A circular wire of radius 42 cm is bent in the form of a rectangle whose sides are in the ratio of 6 : 5 . The smaller side of the rectangle is
 ( Take $$ π = 22\over 7$$ ) : 

The smallest number, which should be added to 756896 so as to obtain a multiple of 11, is :

A telegraph post is bent at a point above the ground. Its top just touches the ground at a distance of 8√3 m from its feet and makes an angle of 30 ° with the horizontal. The height (in metre) of the post is 

Simple interest accrued on an amount in 8 yr @ 12 % per annum is Rs 5520 What is the principal amount ?

Direction : What value should come in the place of question mark (?) in the following questions?

9.5 % of 720 + 1.5 % of 320 = ? 

The number of students in three classes are in the ratio 2:3:5. If the number of students in each class is increased by 20 the ratio become 4: 5: 7. The total number of students before the increase was

Direction : What value should come in the place of question mark (?) in the following questions?

3.6 + 36.6 +3.66+0.36+3.0=?

In the given figure, PQRS is square whose side is 8 cm. PQS and QPR are two quadrants. A circle is placed touching both the quadrants and the square as shown in the figure. What is the area ( in cm² ) of the circle ?