In how many different ways can the letters of the word ‘DESIGN’ be arranged so that the vowels are at the two ends? 

The following line graph gives the percentage of the number of candidates who qualified an examination out of the total number of candidates who appeared for the examination over a period of seven years from 1994 to 2000.

In which pair of years was the number of candidates qualified, the same?

A hemispherical cup of radius 4 cm is filled to the brim with coffee. The coffee is then poured into a vertical cone of radius 8 cm and height 16 cm. The percentage of the volume of the cone that remains empty is:

Find the number of Prime Factor of $${(4^{22}+{4^{22}}+{4^{22}}}+{4^{22})}{(3^{22}+3^{22}+{3^{22}})}$$.

Divide Rs.198 in the ratio 2:3:5:8 The rupees in the respective ratios are given by: 

A, B and C entered into a partnership with investment in the ratio 2 : 3 : 4. After one year A doubled his investment and C withdrew half of his amount. After one more year, B doubled his investment. At the end of three years, they earned a profit of Rs.90000. find the share of A in the profit.

From two points on the ground lying on a straight line through the foot of a pillar, the two angles of elevation of the top of the pillar are complementary to each other. If the distance of the two points from the foot of the pillar are 9 meters and 16 meters and the two points lie on the same side of the pillar. Then the height of the pillar is

An article is listed at Rs 2375 A man purchases it at two successive discounts of 50 % and 25 % spends Rs 165 on repairing of article. If he sells the articles at a profit a of 62.5 % then what is the selling price (in Rs) of the article?