The circumference of the base of a right circular cone is 44 cm and its height is 24 cm. The curved surface area (in cm²) of the cone is: (Taken π=22/7)

Directions : A bar graph showing the heights of six mountain peaks is given below. Study the bar graph and answer the questions. 

Which peak is the second highest ? 

Directions : In an Institution there are 800 students. Students use different modes of transport for going to the institution and return. The given pie diagram represents the requisite data. Study the diagram carefully and answer the questions.

If the total amount spent by the Government during the year was ₹ 3,00,000 crores, the amount spent on state development exceeds that on sports by 

ABCD is a cyclic quadrilateral. AB and DC when produced meet at P, If PA 8 cm, PB = 6, PC = 4 cm, then the length (in cm) of PD is

The speed of a train is 108 km/h. The distance covered by the train in 11 seconds will be:

? – 2³ =(7² – 12 ) + ( 10² -17)

Directions: In each of these questions, two equations (i) and (ii) are given, you have to solve both the equations and give answer accordingly.

(i) 2x² + 9x + 9 = 0
 (ii) 15y² + 16y + 4 = 0

The LCM of two numbers is 1920 and their HCF is 16. If one of the numbers is 128, find the other number.