An article is listed at ₹ 7,600 and the discount offered unit is 10%. What additional discount must be given to bring the net selling price to ₹5,814?

(49)¹⁵ – 1 is exactly divisible by: 

The ratio of the area of a square to that of the square drawn on its diagonal is

Directions: Given bar graph shows the number of plain books and lined books (in hundreds) available at three different stores and the table shows the percentage of total books (Plain + lined) that was sold by different stores.

The number of plain books sold by store A and store B was 30% and 40% respectively then find the number of lined books sold by store A and store B together is what percent of total books available at store A? 

Directions : The expenses of a country for a particular year is given in Pie–Chart. Read the Pie– Chart and answer the questions.

If the total amount spent by the Government during the year was ₹ 1,00,000 crores, then the amount spent on Health and Education together was

$$4a-{4\over a}+3=0$$ then the value of :   $$ a^3-{1\over a^3}+3=?$$

$$\left({?-0.5\over 0.2} \right)={120\over 2}$$

Chords AB and CD of a circle intersect externally at P. If CD = 11.6 cm, PD = 6.4 cm and PB = 7.2 cm, then AB (in cm) is equal to: