171. A reduction in 25% in the price of eggs will enable one to buy 4 dozen more eggs for rs 96. What is the price per dozen?

172. Ax^2+bx+c = 0 has two roots x1 and x2. If mode x1 = mode x2, then
(a) a>c (b) b>c (c) c>a (d) none

173. 1,2,1,2,2,1,2,2,2,1,2,2,2,2... Then sum of 1230 terms...?

174. 1 2 1 2 2 1 2 2 2 1 2 2 2 2 1 2 ...... Sum of the series upto 1230 terms ?

175. A dishonest dealer sells as a weight of 800gm in place of 1 kg and adds 20% impurities in sugar. What would be his profit % if he claims to be selling at cost price?

176. A borrowed rs 800@ 6% and b borrowed rs 600@ 10%.after how much time will they both have equal debts?

177. A sum of money doubles itself at compound interest in 15 yrs. In how many years it will become eight times?

178. A garden has only red,green and white flowers. 60% of the flowers have red colours,30% have green colours and 50% have white colours. If no glowers has all the three colours , what percentage of the flowers have only 1 colours?

179. 2/3=0.6666. Then find all combinations of a and b. Such that 0, 39x - 13y =1, then find out all combinations of x and y for x<1000.

180. A right triangle have sides a,b and hypotenuse h. A square inscribed in triangle having sides on a, b and touches h. Find length of side of square in terms of a ,b.?