Question Text
Question 1 :
If compound interest for second year on a certain sum at 10% p.a. is Rs. 132, the principal is,
Question 2 :
If a person walks at 14 km/hr instead of 10 km/hr, he would have walked 20 km more. The actual distance travelled by him is
Question 3 :
A car complete a journey in 10 hours. He travels first half of the journey at the rate of 21 km/hr and second half at the rate of 24 km/hr. The total journey in km is
Question 4 :
The smallest number by which 3888 must be divided so that the resulting number is a perfect square is
Question 5 :
The smallest number by which 136 must be multiplied so that it becomes a perfect square is
Question 6 :
A gardener arranges plants in rows to form a square. He finds that in doing so 15 plants are left out. If the total number of plants are 3984, the number of plants in each row are,
Question 7 :
If the radius of a circle is increased by 1 cm, its area increases by {tex}22\,\,c{{m}^{2}}{/tex} then original radius of the circle is
Question 8 :
If the length and the breadth of a rectangle are increased by x% and y% respectively, then the area of rectangle will be increased by
Question 9 :
A measuring jar of internal diameter 10 cm is partially filled with water. Four equal spherical balls of diameter 2 cm, each are dropped in it and they sink down in the water completely. What will be the increase in the level of water in the jar?
Question 10 :
The diameter of a garden roller is 1.4 m and it is 2 m long. How much area will it cover in 5 revolutions?