If $mathrm{N}=frac{(sqrt{6}-sqrt{5})}{(sqrt{6}+sqrt{5})}$, then what is the value of $mathrm{N}+$

$left(frac{1}{N} ight) ?$

In $riangle mathrm{ABC}, angle mathrm{BAC}=90^{circ}$ and $mathrm{AB}=frac{1}{2} mathrm{BC}$. Then the measure of $angle A C B$ is :

If a = 23 and b = –29 then the value of 25a2+ 40ab + 16b2 is :

What is the value of $an left(frac{pi}{4}+x ight)$ ?

What is the simplified value of (3 + 1) (3² + 1) (3⁴ + 1) (3⁸ + 1) (3¹⁶ + 1) ?

Chord AB of a circle when extended meets the tangent to the circle at point P. PT is the tangent touching the circle at point T. If lengths of PT and PB are 6 cm. and 4 cm. respectively, what is the length of PA?

If 0 2  x  S and secx = cosecy, then the value of sin (x+y) is :

A student multiplied a number by $frac{4}{5}$ instead of $frac{5}{4}$. What is the percentage error in the calculation?

A vendor buys chikoos at 15 for 8 and then sells at 10 for 6. What will be the result?

The length of the chord of a circle is 8 cm and perpendicular distance between centre and the chord is 3 cm. Then the radius of the circle is equal to

Ruchir walks at 20 km./hr. and Rukma cycles at 25 km./hr. towards each other. What was the distance between them when they started if they meet after 48 minutes?

If A : B is 2 : 3, B : C is 6 : 11, then A : B : C is

What is the value of $frac{(0.5)^{3}-(0.1)^{3}}{(0.5)^{2}+0.5 imes 0.1+(0.1)^{2}} ?$

If $x-frac{1}{x}=5$, then $x^{2}+frac{1}{x^{2}}$ is :

How many positive factors of 36 are there ?

What is the equation of line which has y-intercept 2 and is inclined at 60° to the x-axis. js

The allowances of an empolyee constitute 165% of his basic pay. If he receives 11925 as gross salary, then his basic pay is (in )

Which value among $sqrt{11}+sqrt{5}, sqrt{14}+sqrt{2}, sqrt{8}$ $+sqrt{8}$ is the largest ?

The value of tan1°tan2° tan3°....... tan89° is : tan 1° tan 2° tan 3° ...... tan 89°

In the first 32 overs of a cricket match, the run rate was 7.2 runs/over. What is the required run rate in the remaining 18 overs to reach the target of 297 runs?

In the given figure which prove the selling of cars in the year of 2015-2016

If number of cars sold of model C are 22000, then what will be the difference in the number of cars sold of models A and B ?

If the number of cars sold of model D is 40500, then how many more cars of model E are sold than that of A ?

If the number of cars sold of model D is 40500, what is the ratio between the number of cars sold of models D and E ?

If the number of cars sold of model D is 72900, then what is the total number of cars sold of all the models together by the company ?

If 5% of the total number of cars sold of model E is 750, then what is the average number of cars sold of all the models ?