It makes 200 revolutions. How far has the car travelled in feet ?

asked Dec 4, 2018 by priyanka.c

1 answer

The coordinates of the center of a circle is $(3,5)$. A point on the circle's circumference is $(8,10)$. What is the circumference of the circle ?

asked Dec 4, 2018 by priyanka.c

1 answer

Jane wants to fence garden which is in the shape as shown below. What would be the the length of the fencing material needed to fence ? The length of the rectangular side is $15 \;ft$ and width $7\; ft$. <br>

asked Dec 4, 2018 by priyanka.c

1 answer

If the diameter of a circle increases by $50\%$ , by what percentage the area of the circle increase ?

asked Dec 4, 2018 by priyanka.c

1 answer

If the minute hand of a clock moves $30^{\circ}$ , how many minutes of time have passed ?

asked Dec 4, 2018 by priyanka.c

1 answer

A square has an area of $49 \;in^2$. If the side of the square is the same as the diameter of the circle, what is the area of the circle ?

asked Dec 3, 2018 by priyanka.c

1 answer

If the radius of a circle is doubled and the new area is $154 \pi$, then what was the diameter of the original circle ?

asked Dec 3, 2018 by priyanka.c

1 answer

In the diagram given below, the circle with centre $A$ has an area of $154 \; sq. unit$. What is the area with centre $B$? <br>

asked Dec 3, 2018 by priyanka.c

1 answer

Calculate the pH of the solution when $0.1\; M\; CH_3 COOH (50 ml)$ and $0.1\; M\; NaOH (50 ml)$ are mixed, $[Ka (CH_3COOH)=10^{-5}]$

asked Nov 30, 2018 by meena.clay6

0 answers

$P^H$ of $0.1\;M$ Solution of weak acid is 3. The value of ionisation constant $Ka$ of acid is

asked Nov 30, 2018 by meena.clay6

1 answer

Three reaction involving $H_2PO_4$ are given below $(i)H_3PO_4+H_2O \rightleftharpoons H_3O^{+}+H_2PO_4^{-} \\ (ii)H_2PO_4+H_2O \rightleftharpoons HPO_{4}^{-2}+H_3^{+}O \\ (iii)H_2PO_4+OH \rightleftharpoons H_3PO_4+O^{2-}$ In which of the above does $H_2PO_4$ act as an acid

asked Nov 30, 2018 by meena.clay6

1 answer

What can affect the magnitude of equilibrium constant Kp of a reversible gaseous reaction

asked Nov 26, 2018 by meena.clay6

1 answer

The relation between $K_c$ and $K_p$ is

asked Nov 26, 2018 by meena.clay6

1 answer

A basic Buffer solution can be prepared by mixing

asked Nov 26, 2018 by meena.clay6

1 answer

In an exothermic reversible reaction increase in temp shifts the equilibrium to

asked Nov 26, 2018 by meena.clay6

1 answer

A large value of Kc means that at equilibrium

asked Nov 26, 2018 by meena.clay6

1 answer

A reaction is reversible because

asked Nov 26, 2018 by meena.clay6

1 answer

Which of the following weakest ?

asked Nov 26, 2018 by meena.clay6

1 answer

$EDTA$ is a/an

asked Nov 26, 2018 by meena.clay6

1 answer

With increase in temperature , ionic product of water .

asked Nov 26, 2018 by meena.clay6

1 answer

One of the following is a bronsted acid hot not a bronsted base

asked Nov 26, 2018 by meena.clay6

1 answer

Conjugate base of hydrazonic acid is :

asked Nov 23, 2018 by meena.clay6

1 answer

Which of the following is a base according to lowry- bronsted concept?

asked Nov 23, 2018 by meena.clay6

1 answer

The solubility product of $AgCl$ is $4 \times 10^{-18}$ at $298\;k$ . The solublity of AgCl in $0.04\;MCaCl_2$ will be

asked Nov 23, 2018 by meena.clay6

1 answer

A certain buffer solution contains equal concentration of $X^{-}$ and $HX.K_4$ for $HX$ is $10^{-4}$. The $p^{H}$ of buffer is

asked Nov 22, 2018 by meena.clay6

1 answer

$P^{H}$ of $10^{-3}\;M$ solution of HCL in water is

asked Nov 22, 2018 by meena.clay6

1 answer

Equal volumes of two solution of $p^H3$ and 4 are mixed The $p^{H}$ of the resulting solution will be

asked Nov 22, 2018 by meena.clay6

1 answer

The radius of circle $X$ is three times the radius of circle $Y$, what will the ratio of area of circle $X$ to that of circle $Y$ ?

asked Nov 20, 2018 by priyanka.c

1 answer

The diameter of a circle is increased by 100. If its original area was $25 \pi$, what is its new area ?

asked Nov 20, 2018 by priyanka.c

1 answer

A circle has a circumference of $10 \pi$. Find its area.

asked Nov 20, 2018 by priyanka.c

1 answer

In the diagram below, if the circle is of radius 3 inches and $AP = PB = 4$, then the area of the shaded region is

asked Nov 20, 2018 by priyanka.c

1 answer

Which of following statements about catalysts is not true?

asked Nov 20, 2018 by meena.clay6

0 answers

Process by which ammonia is produced by reaction of nitrogen with hydrogen at 200 atm pressure and in presence of a catalyst is called

asked Nov 19, 2018 by meena.clay6

1 answer

Reactions in which reactants react to form products and simultaneously products reverse back in to reactants are called

asked Nov 19, 2018 by meena.clay6

1 answer

Rate at which a substance reacts is directly proportional to its

asked Nov 19, 2018 by meena.clay6

1 answer

Which of following is used as catalyst in contact process?

asked Nov 19, 2018 by meena.clay6

1 answer

State at which forward and reverse reactions occur at same rate is

asked Nov 19, 2018 by meena.clay6

1 answer

Equilibrium constant can be used to determine equilibrium concentration of equilibrium mixture knowing the

asked Nov 19, 2018 by meena.clay6

1 answer

In reverse reaction $SO_3$ decomposes in to

asked Nov 19, 2018 by meena.clay6

1 answer

Due to high concentration of reactants, rate of forward reaction is

asked Nov 16, 2018 by meena.clay6

1 answer

Rate at which reaction proceeds is directly proportional to

asked Nov 16, 2018 by meena.clay6

1 answer

For the following reaction in gaseous phase $CO+\large\frac{1}{2}$$O_2 \rightleftharpoons CO_2$ and $\large\frac{K_c}{K_p}$ is

asked Nov 16, 2018 by meena.clay6

1 answer

Ask Questions, Get Answers